Faculty Profiles - YAJIMA Setsuko

写真a

YAJIMA Setsuko

Name of department

Faculty of Systems Engineering, Chemistry

Job title

Professor

Mail Address

External link

Education

The University of Tokyo 理学系研究科化学
The University of Tokyo Graduate School, Division of Science Chemistry
The University of Tokyo Faculty of Science 化学
The University of Tokyo Faculty of Science Chemistry

Degree

Master of Science
Doctor of Science

Academic & Professional Experience

2014.10

-

Now

Wakayama University Faculty of Systems Engineering
2005.04

-

2014.09

Wakayama University Faculty of Systems Engineering
1998

-

2005

Wakayama Universitry, Research Assistant
1998

-

2005

Wakayama University Faculty of Systems Engineering
1996

-

1998

Tokyo University of Science
1996

-

1998

Science University of Tokyo, Research Assistant
1995

-

1996

Chiba University Graduate School of Science and Technology
1995

-

1996

Chiba University, Research Assistant

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Association Memberships

日本分析化学会
日本化学会
日本希士類学会
高分子学会

Research Areas

Nanotechnology/Materials / Analytical chemistry

Seeds

Classes (including Experimental Classes, Seminars, Graduation Thesis Guidance, Graduation Research, and Topical Research)

2022 Introduction to Majors 2 Specialized Subjects
2022 Analytical Chemistry Ⅱ Specialized Subjects
2022 Analytial Chemistry Ⅰ Specialized Subjects
2022 Graduation Research Specialized Subjects
2022 Graduation Research Specialized Subjects
2022 Experiments in Material Science andChemistry C Specialized Subjects
2022 Seminar in Material Science and Chemistry ⅡA Specialized Subjects
2022 Seminar in Material Science and Chemistry ⅠA Specialized Subjects
2022 Scientific and Technical English B Specialized Subjects
2022 Advanced Lectures in Chemistry Specialized Subjects
2022 Experiments in Chemistry II Specialized Subjects
2022 Experiments in Chemistry I Specialized Subjects
2022 Experiments in Applied Chemistry Specialized Subjects
2022 Nanotechnologies Ⅱ Specialized Subjects
2021 Graduation Research Specialized Subjects
2021 Experiments in Material Science andChemistry C Specialized Subjects
2021 Analytical Chemistry Ⅱ Specialized Subjects
2021 Advanced Lectures in Chemistry Specialized Subjects
2021 Experiments in Chemistry II Specialized Subjects
2021 Experiments in Applied Chemistry Specialized Subjects
2021 Analytial Chemistry Ⅰ Specialized Subjects
2021 Graduation Research Specialized Subjects
2021 Graduation Research Specialized Subjects
2021 Seminar in Material Science and Chemistry ⅡA Specialized Subjects
2021 Scientific and Technical English B Specialized Subjects
2021 Experiments in Chemistry I Specialized Subjects
2021 Introductory Seminar in Systems Engineering Specialized Subjects
2021 Seminar in Material Science and Chemistry ⅠA Specialized Subjects
2021 Nanotechnologies Ⅱ Specialized Subjects
2020 Graduation Research Specialized Subjects
2020 Graduation Research Specialized Subjects
2020 Experiments in Chemistry II Specialized Subjects
2020 Experiments in Chemistry I Specialized Subjects
2020 Scientific and Technical English B Specialized Subjects
2020 Experiments in Applied Chemistry Specialized Subjects
2020 Advanced Lectures in Chemistry Specialized Subjects
2020 Seminar in Material Science and Chemistry ⅡA Specialized Subjects
2020 Seminar in Material Science and Chemistry ⅠA Specialized Subjects
2020 Nanotechnologies Ⅱ Specialized Subjects
2020 Analytial Chemistry Ⅰ Specialized Subjects
2020 Analytical Chemistry Ⅱ Specialized Subjects
2020 Experiments in Material Science andChemistry C Specialized Subjects
2019 Graduation Research Specialized Subjects
2019 Introduction to Majors 2 Specialized Subjects
2019 Scientific and Technical English B Specialized Subjects
2019 Experiments in Applied Chemistry Specialized Subjects
2019 Advanced Lectures in Chemistry Specialized Subjects
2019 Experiments in Basic Chemistry Specialized Subjects
2019 Introductory Seminar in Systems Engineering Specialized Subjects
2019 Seminar in Material Science and Chemistry ⅡA Specialized Subjects
2019 Seminar in Material Science and Chemistry ⅠA Specialized Subjects
2019 Nanotechnologies Ⅱ Specialized Subjects
2019 Nanotechnologies Ⅰ Specialized Subjects
2019 Analytial Chemistry Ⅰ Specialized Subjects
2019 Analytical Chemistry Ⅱ Specialized Subjects
2019 Experiments in Material Science andChemistry C Specialized Subjects
2019 Experiments in Material Science andChemistry B Specialized Subjects
2018 Introduction to Majors 2 Specialized Subjects
2018 Analytical Chemistry Ⅱ Specialized Subjects
2018 Graduation Research Specialized Subjects
2018 Scientific and Technical English B Specialized Subjects
2018 Experiments in Applied Chemistry Specialized Subjects
2018 Advanced Lectures in Chemistry Specialized Subjects
2018 Experiments in Basic Chemistry Specialized Subjects
2018 Introduction to Majors 2 Specialized Subjects
2018 Seminar in Material Science and Chemistry ⅡA Specialized Subjects
2018 Seminar in Material Science and Chemistry ⅠA Specialized Subjects
2018 Nanotechnologies Ⅱ Specialized Subjects
2018 Analytial Chemistry Ⅰ Specialized Subjects
2018 Experiments in Material Science andChemistry C Specialized Subjects
2017 Experiments in Basic Chemistry Specialized Subjects
2017 Introduction to Majors 2 Specialized Subjects
2017 Seminar in Material Science and Chemistry ⅡA Specialized Subjects
2017 Seminar in Material Science and Chemistry ⅠA Specialized Subjects
2017 Nanotechnologies Ⅱ Specialized Subjects
2017 Nanotechnologies Ⅰ Specialized Subjects
2017 Analytial Chemistry Ⅰ Specialized Subjects
2017 Analytical Chemistry Ⅱ Specialized Subjects
2017 Experiments in Material Science andChemistry C Specialized Subjects
2017 Experiments in Material Science andChemistry B Specialized Subjects
2016 Introduction to Majors 2 Specialized Subjects
2016 Introduction to Majors 2 Specialized Subjects
2016 Seminar in Material Science and Chemistry ⅡA Specialized Subjects
2016 Seminar in Material Science and Chemistry ⅠA Specialized Subjects
2016 Experiments in Material Science andChemistry C Specialized Subjects
2016 Experiments in Material Science andChemistry B Specialized Subjects
2016 Experiments in Basic Chemistry Specialized Subjects
2016 Introductory Seminar in Systems Engineering Specialized Subjects
2016 Nanotechnologies Ⅱ Specialized Subjects
2016 Nanotechnologies Ⅰ Specialized Subjects
2016 Analytial Chemistry Ⅰ Specialized Subjects
2016 Analytical Chemistry Ⅱ Specialized Subjects
2015 Graduation Research Specialized Subjects
2015 Experiments in Material Science andChemistry C Specialized Subjects
2015 Seminar in Material Science and Chemistry ⅠA Specialized Subjects
2015 Applied Analytical Chemistry Specialized Subjects
2015 Introduction to Majors 2 Specialized Subjects
2015 Introduction to Majors 2 Specialized Subjects
2015 Nanotechnologies Ⅱ Specialized Subjects
2015 Experiments in Material Science andChemistry B Specialized Subjects
2015 Seminar in Material Science and Chemistry ⅡA Specialized Subjects
2015 Advanced Material Science andChemistry Ⅱ Specialized Subjects
2015 Basic Analytical Chemistry Specialized Subjects
2015 Basic Analytical Chemistry Specialized Subjects
2015 Practices in Chemistry Specialized Subjects
2015 Nanotechnologies Ⅰ Specialized Subjects
2015 Voluntary Study on Systems Engineering Ⅵ Specialized Subjects
2014 Seminar in Material Science and Chemistry ⅡA Specialized Subjects
2014 Seminar in Material Science and Chemistry ⅠA Specialized Subjects
2014 Basic Analytical Chemistry Specialized Subjects
2014 Basic Analytical Chemistry Specialized Subjects
2014 Practices in Chemistry Specialized Subjects
2014 Advanced Material Science andChemistry Ⅱ Specialized Subjects
2014 Advanced Material Science andChemistry Ⅰ Specialized Subjects
2014 Nanotechnologies Ⅱ Specialized Subjects
2014 Nanotechnologies Ⅰ Specialized Subjects
2014 Experiments in Material Science andChemistry C Specialized Subjects
2014 Experiments in Material Science andChemistry B Specialized Subjects
2014 Experiments in Chemistry Specialized Subjects
2014 Information Processing Ⅱ Specialized Subjects
2014 Introductory Seminar Liberal Arts and Sciences Subjects
2013 Seminar in Material Science and Chemistry ⅡA Specialized Subjects
2013 Seminar in Material Science and Chemistry ⅠA Specialized Subjects
2013 Basic Analytical Chemistry Specialized Subjects
2013 Basic Analytical Chemistry Specialized Subjects
2013 Basic Analytical Chemistry Specialized Subjects
2013 Basic Analytical Chemistry Specialized Subjects
2013 Practices in Chemistry Specialized Subjects
2013 Advanced Material Science andChemistry Ⅱ Specialized Subjects
2013 Advanced Material Science andChemistry Ⅰ Specialized Subjects
2013 Nanotechnologies Ⅱ Specialized Subjects
2013 Nanotechnologies Ⅰ Specialized Subjects
2013 Experiments in Material Science andChemistry C Specialized Subjects
2013 Experiments in Material Science andChemistry B Specialized Subjects
2013 Experiments in Chemistry Specialized Subjects
2013 Information Processing Ⅱ Specialized Subjects
2013 Chemistry in Environments Liberal Arts and Sciences Subjects
2012 Experiments in Material Science andChemistry C Specialized Subjects
2012 Advanced Material Science andChemistry Ⅰ Specialized Subjects
2012 Chemistry in Environments Liberal Arts and Sciences Subjects
2012 Introductory Seminar Liberal Arts and Sciences Subjects
2012 Experiments in Chemistry Specialized Subjects
2012 Nanotechnologies Ⅱ Specialized Subjects
2012 Experiments in Material Science andChemistry B Specialized Subjects
2012 Advanced Material Science andChemistry Ⅱ Specialized Subjects
2012 Information Processing Ⅱ Specialized Subjects
2012 Basic Analytical Chemistry Specialized Subjects
2012 Basic Analytical Chemistry Specialized Subjects
2012 Practices in Chemistry Specialized Subjects
2012 Nanotechnologies Ⅰ Specialized Subjects
2011 Experiments in Chemistry Specialized Subjects
2011 Practices in Chemistry Specialized Subjects
2011 Advanced Material Science andChemistry Ⅱ Specialized Subjects
2011 Advanced Material Science andChemistry Ⅰ Specialized Subjects
2011 Nanotechnologies Ⅱ Specialized Subjects
2011 Nanotechnologies Ⅰ Specialized Subjects
2011 Information Processing Ⅱ Specialized Subjects
2011 Basic Analytical Chemistry Specialized Subjects
2011 Basic Analytical Chemistry Specialized Subjects
2011 Introduction to Material Science andChemistry Specialized Subjects
2011 Chemistry in Environments Liberal Arts and Sciences Subjects
2011 Experiments in Material Science andChemistry C Specialized Subjects
2011 Experiments in Material Science andChemistry B Specialized Subjects
2010 NA Specialized Subjects
2010 NA Specialized Subjects
2010 NA Specialized Subjects
2010 NA Specialized Subjects
2010 NA Specialized Subjects
2010 NA Specialized Subjects
2010 Graduation Research Specialized Subjects
2010 Chemistry in Environments Liberal Arts and Sciences Subjects
2010 Introductory Seminar Liberal Arts and Sciences Subjects
2010 Practices in Chemistry Specialized Subjects
2010 NA Specialized Subjects
2010 Basic Analytical Chemistry Specialized Subjects
2010 Basic Analytical Chemistry Specialized Subjects
2010 Experiments in Chemistry Specialized Subjects
2009 NA Specialized Subjects
2009 NA Specialized Subjects
2009 NA Specialized Subjects
2009 NA Specialized Subjects
2009 NA Specialized Subjects
2009 NA Specialized Subjects
2009 NA Specialized Subjects
2009 NA Specialized Subjects
2009 NA Specialized Subjects
2009 Experiments in Chemistry Specialized Subjects
2009 Graduation Research Specialized Subjects
2009 Chemistry in Environments Liberal Arts and Sciences Subjects
2008 NA Specialized Subjects
2008 NA Specialized Subjects
2008 NA Specialized Subjects
2008 NA Specialized Subjects
2008 NA Specialized Subjects
2008 NA Specialized Subjects
2008 NA Specialized Subjects
2008 NA Specialized Subjects
2008 NA Specialized Subjects
2008 Experiments in Chemistry Specialized Subjects
2008 Graduation Research Specialized Subjects
2008 Chemistry in Environments Liberal Arts and Sciences Subjects
2008 Introductory Seminar Liberal Arts and Sciences Subjects
2007 NA Specialized Subjects
2007 NA Specialized Subjects
2007 NA Specialized Subjects
2007 NA Specialized Subjects
2007 NA Specialized Subjects
2007 NA Specialized Subjects
2007 NA Specialized Subjects
2007 NA Specialized Subjects
2007 NA Specialized Subjects
2007 Experiments in Chemistry Specialized Subjects
2007 Introduction to Material Science andChemistry Specialized Subjects
2007 Graduation Research Specialized Subjects
2007 Chemistry in Environments Liberal Arts and Sciences Subjects

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Independent study

2015 ソフトコンタクトレンズの使用期限について　--付着物による汚染からの考察--

Classes

2022 Systems Engineering Global Seminar Ⅱ Doctoral Course
2022 Systems Engineering Global Seminar Ⅰ Doctoral Course
2022 Systems Engineering Advanced Research Doctoral Course
2022 Systems Engineering Advanced Seminar Ⅱ Doctoral Course
2022 Systems Engineering Advanced Seminar Ⅰ Doctoral Course
2022 Systems Engineering Project SeminarⅡB Master's Course
2022 Systems Engineering Project SeminarⅡA Master's Course
2022 Systems Engineering Project SeminarⅠB Master's Course
2022 Systems Engineering Project SeminarⅠA Master's Course
2022 Molecular Recognition Chemistry Master's Course
2022 Systems Engineering SeminarⅡB Master's Course
2022 Systems Engineering SeminarⅡA Master's Course
2022 Systems Engineering SeminarⅠB Master's Course
2022 Systems Engineering SeminarⅠA Master's Course
2021 Systems Engineering Global Seminar Ⅱ Doctoral Course
2021 Systems Engineering Global Seminar Ⅰ Doctoral Course
2021 Systems Engineering Advanced Research Doctoral Course
2021 Systems Engineering Advanced Seminar Ⅱ Doctoral Course
2021 Systems Engineering Advanced Seminar Ⅰ Doctoral Course
2021 Systems Engineering Project SeminarⅡB Master's Course
2021 Systems Engineering Project SeminarⅡA Master's Course
2021 Systems Engineering Project SeminarⅠB Master's Course
2021 Systems Engineering Project SeminarⅠA Master's Course
2021 Molecular Recognition Chemistry Master's Course
2021 Systems Engineering SeminarⅡB Master's Course
2021 Systems Engineering SeminarⅡA Master's Course
2021 Systems Engineering SeminarⅠB Master's Course
2021 Systems Engineering SeminarⅠA Master's Course
2020 Systems Engineering Global Seminar Ⅱ Doctoral Course
2020 Systems Engineering Global Seminar Ⅰ Doctoral Course
2020 Systems Engineering Advanced Research Doctoral Course
2020 Systems Engineering Advanced Seminar Ⅱ Doctoral Course
2020 Systems Engineering Advanced Seminar Ⅰ Doctoral Course
2020 Systems Engineering Project SeminarⅡB Master's Course
2020 Systems Engineering Project SeminarⅡA Master's Course
2020 Systems Engineering Project SeminarⅠB Master's Course
2020 Systems Engineering Project SeminarⅠA Master's Course
2020 Molecular Recognition Chemistry Master's Course
2020 Systems Engineering SeminarⅡB Master's Course
2020 Systems Engineering SeminarⅡA Master's Course
2020 Systems Engineering SeminarⅠB Master's Course
2020 Systems Engineering SeminarⅠA Master's Course
2019 Systems Engineering Project SeminarⅡA Master's Course
2019 Molecular Recognition Chemistry Master's Course
2019 Systems Engineering Advanced Seminar Ⅱ Doctoral Course
2019 Systems Engineering Advanced Seminar Ⅱ Doctoral Course
2019 Systems Engineering Advanced Seminar Ⅰ Doctoral Course
2019 Systems Engineering Advanced Seminar Ⅰ Doctoral Course
2019 Systems Engineering Advanced Research Doctoral Course
2019 Systems Engineering Advanced Research Doctoral Course
2019 Systems Engineering SeminarⅡB Master's Course
2019 Systems Engineering SeminarⅡA Master's Course
2019 Systems Engineering SeminarⅠB Master's Course
2019 Systems Engineering SeminarⅠA Master's Course
2019 Systems Engineering Project SeminarⅡB Master's Course
2019 Systems Engineering Project SeminarⅠB Master's Course
2019 Systems Engineering Project SeminarⅠA Master's Course
2018 Systems Engineering Advanced Research Doctoral Course
2018 Systems Engineering Advanced Research Doctoral Course
2018 Systems Engineering Advanced Seminar Ⅰ Doctoral Course
2018 Systems Engineering Advanced Seminar Ⅰ Doctoral Course
2018 Systems Engineering Project SeminarⅡB Master's Course
2018 Systems Engineering Project SeminarⅡA Master's Course
2018 Systems Engineering Project SeminarⅠB Master's Course
2018 Systems Engineering Project SeminarⅠA Master's Course
2018 Systems Engineering SeminarⅡB Master's Course
2018 Systems Engineering SeminarⅡA Master's Course
2018 Systems Engineering SeminarⅠB Master's Course
2018 Systems Engineering SeminarⅠA Master's Course
2018 Molecular Recognition Chemistry Master's Course
2017 Systems Engineering Advanced Research Doctoral Course
2017 Systems Engineering Advanced Research Doctoral Course
2017 Systems Engineering Advanced Seminar Ⅰ Doctoral Course
2017 Systems Engineering Project SeminarⅡB Master's Course
2017 Systems Engineering Project SeminarⅡA Master's Course
2017 Systems Engineering Project SeminarⅠB Master's Course
2017 Systems Engineering Project SeminarⅠA Master's Course
2017 Molecular Recognition Chemistry Master's Course
2017 Systems Engineering SeminarⅡB Master's Course
2017 Systems Engineering SeminarⅡA Master's Course
2017 Systems Engineering SeminarⅠB Master's Course
2017 Systems Engineering SeminarⅠA Master's Course
2016 Systems Engineering Global Seminar Ⅱ Doctoral Course
2016 Systems Engineering Global Seminar Ⅱ Doctoral Course
2016 Systems Engineering Advanced Research Doctoral Course
2016 Systems Engineering Advanced Research Doctoral Course
2016 Systems Engineering Advanced Research Doctoral Course
2016 Systems Engineering Advanced Research Doctoral Course
2016 Systems Engineering Advanced Seminar Ⅱ Doctoral Course
2016 Systems Engineering Advanced Seminar Ⅱ Doctoral Course
2016 Systems Engineering Project SeminarⅡB Master's Course
2016 Systems Engineering Project SeminarⅡA Master's Course
2016 Systems Engineering Project SeminarⅠB Master's Course
2016 Systems Engineering Project SeminarⅠA Master's Course
2016 Systems Engineering SeminarⅡB Master's Course
2016 Systems Engineering SeminarⅡA Master's Course
2016 Systems Engineering SeminarⅠB Master's Course
2016 Systems Engineering SeminarⅠA Master's Course
2016 Molecular Recognition Chemistry Master's Course
2015 Molecular Recognition Chemistry
2015 Systems Engineering Advanced Seminar Ⅱ
2015 Systems Engineering Advanced Seminar Ⅰ
2015 Systems Engineering Advanced Research
2015 Systems Engineering SeminarⅡA
2015 Systems Engineering SeminarⅠA
2015 Systems Engineering Project SeminarⅡA
2015 Systems Engineering Project SeminarⅠA
2015 Systems Engineering Global Seminar Ⅰ
2015 Systems Engineering Advanced Seminar Ⅱ
2015 Systems Engineering Advanced Seminar Ⅰ
2015 Systems Engineering Advanced Research
2015 Systems Engineering SeminarⅡB
2015 Systems Engineering SeminarⅠB
2015 Systems Engineering Project SeminarⅡB
2015 Systems Engineering Project SeminarⅠB
2015 Systems Engineering Global Seminar Ⅰ
2014 Systems Engineering Global Seminar Ⅱ
2014 Systems Engineering Global Seminar Ⅱ
2014 Systems Engineering Advanced Research
2014 Systems Engineering Advanced Research
2014 Systems Engineering Advanced Seminar Ⅱ
2014 Systems Engineering Advanced Seminar Ⅱ
2014 Systems Engineering Advanced Seminar Ⅰ
2014 Systems Engineering Advanced Seminar Ⅰ
2014 Systems Engineering Project SeminarⅡB
2014 Systems Engineering Project SeminarⅡA
2014 Systems Engineering Project SeminarⅠB
2014 Systems Engineering Project SeminarⅠA
2014 Molecular Recognition Chemistry
2014 Systems Engineering SeminarⅡB
2014 Systems Engineering SeminarⅡA
2014 Systems Engineering SeminarⅠB
2014 Systems Engineering SeminarⅠA
2013 Systems Engineering Advanced Research
2013 Systems Engineering Advanced Research
2013 Systems Engineering Global Seminar Ⅰ
2013 Systems Engineering Global Seminar Ⅰ
2013 Systems Engineering Advanced Seminar Ⅰ
2013 Systems Engineering Advanced Seminar Ⅰ
2013 Systems Engineering Project SeminarⅡB
2013 Systems Engineering Project SeminarⅡA
2013 Systems Engineering Project SeminarⅠB
2013 Systems Engineering Project SeminarⅠA
2013 Molecular Recognition Chemistry
2013 Systems Engineering SeminarⅡB
2013 Systems Engineering SeminarⅡA
2013 Systems Engineering SeminarⅠB
2013 Systems Engineering SeminarⅠA
2012 Molecular Recognition Chemistry
2012 Systems Engineering Advanced Seminar Ⅱ
2012 Systems Engineering Advanced Seminar Ⅰ
2012 Systems Engineering Advanced Research
2012 Systems Engineering SeminarⅡA
2012 Systems Engineering SeminarⅠA
2012 Systems Engineering Project SeminarⅡA
2012 Systems Engineering Project SeminarⅠA
2012 Systems Engineering Advanced Seminar Ⅱ
2012 Systems Engineering Advanced Seminar Ⅰ
2012 Systems Engineering Advanced Research
2012 Systems Engineering SeminarⅡB
2012 Systems Engineering SeminarⅠB
2012 Systems Engineering Project SeminarⅡB
2012 Systems Engineering Project SeminarⅠB
2011 Systems Engineering Project SeminarⅡB
2011 Systems Engineering Project SeminarⅡA
2011 Systems Engineering Project SeminarⅠB
2011 Systems Engineering Project SeminarⅠA
2011 Systems Engineering Advanced Research
2011 Systems Engineering Advanced Research
2011 NA
2011 NA
2011 Systems Engineering Advanced Seminar Ⅱ
2011 Systems Engineering Advanced Seminar Ⅱ
2011 Systems Engineering Advanced Seminar Ⅰ
2011 Systems Engineering Advanced Seminar Ⅰ
2011 Molecular Recognition Chemistry
2010 Molecular Recognition Chemistry Master's Course
2010 NA Master's Course
2010 NA Master's Course
2010 NA Master's Course
2010 NA Master's Course
2010 NA Master's Course
2010 NA Master's Course
2009 Molecular Recognition Chemistry Master's Course
2009 NA Master's Course
2009 NA Master's Course
2009 NA Master's Course
2009 NA Master's Course
2008 Molecular Recognition Chemistry Master's Course
2008 NA Master's Course
2008 NA Master's Course
2008 NA Master's Course
2008 NA Master's Course
2007 Molecular Recognition Chemistry Master's Course
2007 NA Master's Course
2007 NA Master's Course
2007 NA Master's Course
2007 NA Master's Course

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Papers and Awards Received Related to Improving Education

2019 グッドレクチャー賞システム工学部 Domestic

Research Interests

Chemical Sensors
化学センサー
分析化学
Analytical Chemistry

Published Papers

Quantitative Discrimination of Silver and Gold Nanoparticles Immobilized in Transparent Plastic Film by Photothermal Microscopy with Multiwavelength Excitation

Yoshio Nakahara, Jun Miyazaki, Aoi Hirono, Takashi Ienaga, Setsuko Yajima

Chemistry Letters 52 ( 2 ) 113 - 115 2023.02 [Refereed]

DOI
Properties of surface layers of polyethylene naphthalate substrates modified by ultraviolet light irradiation for their electroless deposition

Toshiyuki Tamai, Mitsuru Watanabe, Rie Kakehashi, Yoshio Nakahara, Setsuko Yajima

Colloid and Polymer Science 2023

　View Summary

The properties of thin surface layers of polymer substrates should be investigated and controlled for their application in electroless deposition. In this paper, polyethylene naphthalate (PEN) and polyethylene terephthalate (PET) substrates were modified by plasma treatment, ultraviolet (UV)/ozone treatment, or UV (254 nm) irradiation. The chemical and physical properties of the modified layer were studied by measuring contact angle and zeta potential, field-emission scanning electron microscope (FE-SEM) imaging, and infrared spectroscopy. The condition of the surface modification affected oxygenation of the polymer chains. The oxygenation formed hydrophilic surface functional groups and relatively polar low-molecular-weight fragments resulting from the scission of the polymer chains. The surface functional groups and the fragments governed the properties of the modified layer. Adhesive metal films were electrolessly deposited on the thinner modified layer having the hydrophilic functional groups. In contrast, the thicker modified layer containing the fragments decreased the adhesion of the metal films. For example, UV/ozone treatment of the PEN substrate formed the thicker modified layer, on which no adhesive metal films were deposited. These findings illustrate that optimizing the condition of the surface modification thoroughly is feasible to form the modified layer having the chemical and physical properties appropriate for depositing adhesive metal films.

DOI
イオンセンサーの応答機構の解明を目指したオルガノゲルのイオン選択的構造変化の観測

矢嶋摂子, 増永啓康, 佐々木園（Part： Lead author,　Corresponding author )

SPring-8/SACLA利用研究成果集 10 ( 6 ) 485 - 487 2022.12 [Refereed]
Influencing foam properties of aqueous bis(2-ethylhexyl)sulfosuccinate solutions by addition of polypropylene-glycol-modified and amino-modified silica nanoparticles

Keita Aono, Hiroya Shiba, Furitsu Suzuki, Yoshihiro Yomogida, Motomitsu Hasumi, Shinpei Kado, Yoshio Nakahara, Setsuko Yajima

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS ( ELSEVIER ) 655 2022.12 [Refereed]

　View Summary

The effect of silica nanoparticle (SiO2NP) addition on the air-water interfacial rheology and foam properties was investigated in aqueous solutions of bis(2-ethylhexyl)sulfosuccinate (AOT), an anionic surfactant. Two types of SiO2NPs were prepared: polypropylene-glycol-modified SiO2NPs (PPG-SiO2NPs) and amino-modified SiO2NPs (NH2-SiO2NPs). The addition of SiO2NPs stabilized the foam in the aqueous AOT solution in all cases, but the effect on the air-water interfacial behavior differed depending on the SiO2NP type. Adsorption of NH2-SiO2NPs to the air-water interface improved the air-water interfacial dilational viscoelasticity (E), enhancing foam stability. Although PPG-SiO2NPs did not adsorb to the air-water interface, the movement of AOT molecules to the air -water interface was partially suppressed by hydrophobic interaction with PPG-SiO2NPs in the bulk aqueous solution. This event limited the decrease in E, thereby stabilizing the foam.

DOI
Room-temperature coalescence of Pd nanoparticles with sacrificial templates and sintering agents, and their catalytic activities in the Suzuki coupling reaction.

Soichiro Okada, Yoshio Nakahara, Mitsuru Watanabe, Toshiyuki Tamai, Yasuyuki Kobayashi, Setsuko Yajima

RSC Advances 12 14535 - 14543 2022.05 [Refereed]

DOI
Synthesis of Silica Nanoparticles with Physical Encapsulation of Near-Infrared Fluorescent Dyes and Their Tannic Acid Coating

Yoshio Nakahara, Yukiho Nakajima, Soichiro Okada, Jun Miyazaki, Setsuko Yajima

ACS Omega ( American Chemical Society (ACS) ) 6 ( 27 ) 17651 - 17659 2021.07 [Refereed]

DOI
Room-Temperature Coalescence of Tri-n-Octylphosphine-Oxide-Capped Cu-Ag Core-Shell Nanoparticles: Effect of Sintering Agent and/or Reducing Agent

Soichiro Okada, Yoshio Nakahara, Mitsuru Watanabe, Toshiyuki Tamai, Yasuyuki Kobayashi, Setsuko Yajima

Bulletin of the Chemical Society of Japan 64 ( 5 ) 1616 - 1624 2021.05 [Refereed]

　View Summary

Metal nanoparticle pastes are useful for nanoinks to form fine conductive patterns in printed electronics. This study reports a novel method for room-temperature coalescence of Cu-Ag core-shell nanoparticles (Cu@Ag NPs), which are expected to have the properties of both migration and oxidation resistance originating from Cu and Ag, respectively. First, oleylamine/oleic-acid capped Cu@Ag NPs were synthesized by the galvanic replacement method. Second, the ligand exchange reaction to tri-n-octylphosphine oxide (TOPO) was carried out on the surface of Cu@Ag NPs. Finally, TOPOcapped Cu@Ag NPs were dipped into methanol containing a sintering agent and/or a reducing agent. When HCl was added as a sintering agent to methanol, the crystallite size of Cu@Ag NPs significantly increased. Furthermore, the almost complete removal of organic compounds and suppression of significant oxidation of Ag and Cu were observed. In consideration of these results, a Cu/Ag conductive thin film was prepared from TOPO-capped Cu Ag NPs by dipping into methanol containing HCl at room temperature under air atmosphere. Electrical resistivity of the obtained Cu/Ag thin film was (5.1 « 1.7).

DOI
Foam Destabilization Effect of Sodium Bis(2-ethylhexyl)sulfosuccinate on Sodium Alkylsulfate Aqueous Solutions Based on Its Fast Surface Tension Gradient Relaxation

Keita Aono, Furitsu Suzuki, Yoshihiro Yomogida, Motomitsu Hasumi, Shinpei Kado, Yoshio Nakahara, Setsuko Yajima （Part： Corresponding author )

Bulletin of the Chemical Society of Japan ( The Chemical Society of Japan ) 94 ( 2 ) 542 - 548 2021.02 [Refereed]

DOI
Effects of Polypropylene Glycol at Very Low Concentrations on Rheological Properties at the Air–Water Interface and Foam Stability of Sodium Bis(2-ethylhexyl)sulfosuccinate Aqueous Solutions

Keita Aono, Furitsu Suzuki, Yoshihiro Yomogida, Motomitsu Hasumi, Shinpei Kado, Yoshio Nakahara, Setsuko Yajima （Part： Corresponding author )

Langmuir ( American Chemical Society (ACS) ) 36 ( 34 ) 10043 - 10050 2020.09 [Refereed]

DOI
Relationship between air-water interfacial dilational viscoelasticity and foam property in aqueous solutions of sodium alkylsulfates with different hydrocarbon chains

Keita Aono, Furitsu Suzuki, Yoshihiro Yomogida, Tetsuya Okano, Shinpei Kado, Yoshio Nakahara, Setsuko Yajima （Part： Corresponding author )

Journal of Dispersion Science and Technology ( Informa UK Limited ) 1 - 7 2020.02 [Refereed]

DOI
Preparation of Ag2Se QDs with excellent aqueous dispersion stability by orgainc coating with aqueous ATRP

Yoshio Nakahara, Yuki Kunitsu, Nobuhiko Ozaki, Mutsuo Tanaka, Setsuko Yajima

POLYMER BULLETIN ( Springer Science and Business Media LLC ) 76 ( 9 ) 4753 - 4768 2019.09 [Refereed]

DOI
Surface modification of polyethylene naphthalate substrates by ultraviolet light-irradiation and assembling multilayers and their application in electroless deposition: The chemical and physical properties of the stratified structure

T. Tamai, M. Watanabe, Y. Kobayashi, J. Kobata, Y. Nakahara, S. Yajima

Colloids and Surfaces A: Physicochemical and Engineering Aspects 575 230 - 236 2019.08 [Refereed]

　View Summary

© 2019 Elsevier B.V. Electroless metal deposition on polymer surface is useful for fabricating metallic patterns. The surfaces of polyethylene naphthalate (PEN) substrates were modified by ultraviolet (UV) light -irradiation and layer-by-layer assembly of polyelectrolyte multilayer thin films, and then nickel and copper films were electrolessly deposited on the substrate surfaces to form the stratified structure, PEN-substrate/multilayer/metal-film. The chemical and physical properties of the modified layer in the substrate surfaces were studied by X-ray photoelectron spectroscopy, nanoindentation test, and measuring contact angle. The properties of the UV-irradiated surface layer depended on the condition of surface modification and affected the adhesion of the deposited metal film. Adhesive nickel films were deposited on the UV (254 nm)-irradiated PEN substrates that have thin modified layers compatible with the multilayers. In contrast, no adhesive nickel films were deposited on the substrate surfaces having thicker and fragile modified layers. These contrasting results are originated from the oxygenation and crosslinking of the polymer chains in the substrate surface layers, and reactive species formed by the UV irradiation induce the oxygenation and crosslinking. The properties of the modified substrate-surface play an important role for depositing adhesive metal films.

DOI
Crystallite Size Increase of Silver Nanoparticles by Ligand Exchange and Subsequent Washing Process with Antisolvent

Okada Soichiro, Nakahara Yoshio, Watanabe Mitsuru, Tamai Toshiyuki, Yajima Setsuko

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 19 ( 8 ) 4565 - 4570 2019.08 [Refereed]

DOI
Room-Temperature Sintering of Tri-n-Octylphosphine-Oxide-Capped Silver Nanoparticle Paste by Dipping into an Organic Solvent Containing a Sintering Agent

Okada Soichiro, Nakahara Yoshio, Watanabe Mitsuru, Tamai Toshiyuki, Kobayashi Yasuyuki, Yajima Setsuko

JOURNAL OF PHYSICAL CHEMISTRY C ( American Chemical Society (ACS) ) 123 ( 23 ) 14118 - 14125 2019.06 [Refereed]

DOI
A tetraester derivative of fluorescent calix[4]arene bearing a proton-ionizable moiety for highly sensitive extraction-fluorometric determination of sodium ion

Yoshio Nakahara, Yuta Furuno, Hitoshi Iwamoto, Setsuko Yajima, Keiichi Kimura

Supramolecular Chemistry ( Informa UK Limited ) 30 ( 8 ) 697 - 705 2018.08 [Refereed]

DOI
Near-Infrared Dye Immobilized in Porous Silica Layer on Gold Nanorod and Its Fluorescence Enhancement by Strengthened Electromagnetic Field Based on Surface Plasmon Resonance

Yoshio Nakahara, Ryoko Takeda, Toshiyuki Tamai, Setsuko Yajima, Keiichi Kimura

Plasmonics ( Springer New York LLC ) 13 ( 2 ) 645 - 652 2018.04 [Refereed]

　View Summary

We report immobilizing Nile Blue A, which is a cationic fluorescent dye emitting in the near-infrared region, in the porous silica layer on gold nanorod and its fluorescence enhancement by strengthened electromagnetic field based on surface plasmon resonance. The effect of the spacer corresponding to the silica layer on the metal-enhanced fluorescence effect is also discussed in detail. Hollow silica nanorod was in advance prepared, and then the silica layer was partly etched to increase the porosity for the improvement of the mass transfer. Subsequently, gold nanorod was fabricated in the restricted space of hollow silica nanorod. Finally, Nile Blue A was physically immobilized in the porous silica layer on gold nanorod through electrostatic interactions. The fluorescence enhancement of Nile Blue A based on surface plasmon resonance was semi-quantified by comparative experiments using hollow silica nanorod, which is exactly the same structure except for gold as silica-coated gold nanorod. Since our results demonstrated that the porosity degree of the silica layer significantly affected the fluorescence enhancement of Nile Blue A, it is hopeful that our design concept, distinct from the conventional one, can lay a foundation for further development of near-infrared fluorescence nanomaterials.

DOI
Effect of Protective Agents on Silver Nanoparticle Preparation by Vacuum Evaporation on Running Hydrocarbon Solution

Ienaga Takashi, Nakahara Yoshio, Yajima Setsuko, Kimura Keiichi

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 18 ( 4 ) 2547 - 2554 2018.04 [Refereed]

DOI
Comparison of Physical Adsorption Strength of Protective Agents via Ligand Exchange of Silver Nanoparticles Prepared by Vacuum Evaporation on Running Oil Substrate (vol 90, pg 1251, 2017)

Ienaga Takashi, Okada Soichiro, Nakahara Yoshio, Watanabe Mitsuru, Tamai Toshiyuki, Yajima Setsuko, Kimura Keiichi

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 91 ( 3 ) 506 2018.03 [Refereed]

DOI
Erratum: Comparison of physical adsorption strength of protective agents via ligand exchange of silver nanoparticles prepared by vacuum evaporation on running oil substrate (Bulletin of the Chemical Society of Japan (2017) 90 (1251) DOI: 10.1246/bcsj.20170189)

Takashi Ienaga, Soichiro Okada, Yoshio Nakahara, Mitsuru Watanabe, Toshiyuki Tamai, Setsuko Yajima, Keiichi Kimura

Bulletin of the Chemical Society of Japan ( Chemical Society of Japan ) 90 ( 11 ) 1251 - 1258 2018 [Refereed]

　View Summary

We compared adsorption strength of protective agents via ligand exchange of silver nanoparticles synthesized by the improved vacuum evaporation on running oil substrate (VEROS) method. This comparison concerns physical adsorption of protective agents on the surface of silver nanoparticles instead of chemisorption. Clean surfaces of silver nanoparticles synthesized by the improved VEROS method were suitable for this investigation. All the experiments in this study were designed so that as far as possible protective agents did not ionize. Thus, oleic acid capped silver nanoparticles were synthesized by the improved VEROS method. Next, octanoic acid, n-octylamine and oleic acid were used as additive protective agents in ligand exchanges. The ligand exchange is also closely related to physical adsorption strength of protective agents on the surface of metal nanoparticles. Oleic acid on the surface of silver nanoparticles was exchanged by octanoic acid and vice versa under the same experimental conditions. On the other hand, oleic acid on the silver surface was not exchanged by n-octylamine. These results were remarkably different from those reported in general chemical synthetic methods but they were well consistent with our previous study on performance of protective agents in the synthesis of silver nanoparticles with the improved VEROS method.

DOI
Development of Ion Sensors Based on Polysilsesquioxane Modified Chemically with Crown Ether Derivatives in View of in vivo Analyses

Setsuko Yajima, Masato Kishi, Keiichi Kimura （Part： Lead author,　Corresponding author )

BUNSEKI KAGAKU ( JAPAN SOC ANALYTICAL CHEMISTRY ) 66 ( 6 ) 431 - 436 2017.06 [Refereed]

　View Summary

We used polysilsesquioxanes (PSQ), which are inorganic-organic composites, as ion-sensing membrane materials of ion sensors. In this study, PSQ-bearing methyl and vinyl groups at a ratio of 4 : 1 were modified chemically with crown ether derivatives. The membranes were formed from solutions of these compounds on the gates of ion-sensitive field-effect transistors, and used as ion-sensing membranes. The ion-sensor properties of these membranes were investigated at 25 degrees C. Ion-sensing membranes based on these PSQ responded to K+. In the case of PSQ chemically immobilized with 18-crown-6, the Nernstian response for K+ activity changes was obtained, and the K+ selectivity of the membrane was similar to that of the conventional 18-crown-6 derivative based ion-sensing membranes. In addition, the adsorption of fibrinogen on PSQ derivatives were highly suppressed; it was therefore suggested that the membranes based on PSQ showed good biocompatibility.
Surface modification of PEN and PET substrates by plasma treatment and layer-by-layer assembly of polyelectrolyte multilayer thin films and their application in electroless deposition

T. Tamai, M. Watanabe, Y. Kobayashi, Y. Nakahara, S. Yajima

RSC ADVANCES ( ROYAL SOC CHEMISTRY ) 7 ( 53 ) 33155 - 33161 2017 [Refereed]

　View Summary

The surfaces of the polyethylene naphthalate (PEN) and polyethylene terephthalate (PET) substrates were modified by plasma treatment and then layer-by-layer (LbL) assembly of polyelectrolyte multilayer thin films from two oppositely charged polyelectrolytes. Negatively or positively charged palladium complex ions bound to oppositely charged multilayer surfaces and were reduced to form palladium nanoparticles and then a nickel film was electrolessly deposited on the substrate surfaces. The multilayers on PEN and PET substrate surfaces are suitable for supporting palladium nanoparticle catalysts and their properties can be controlled by the conditions of LbL assembly.

DOI
生体試料のイオン定量のためのオリゴエチレングリコール誘導体化学修飾ゾル-ゲル感応膜の開発

石垣裕真, 矢嶋摂子, 田中睦生, 木村恵一

日本分析化学会講演要旨集 ( (公社)日本分析化学会 ) 64年会 213 - 213 2015.08
Sol-gel transition of organogels observed by terahertz spectroscopy

Hiromichi Hoshina, Atsumi Ozaki, Yusuke Itagaki, Setsuko Yajima, Hal Suzuki, Shinya Ishii, Misaki Ishida, Tetsuji Uchiyama, Keiichi Kimura, Chiko Otani

CHEMICAL PHYSICS LETTERS ( ELSEVIER SCIENCE BV ) 608 173 - 176 2014.07

　View Summary

Terahertz (THz) absorption spectra of organogels consisting of (1R,2R)-1,2-bis(dodecanoylamino) cyclohexane/2-nitrophenyl octyl ether (RR-BDC/NPOE) and RR-BDC/n-dodecane were measured by Fourier-transform far-infrared (FT-FIR) spectroscopy. The vibrational peaks of the gels were observed at the same frequencies as those of the pure gelator, suggesting that the intermolecular structure around the N-H center dot center dot center dot O=C hydrogen bond is maintained in the gel phase. Temperature-dependent spectroscopy showed a drastic spectral change at the sol-gel transition temperature, in which the vibrational peak at 3.5 THz disappears and a new peak appears at 2.9 THz. The change in THz vibrational frequency is indicative of the structural collapse of the hydrogen-bonded fibrous architecture in the sol phase. (C) 2014 Elsevier B.V. All rights reserved.

DOI
Sol-Gel Transition of Supramolecular Gels Observed by Terahertz SpectroscopyA

Hiromichi Hoshina, Atsumi Ozaki, Yusuke Itagaki, Setsuko Yajima, Hal Suzuki, Shinya Ishii, Misaki Ishida, Tetsuji Uchiyama, Keiichi Kimura, Chiko Otani

2013 38TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) ( IEEE ) 2013

　View Summary

Terahertz (THz) absorption spectra of supramolecular gels ((1R,2R)-1,2-bis(dodecanoylamino)cyclohexane / 2-nitrophenyl octyl ether) were measured by Fourier transform far-infrared spectroscopy (FT-FIR). The spectra were measured by changing concentration and temperature of gels. The absorption intensities of the peaks around 8.6 THz show drastic change at the sol-gel transition temperature.
Chloride Ion Sensor Based on Sol-Gel-Derived Membranes Modified Chemically with Porphyrin-Manganese(III) Complexes

Setsuko Yajima, Hiromasa Ishigaki, Yusuke Hori, Rei Takeaki, Keiichi Kimura

BUNSEKI KAGAKU ( JAPAN SOC ANALYTICAL CHEMISTRY ) 61 ( 3 ) 207 - 212 2012.03 [Refereed]

　View Summary

Porphyrin-manganese(III) complexes were used as Cl--selective ionophores for sol-gel derived membranes encapsulating and binding covalently them. The ion-sensing membrane encapsulating the ionophore showed hardly any EMF response to Cl--activity changes, probably because the ionophore was not uniformly dispersed in the sol-gel-derived membranes. On the other hand, the ion-sensing membrane binding covalently the ionophore, in which the ionophore was dispersed in the membranes uniformly, showed near-Nernstian responses to Cl--activity changes. The sol-gel-derived membranes were relatively Cl--selective over interfering hydrophobic anions, as compared with the case of the membranes containing only a cationic additive. The Cl--selective electrode is, therefore, promising for applications to clinical analysis in the future.
Remarkable potassium selectivity of ion sensors based on supramolecular gel membranes made from low-molecular-weight gelators without any ionophore

Setsuko Yajima, Kento Takami, Ryosuke Ooue, Keiichi Kimura

ANALYST ( ROYAL SOC CHEMISTRY ) 136 ( 24 ) 5131 - 5133 2011 [Refereed]

　View Summary

Supramolecular gels formed by low-molecular-weight gelators bearing diamide groups were used as ion-sensing membranes for the first time. Even though no special ionophore was added to the membranes, excellent ion selectivities for K(+) over alkali metal ions were realized with the sensor systems.

DOI
Drastic selectivity reversal on crown-ether based ion-sensing membranes made of ordered mesoporous silica and conventional sol-gel derived one

Setsuko Yajima, Takahito Nakajima, Mariko Higashi, Keiichi Kimura

Chemical Communications 46 ( 11 ) 1914 - 1916 2010

　View Summary

A crown-ether based ion sensor, in which ordered mesoporous silica was used as a membrane material, was fabricated for the first time, and drastic selectivity reversal was attained in comparison with conventional sol-gel derived membrane based on the same crown ether. © The Royal Society of Chemistry 2010.

DOI
Neutral carrier-type Ca2+sensors based on sol-gel-derived membranes incorporating diether-amide derivatives

Setsuko Yajima, Sachie Uchida, Yusuke Hori, Keiichi Kimura

SUPRAMOLECULAR CHEMISTRY ( TAYLOR & FRANCIS LTD ) 22 ( 7-8 ) 420 - 424 2010

　View Summary

We have synthesised Ca2+-selective neutral carriers for sol-gel-derived membranes encapsulating and covalently binding them. These ion-sensing membranes showed excellent EMF responses to Ca2+ activity changes with very short response times. Especially, the membranes covalently binding the neutral carriers did not deteriorate for at least 2 months. These sol-gel-derived membranes were selective for Ca2+ over Na+ and K+. The Ca2+-selective electrode is, therefore, promising for applications to clinical analysis in future.

DOI
Selectivity enhancement in neutral-carrier-type ion sensors based on a liquid-crystalline polymer

Shusuke Osaki, Setsuko Yajima, Keiichi Kimura

ANALYST ( ROYAL SOC CHEMISTRY ) 134 ( 7 ) 1472 - 1476 2009

　View Summary

A liquid-crystalline polymer was applied to a neutral-carrier-type ion sensor as a membrane material for enhancement of ion selectivity. An ion-sensitive field-effect transistor (ISFET) based on the membranes containing the polymer showed high sensitivity and selectivity for K(+) by adding a low-molecular-weight liquid crystal as the plasticizer. The ion-sensor properties of the ISFETs based on the membranes containing a liquid-crystalline polymer were similar to those of the corresponding ion-selective electrodes (ISEs) based on the same polymer. The ion sensor with a liquid-crystalline polymer was more durable than that without any liquid-crystalline polymer. The use of liquid-crystalline polymer as the membrane material improves not only the ion-sensor properties but also the durability.

DOI
Addition effect of ionic liquid to neutral-carrier-type lithium-ion sensing membranes

Ryosuke Ooue, Syusukc Oosaki, Setsuko Yajima, Keiichi Kimura

BUNSEKI KAGAKU ( JAPAN SOC ANALYTICAL CHEMISTRY ) 57 ( 8 ) 619 - 624 2008.08 [Refereed]

　View Summary

Plasticized poly(vinyl chloride) membranes containing an ionic liquid as the membrane solvent were prepared, and the ion-sensor properties of the ISEs were studied. When the ratio of ionic liquids to NPOE was less than 1, the ISEs showed near-Nernstian responses. However, as the ratio became higher than 1, the slope of the EMF responses became smaller. The selectivity for lithium ion was enhanced by the addition of ionic liquid into the membranes, when a polyether-amide derivative was used as the neutral carrier (lithium ionophore).
Addition effect of ionic liquid to neutral-carrier-type lithium-ion sensing membranes

Ryosuke Ooue, Syusuke Oosaki, Setsuko Yajima, Keiichi Kimura

Bunseki Kagaku 57 ( 8 ) 619 - 624 2008

　View Summary

Plasticized poly(vinyl chloride) membranes containing an ionic liquid as the membrane solvent were prepared, and the ion-sensor properties of the ISEs were studied. When the ratio of ionic liquids to NPOE was less than 1, the ISEs showed near-Nernstian responses. However, as the ratio became higher than 1, the slope of the EMF responses became smaller. The selectivity for lithium ion was enhanced by the addition of ionic liquid into the membranes, when a polyetheramide derivative was used as the neutral carrier (lithium ionophore). © 2008 The Japan Society for Analytical Chemistry.

DOI
Strong molecular aggregation of neutral carriers bearing perfluoroalkyl chains in liquid-crystalline ion-sensor membranes

Shusuke Oosaki, Setsuko Yajima, Keiichi Kimura

Analytical Sciences 23 ( 8 ) 963 - 967 2007.08

　View Summary

A liquid-crystalline benzocrown ether, 4′-[(4″-1,1,2,2- tetrahydroperfluorooctyloxy)biphenyloxycarbonyl]benzo-15-crown-5, was used as a neutral carrier of ion-selective electrodes (ISEs) to elucidate the effect of highly ordered assembling of the neutral carrier on the sensor properties through fluorophilic interactions. The properties for the membrane and the resulting ISEs based on a benzocrown ether bearing a perfluoroalkyl chain were compared with those based on the corresponding crown ether bearing an alkyl chain. Atomic force microscopy and fluorescence measurements suggested that the neutral carrier bearing a perfluoroalkyl chain formed highly aggregational states in the membranes of ISEs. 2007 © The Japan Society for Analytical Chemistry.

DOI
Silver-ion redox sensing based on colloid formation by gallate ester derivatives

S Yajima, Y Iwane, E Nomura, H Taniguchi, K Kimura

ANALYTICA CHIMICA ACTA ( ELSEVIER SCIENCE BV ) 556 ( 1 ) 189 - 194 2006.01

　View Summary

Plasmon absorption of silver colloid, which was formed by reduction of silver ion with compounds bearing gallate ester groups in ethanol, was observed by absorption spectroscopy. The time-dependent absorption of silver colloid was found, which shows that the silver colloid is unstable and easy to aggregate. It seemed that a calixarene derivative bearing two gallate ester groups was the most suitable for determining silver ion. In order to prevent the silver colloid aggregation, poly(N-vinylpyrrolidone) (PVP) was added into the solution at a constant time after the preparation of sample solutions. In the calibration graph, the absorbance increased with increasing silver ion concentration, especially in the concentration range of 2.00 x 10(-6) to 1.00 x 10(-5) M. It is possible to determine silver ion concentrations using this method. (c) 2005 Elsevier B.V. All rights reserved.

DOI
Observation of Blood Protein Adsorption on Biocompatible Ion-sensing Membrane Materials by Quartz Crystal Microbalance

S. Yajima, M. Shiraya, K. Kimura

Chemia Analityczna (Chemical Analysis) 51 939 - 947 2006
Metal colloid formation by calix[4]arene gallate ester for silver-ion determination

Y Iwane, S Yajima, E Nomura, H Taniguchi, K Kimura

BUNSEKI KAGAKU ( JAPAN SOC ANALYTICAL CHEMISTRY ) 54 ( 6 ) 527 - 531 2005.06 [Refereed]

　View Summary

The surface plasmon absorption of silver colloid, which was formed by the reduction of silver ion with a calixarene derivative bearing a gallate ester group in ethanol, was observed by absorption spectroscopy. The time-dependent absorption of silver colloid was found, which shows that the silver colloid is unstable and easy to aggregate. In order to prevent the silver colloid aggregation, poly (N-vinylpirrolidone) (PVP) was added into the solution at a constant time after preparing of sample solutions. The addition of PVP was effective for the stabilization of silver colloid, and the absorbance change with time was depressed. In the calibration graph, the absorbance increased with increasing silver-ion concentration, especially in the concentration range of 2.00 x 10(-6)similar to 1.00 X 10(-5) M. It is feasible to determine silver-ion concentrations using this method.
Metal colloid formation by calix[4]arene gallate ester for silver-ion determination

Yoshie Iwane, Setsuko Yajima, Eisaku Nomura, Hisaji Taniguchi, Keiichi Kimura

Bunseki Kagaku 54 ( 6 ) 527 - 531 2005.06

　View Summary

The surface plasmon absorption of silver colloid, which was formed by the reduction of silver ion with a calixarene derivative bearing a gallate ester group in ethanol, was observed by absorption spectroscopy. The time-dependent absorption of silver colloid was found, which shows that the silver colloid is unstable and easy to aggregate. In order to prevent the silver colloid aggregation, poly(N-vinylpirrolidone) (PVP) was added into the solution at a constant time after preparing of sample solutions. The addition of PVP was effective for the stabilization of silver colloid, and the absorbance change with time was depressed. In the calibration graph, the absorbance increased with increasing silver-ion concentration, especially in the concentration range of 2.00 × 10-6-1.00 × 10-5 M. It is feasible to determine silver-ion concentrations using this method. © 2005 The Japan Society for Analytical Chemistry.

DOI
Photocontrol of ion-sensor performances in neutral-carrier-type ion sensors based on liquid-crystalline membranes

S Oosaki, H Hayasaki, Y Sakurai, S Yajima, K Kimura

CHEMICAL COMMUNICATIONS ( ROYAL SOC CHEMISTRY ) ( 41 ) 5226 - 5227 2005 [Refereed]

　View Summary

Neutral-carrier-type ion-selective electrodes based on liquid-crystalline ion-sensing membranes containing an azobenzene derivative as the photosensitive chromophore show remarkable changes in their ion selectivity on photoirradiation, which is induced by the phase transition of the membranes.

DOI
ニュートラルキャリヤ型イオンセンサー

矢嶋摂子, 木村恵一

ぶんせき ( 6 ) 308 - 313 2005
Properties of dendritic and cyclic thiourea derivatives as neutral carriers for anion sensors

Sachie Uchida, Yuichiro Komatsu, Hitomi Satoh, Setsuko Yajima, Keiichi Kimura, Yoshito Tobe, Shin-Ichi Sasaki, Masaaki Mizuno, Yohei Watanabe, Keiji Hirose

Bunseki Kagaku 53 ( 9 ) 943 - 952 2004.09 [Refereed]

　View Summary

We desinged seven neutral carriers for hydrophilic anion sensors: four compounds containing one thiourea group and dendritic benzyl ether derivatives, two compounds containing three or four thiourea groups, and a cyclic compound containing three thiourea groups. The association constants with dihydrogen phosphate ion for these thiourea derivatives were determined in organic solvents. The compounds exhibited high association constants with dihydrogen phosphate ion. When these compounds were used as neutral carriers of ion-selective electrodes (ISEs) for phosphate ion, the slopes of the EMF responses were very small in all cases. The ISEs showed better EMF responses for sulfate ion than for phosphate ion. Especially in the case that dendritic and cyclic derivatives containing three thiourea groups were used as neutral carriers, the ISEs exhibited excellent EMF responses for sulfate ion and anion selectivities.

DOI
Neutral-carrier-type potassium ion-selective electrodes based on polymer-supported liquid-crystal membranes for practical use

S Oosaki, Y Kawai, S Yajima, K Kimura

ANALYTICAL SCIENCES ( JAPAN SOC ANALYTICAL CHEMISTRY ) 20 ( 8 ) 1165 - 1169 2004.08 [Refereed]

　View Summary

Polymer-supported liquid-crystal membranes have been designed for neutral-carrier-type potassium ion-selective electrodes, aiming for practical applications of high-performance liquid-crystalline membrane ion sensors. Two types of polymer-supported liquid-crystal membranes were tested for their usefulness; one is microporous poly(tetra fluoroethylene) (PTFE) membranes impregnated by thermotropic liquid-crystalline compounds, and another is poly(methyl methacrylate) (PMMA) membrane dispersing the same liquid-crystalline compounds. Both of the polymer-supported liquid-crystal membranes containing a liquid-crystalline benzo-15-crown-5 neutral carrier as well as a lipophilic anion excluder work well as ion-sensing membranes for potassium ion-selective electrodes, the ion selectivities of which can be switched by the measurement temperatures. Specifically, PTFE-impregnated liquid-crystal membranes are better than the PMMA-dispersed ones in the sensitivity and selectivity of the resulting ion electrodes. A potassium ion assay in blood sera has proved that neutral-carrier-type ion-selective electrodes based on the polymer-supported liquid-crystal membranes are reliable for practical uses.
Silver ion sensing using π-coordinate aromatic neutral carriers for soft metal ions

Norio Yoshioka, Setsuko Yajima, Keiichi Kimura

Bunseki Kagaku 52 ( 9 ) 689 - 694 2003.09

　View Summary

We have been studying neutral carriers of ion-selective electrodes (ISEs) for soft metal ions, and have reported that π-coordinate calixarene derivatives are useful for detecting soft metal ions selectively. In this study, in order to investigate what structures are essentially needed for detecting soft metal ions, several π-coordinate aromatic compounds were chosen as neutral carriers of ISEs, and the ion sensor properties were examined. An 1H-NMR study showed that t-butylcalix[4]arene tetra(allyl ether) and [2.2.2]-paracyclophane interact with silver ions power-fully, and that only t-butylcalix[4]arene interacts with thallium ions. Therefore, ISEs based on [2.2.2]-paracyclophane exhibited excellent silver ion sensor properties.

DOI
Silver ion sensing using pi-coordinate aromatic neutral carriers for soft metal ions

N Yoshioka, S Yajima, K Kimura

BUNSEKI KAGAKU ( JAPAN SOC ANALYTICAL CHEMISTRY ) 52 ( 9 ) 689 - 694 2003.09 [Refereed]

　View Summary

We have been studying neutral carriers of ion-selective electrodes (ISEs) for soft metal ions, and have reported that pi-coordinate calixarene derivatives are useful for detecting soft metal ions selectively. In this study, in order to investigate what structures are essentially needed for detecting soft metal ions, several pi-coordinate aromatic compounds were chosen as neutral carriers of ISEs, and the ion sensor properties were examined. An H-1-NMR study showed that t-butylcalix[4]arene tetra(allyl ether) and [2.2.2]-paracyclophane interact with silver ions powerfully, and that only t-butylcalix[4]arene interacts with thallium ions. Therefore, ISEs based on [2.2.2]-paracyclophane exhibited excellent silver ion sensor properties.
Soft metal ion-selective electrodes based on pi-coordinate calixarene derivatives

S Yajima, N Yoshioka, M Tanaka, K Kimura

ELECTROANALYSIS ( WILEY-V C H VERLAG GMBH ) 15 ( 15-16 ) 1319 - 1326 2003.09

　View Summary

Calix[4]arene derivatives incorporating omega-unsaturated alkenyl groups or saturated alkyl groups and their monomeric analogues were used as a-coordinate neutral carriers for ion-selective electrodes (ISEs) of soft metals [silver and thallium(I)] ions. The EMF responses were excellent for most of the ISEs, among which there was no significant difference in the response. The ion selectivities of the ISEs depend on the structure of neutral carriers employed. H-1 NMR study explains the difference in the ion selectivity. In the metal-ion complexation by the pi-coordinate calixarene derivatives, thallium ion is likely to interact with the calixarene skeleton, while silver ion tends to interact with both of the calixarene skeleton and the omega-unsaturated alkenyl groups.

DOI
Dependence of ion selectivity on ordered orientation of neutral carriers in ion-sensing membranes based on thermotropic liquid crystals

K Kimura, Y Kawai, S Oosaki, S Yajima, Y Yoshioka, Y Sakurai

ANALYTICAL CHEMISTRY ( AMER CHEMICAL SOC ) 74 ( 21 ) 5544 - 5549 2002.11 [Refereed]

　View Summary

Thermotropic liquid-crystalline compounds were applied as membrane materials (membrane solvent and neutral carrier) for neutral carrier-type ion sensors to investigate how the ordered arrangement of neutral carriers affects the property of the resulting ion sensors. Nematic, smectic, and cholesteric liquid-crystalline compounds were used as the membrane solvents and crown ether derivatives with a molecular structure similar to the liquid-crystalline solvent as the K+ neutral carriers. Polarized IR spectroscopy and X-ray diffraction experiments confirmed that the highly ordered arrangement of membrane components was retained in the liquid-crystal-based ion-sensing membranes containing a neutral carrier and a lipophilic salt. The ordered arrangement of neutral carriers in the liquid-crystalline membranes enhanced the ion selectivity significantly, probably due to the efficient cooperation of two adjacent crown ether moieties in the highly ordered and aggregated state.

DOI
Ion-sensor property and blood compatibility of neutral-carrier-type poly(vinyl chloride) membranes coated by phosphorylcholine polymers

S Yajima, Y Sonoyama, K Suzuki, K Kimura

ANALYTICA CHIMICA ACTA ( ELSEVIER SCIENCE BV ) 463 ( 1 ) 31 - 37 2002.07

　View Summary

Ion-selective membranes (ion-selective electrodes) were coated by biocompatible polymers, which are copolymers of methacryloyloxyethyl phosphorylcholine and an alkyl methacrylate, in order to develop blood compatible ion-selective electrodes. The sensor properties and biocompatibility of the ion-sensors were investigated using two types of alkyl methacrylates with different molecular weights. When the concentration of polymer solution for coating was relatively low, the ISEs showed good sensor properties, which lasted for at least 6 months. When the concentration of polymer solution for coating was relatively high, the coated ion-sensing membranes also showed good biocompatibility, which lasted for about a month. (C) 2002 Elsevier Science B.V. All rights reserved.

DOI
Synthesis and photochromism of spirobenzopyrans and spirobenzothiapyran derivatives bearing monoazathiacrown ethers and noncyclic analogues in the presence of metal ions

M Tanaka, T Ikeda, Q Xu, H Ando, Y Shibutani, M Nakamura, H Sakamoto, S Yajima, K Kimura

JOURNAL OF ORGANIC CHEMISTRY ( AMER CHEMICAL SOC ) 67 ( 7 ) 2223 - 2227 2002.04 [Refereed]

　View Summary

Spirobenzopyrans bearing monoazathiacrown ethers and noncyclic analogues were synthesized, and their ion-responsive photochromism depending on the dual metal ion interaction with the crown ether and the phenolate anion moieties was examined using alkali and alkaline-earth metal ions, Ag+, Tl+, Pb2+, Hg2+, and Zn2+. The prepared spirobenzopyrans showed a selective binding ability to Mg2+ and Ag+ with negative and positive photochromism, respectively. Among the metal ions, only Ag+ facilitated photoisomerization to the corresponding merocyanine form. Depending on the ring size of the monoazathiacrown ether moieties, soft metal ions such as Hg2+ and Ag+ showed significant shifts in the UV-vis absorption spectra, while hard metal ions such as Mg2+, Zn2+, and Pb2+ did not afford any meaningful shift. This result reflects that the monoazathiacrown ether and phenolate anion moieties prefer soft and hard metal ions, respectively. Therefore, the Mg2+ and Ag+ selectivities are mainly derived from the phenolate anion and monoazathiacrown ether moieties, respectively. On the other hand, a spirobenzothiapyran bearing 3,9-dithia-6-monoazaundecane showed a remarkable selectivity to Ag+.

DOI
Decisive factors in the photoisomerization behavior of crowned spirobenzopyrans: Metal ion interaction with crown ether and phenolate anion moieties

Abdussalam M. A. Salhin, Mutsuo Tanaka, Kenji Kamada, Hisanori Ando, Tomokazu Ikeda, Yasuhiko Shibutani, Setsuko Yajima, Makoto Nakamura, Keiichi Kimura

European Journal of Organic Chemistry ( Wiley-VCH Verlag ) ( 4 ) 655 - 662 2002 [Refereed]

　View Summary

The influence of metal ion interaction with crowned spirobenzopyrans on the photoisomerization behavior was investigated through the use of various solvents, crowned spirobenzopyrans, and metal ions. Studies on the photoisomerization behavior of crowned spirobenzopyrans in various solvents revealed that solvation of the phenolate anion moiety in the merocyanine form induced photoisomerization back to the spiropyran form, giving rise to negative photochromism. Metal ion interaction with the phenolate anion moiety similarly caused photoisomerization back to the spiropyran form, while that with the crown ether moiety just produced a polar environment and its influence on photoisomerization behavior was dependent on the affinity of the metal ion captured by the crown ether moiety for the phenolate anion. Therefore, photochromic switching of crowned spirobenzopyrans between positive and negative to control the metal ion interaction with the phenolate anion moiety through the crown ether moiety is possible. This finding suggests a molecular design method for crowned spirobenzopyrans showing desired ion-responsive photochromism.

DOI
Sol-gel modification of pH electrode glass membranes for sensing anions and metal ions

K Kimura, S Yajima, H Takase, M Yokoyama, Y Sakurai

ANALYTICAL CHEMISTRY ( AMER CHEMICAL SOC ) 73 ( 7 ) 1605 - 1609 2001.04 [Refereed]

　View Summary

To obtain glass membrane electrodes selective for anions and metal ions, pH electrode glass membranes were modified by a sol-gel method using a quaternary ammonium salt and a bis(crown ether). A chloride ionsensing glass membrane was designed, in which a pH electrode glass membrane was modified chemically by an alkoxysilyl quaternary ammonium chloride. X-ray photoelectron spectroscopy confirmed the chemical bonding of the quaternary ammonium moiety to the starting glass surface, which afforded the first example of glass-based "anion"-sensing membranes. A neutral carrier-type sodium ion-selective glass membrane was also fabricated which encapsulates a bis(12-crown-4) derivative in its sol-gel-derived surface. Both sol-gel-modified anion and metal ion-selective glass electrodes exhibited high sensitivity to their ion activity changes. The present sol-gel modification paves the way for designing glass-based ion sensors with tailor-made ion selectivities toward anions as well as cations.
Liquid crystal effect on neutral-carrier-type ion-sensing membranes

K Kimura, Y Kawai, S Yajima, Y Sakurai

CHEMICAL COMMUNICATIONS ( ROYAL SOC CHEMISTRY ) ( 14 ) 1302 - 1303 2001 [Refereed]

　View Summary

Liquid crystallinity of membrane solvent and neutral carriers for potentiometric ion sensors affects the orientation of neutral carrier molecules in the ion-sensing membranes, thus bringing about significant changes in the ion selectivity for the membrane electrodes.
Silver ion-selective electrodes using pi-coordinate calix[4]arene derivatives as soft neutral carriers

K Kimura, S Yajima, K Tatsumi, M Yokoyama, M Oue

ANALYTICAL CHEMISTRY ( AMER CHEMICAL SOC ) 72 ( 21 ) 5290 - 5294 2000.11

　View Summary

Calix[4]arene derivatives incorporating pi -coordinate substituents such as allyl, benzyl, and propargyl groups were designed as soft neutral carriers for silver ion sensors. Most of all, tert-butylcalix[4]arene tetra(allyl ether) is an excellent neutral carrier for plasticized poly(vinyl chloride)membrane sih er ion-selective electrodes. The ion sensors showed high silver ion selectivity over alkali metal ions and also good selectivity against other soft metal ions such as lead and mercury(II) ions. The electrode potential response was as rapid as that for neutral-carrier-type alkali metal ion electrodes due to the soft interaction between pi -coordinate substituents and silver ion, which was elucidated by H-1 NMR spectroscopy.

DOI
Potentiometric ion sensors with neutral-carrier-type ion-sensing membranes coated by biocompatible phosphorylcholine polymers

S Yajima, K Suzuki, K Kimura

ANALYTICAL SCIENCES ( JAPAN SOC ANALYTICAL CHEMISTRY ) 16 ( 9 ) 899 - 900 2000.09

DOI
Recent Trend in Ion-Sensing Research (Review)

Setsuko Yajima, Keiichi Kimura

Bunseki Kagaku ( Japan Society for Analytical Chemistry ) 49 ( 5 ) 279 - 296 2000

　View Summary

Ion sensors include electrochemical sensors to detect analyte ions electrochemically, i.e., mem- brane-potential sensors, such as ion-selective electrodes
voltammetric sensors, such as chemically-modified electrodes
and optical sensors to detect them spectrophotometrically, i.e., optodes or optrodes. There has been much information reported so far on ion sensors from two types of research, viz., the development of new sensors and basic studies about the response mechanism of ion sensors. The present review is concernd mainly with research topics of our intered, which include potentiometric anion sensors based on new neutral carriers and metal complexes. biocompatible ion sensors for the continuous detection of analyte ions in biological samples, and optodes for detecting electrically neutral molecules.

DOI
Supported sol-gel-derived membranes for neutral carrier-type ion-selective electrodes

K Kimura, S Yajima, K Okamoto, M Yokoyama

JOURNAL OF MATERIALS CHEMISTRY ( ROYAL SOC CHEMISTRY ) 10 ( 8 ) 1819 - 1824 2000 [Refereed]

　View Summary

For neutral carrier-type ion-selective electrodes, several sol-gel-derived membranes were designed which encapsulate valinomycin and bis(crown ether) derivatives as the neutral carriers. Relatively large size ion-sensing membranes based on sol-gel-derived glass were successfully fabricated by using membrane filters and sintered glass filters as the membrane supports. Potassium and sodium ion-selective electrodes, at the tip of which sol-gel-derived membranes containing a neutral carrier and a poly(tetrafluoroethylene) membrane filter were incorporated, exhibit high electrode performance in their sensitivity, selectivity, and response time. The supported sol-gel-derived membranes were also modified chemically by alkoxysilylated bis(crown ether) derivatives and were tested for their usefulness as sensing membranes of ion-selective electrodes.
Metal-ion stabilization of photoinduced open colored isomer in crowned spirobenzothiapyran

M Tanaka, K Kamada, H Ando, T Kitagaki, Y Shibutani, S Yajima, H Sakamoto, K Kimura

CHEMICAL COMMUNICATIONS ( ROYAL SOC CHEMISTRY ) ( 16 ) 1453 - 1454 1999.08 [Refereed]

　View Summary

A spirobenzothiapyran derivative bearing a monoaza-12-crown-4 moiety affords significant thermal stability enhancement in the UV light induced colored merocyanine form of its photochromic moiety by metal-ion complexation of its crown ether moiety, although the complexation hardly induces the isomerization without photoirradiation.
Anion-sensitive field-effect transistors based on sol-gel-derived membranes incorporating quaternary ammonium salts

K Kimura, H Takase, S Yajima, M Yokoyama

ANALYST ( ROYAL SOC CHEMISTRY ) 124 ( 4 ) 517 - 520 1999.04

　View Summary

Quaternary alkylammonium chlorides were encapsulated or bonded covalently to sol-gel-derived membranes made of mixtures of two alkoxysilanes so as to obtain sensing membranes for anion-sensitive field-effect transistors. Both types of anion sensors responded to chloride-ion activity changes with high sensitivity. The anion-sensing membranes modified chemically by an alkoxysilyl derivative of quatenary ammonium salt are superior to those simply encapsulating an ammonium salt in their durability and protein-adsorption properties. The anion sensors are applicable to chloride-ion assay in serum samples.

DOI
Cation complexation, isomerization, and photoresponsive ionic conduction of a crown ether derivative carrying two spirobenzopyran units

K Kimura, T Teranishi, M Yokoyama, S Yajima, S Miyake, H Sakamoto, M Tanaka

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 ( ROYAL SOC CHEMISTRY ) ( 2 ) 199 - 204 1999.02 [Refereed]

　View Summary

Cation complexation and subsequent isomerization of a diaza-18-crown-6 derivative possessing two spirobenzopyran units, crowned bis(spirobenzopyran), were investigated in solution and compared with those of its corresponding derivative incorporating only one spirobenzopyran unit. Complexation of multivalent metal ions, especially Ca2+ and La3+, by crowned bis(spirobenzopyran) enhanced the isomerization of the spirobenzopyran moiety to the corresponding merocyanine form due to the effective intramolecular interaction between a crown-complexed cation and two phenolate anions in the cation complexes of the merocyanine form. Significant photoinduced switching of ionic conductivity was realized in composite films containing crowned bis(spirobenzopyran) and a calcium salt.
Variation of thermodynamic parameters in the adduct formation of beta-diketonato chelates with 1,10-phenanthroline across the lanthanoid series

S Yajima, Y Hasegawa

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN ( CHEMICAL SOC JAPAN ) 71 ( 12 ) 2825 - 2829 1998.12

　View Summary

The enthalpy change in the adduct formation of tris[1-(2-thienyl)-4,4,4-trifluoro-1,3-butanedionato]lanthanoids (LnA(3)) with 1,10-phenanthroline (phen) as well as the formation constant of the adduct has been determined in chloroform across the lanthanoid series at 298 K by calorimetric titration and solvent-extraction techniques. The enthalpy change in the first adduct formation changes remarkably from light lanthanoids (endothermic) to heavy ones (exothermic), while the entropy change decreases largely from the middle to the heavy lanthanoids along with a small change from light to the middle of the series. Such a trend has been explained on the basis of the difference in the dehydration from lanthanoid(III) chelates and in the strength of the new bonding of chelates formed between tris(beta-diketonato) lanthanoid(III) and phen across the lanthanoid series.

DOI
Neutral carrier-type ion sensors based on sol-gel-derived membranes incorporating a bis(crown ether) derivative by covalent bonding

K Kimura, T Sunagawa, S Yajima, S Miyake, M Yokoyama

ANALYTICAL CHEMISTRY ( AMER CHEMICAL SOC ) 70 ( 20 ) 4309 - 4313 1998.10

　View Summary

Sol-gel-derived membranes incorporating crown ether neutral carriers by covalent bonding have been designed for durable, nontoxic neutral carrier-type ion sensors by sol-gel processing using tetraethoxysilane, diethoxydimethylsilane, and their corresponding alkoxysilylated neutral carriers. A tetraphenylborate anion was also bound chemically to the neutral carrier-type sol-gel-derived membranes for suppressing anion interference and membrane impedance. Ion-sensitive field effect transistors (ISFETs) based on the sol-gel-derived membranes modified chemically by crown ether derivatives, such as 16-crown-5 and bis(12-crown-4) derivatives, showed high performance, high sensitivity in wide cation activity ranges, short response time, and high electrode durability. Specifically, high ion selectivities of practical use in biological systems were attained in the sodium ISFETs based on the chemically modified bis(12-crown-4), which has been successfully applied to sodium assay in blood sera.

DOI
Co-ion interference for ion selective electrodes based on charged and neutral ionophores: A comparison

P Buhlmann, S Amemiya, S Yajima, Y Umezawa

ANALYTICAL CHEMISTRY ( AMER CHEMICAL SOC ) 70 ( 20 ) 4291 - 4303 1998.10

　View Summary

Interferences from co-ions, i.e., ions with a charge sign opposite to that of the measured ion, limit the upper detection limit of ion-selective electrodes (ISEs) based on electrically neutral or charged ionophores. A theoretical description based on phase boundary equilibria is used here to predict the co-ion interference (Donnan failure) of both types of ISEs quantitatively and to compare the extent of co-ion interference in these two cases. It is shown that, for practically relevant ionophore-site ratios, Donnan failure for ISEs based on electrically charged and neutral ionophore occurs at very similar co-ion concentrations if the charged and the neutral ionophores form complexes of equal stabilities and stoichiometries. With the exception of the selective complexation of the primary ion and charged ionophores, association of two or more ions such as between ionic sites and complexes has only a limited effect on co-ion interference. If relevant at all, ion pairing is predicted to affect upper detection limits more unfavorably in the case of neutral than in the case of charged ionophore-based ISEs. Experimental determination of co-ion interference for ISEs with five different charged and two electrically neutral H+ ionophores shows that co-ion interference increases as the stability of the H+ complexes increases and confirms that co-ion interferences for charged and neutral ionophore-based ISEs indeed occur to an equal extent if their H+ complexes have the same stabilities. These results corroborate the high potentiality of charged ionophore-based ISEs.

DOI
Calix[4]arene derivative bearing pi-coordinate substituents as neutral carrier for silver ion sensors

K Kimura, K Tatsumi, S Yajima, S Miyake, H Sakamoto, M Yokoyama

CHEMISTRY LETTERS ( CHEMICAL SOC JAPAN ) ( 8 ) 833 - 834 1998.08

　View Summary

Calix[4]arene tetra(allyl ether) 1 was applied as a neutral carrier of silver ion sensors, which exhibited an excellent silver ion selectivity against sodium ion, while calix[4]arene tetra(allyl ester) 2 possesses only poor silver ion selectivity with severe sodium ion interference.

DOI
Complexation of tris(beta-diketonato)lanthanoids with monodentate and bidentate Lewis bases in chloroform

Y Hasegawa, A Hirasawa, S Yajima

JOURNAL OF ALLOYS AND COMPOUNDS ( ELSEVIER SCIENCE SA ) 275 859 - 862 1998.07

　View Summary

The enthalpy change and the equilibrium constants for the formation of adducts of tris(1-(2-thienyl)-4,4,4-trifluoro-1,3-butanedionato)lanthanoids (LnA(3)) with triphenylphosphine oxide (TPPO) and 1,10-phenanthroline (phen) in chloroform across the lanthanoid series have been determined by calorimetric titration and solvent extraction techniques. The formation constants with phen increase from the light to the middle lanthanoids, and the constants do not change from the middle to the heavy lanthanoids, while the constants of the second adducts with TPPO (LnA(3)/TPPO = 1:2) decrease with increasing atomic number, although those of the first (1:1) adducts do not change much. The enthalpy change in adduct formation with phen changes remarkably from endothermic to exothermic from light to heavy lanthanoids, while the enthalpy changes with TPPO do not vary much across the series. This suggests that, in adduct formation with phen, the match between the N-N distance in phen and the size of the lanthanoids(III), as well as dehydration from LnA(3), is a significant factor in determining the stability order of the adducts, while the degree of dehydration is significant for adduct formation with TPPO. (C) 1998 Published by Elsevier Science S.A.

DOI
Syntheses and structures of trinuclear molybdenum cluster complexes [Mo3S4Cl4(C5H5N)(5)] and [Mo3S4Cl3(C5H5N)(6)]I

J Mizutani, S Yajima, H Imoto, T Saito

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN ( CHEMICAL SOC JAPAN ) 71 ( 3 ) 631 - 636 1998.03

　View Summary

A trinuclear molybdenum chloro sulfide cluster complex [Mo3S4Cl4(C5H5N)(5)] (1) was synthesized by the excision of a nonmolecular cluster compound Mo3S7Cl4 with triphenylphosphine and pyridine. Three molybdenum atoms and four sulfur atoms form an incomplete cubane-type cluster core, which is coordinated by four chloro and five pyridine ligands. By the reaction of 1 with I-2 in pyridine, [Mo3S4Cl3(C5H5N)(6)]I (2) was synthesized. Three mu-S in the cluster cation and the iodine anion have short contacts, within the sum of the van der Waals radii of sulfur and iodine.

DOI
Donnan exclusion failure of neutral ionophore-based ion-selective electrodes studied by optical second-harmonic generation

S Yajima, K Tohda, P Buhlmann, Y Umezawa

ANALYTICAL CHEMISTRY ( AMER CHEMICAL SOC ) 69 ( 10 ) 1919 - 1924 1997.05

　View Summary

Optical second harmonic generation (SHG) at the liquid-liquid interfaces of ionophore-free and neutral ionophore-incorporated membranes has been measured in the presence and absence of ionic sites in order to better understand the influence of ionic sites on the potentiometric responses of liquid membrane ion-selective electrodes. Quick and lasting EMF and SHG responses were observed upon increasing the primary ion activity in aqueous solutions in contact with membranes with ionic sites. For membranes without ionic sites, transient EMF responses due to extraction of primary ion salts occurred. They were accompanied by very similar transient changes in the SHG intensity. No EMF and SHG responses to the primary ion activity were, however, observed for site-free membranes in equilibrium with the aqueous phase, The extent of charge separation at the interfaces of such membranes, as observed by SHG from primary ions or primary ion complexes, does not depend on the primary ion activity in the aqueous phase. This explains why membranes free of ionic sites do not exhibit EMF responses and confirms that ionic sites are a necessity for counterion-independent primary ion responses of potentiometric sensors based on neutral carriers.

DOI
Ion-transfer polarographic study of the distribution of alkali and alkaline-earth metal complexes with 3m-crown-m ether derivatives (m=6,8) between water and nitrobenzene phases

Y Kudo, T Miyakawa, Y Takeda, H Matsuda, S Yajima

JOURNAL OF INCLUSION PHENOMENA AND MOLECULAR RECOGNITION IN CHEMISTRY ( KLUWER ACADEMIC PUBL ) 26 ( 4 ) 331 - 341 1996

　View Summary

Stability constants (beta(1)(NB)) of the 1 : 1 cationic complexes of Li+, Na+, K+, Ca2+, Sr2+ and Ba2+ with benzo-18-crown-6 (B18C6), Ca2+ and Sr2+ with 18C6 and dibenzo-18C6 and Li+, Na+, Ca2+, Sr2+ and Ba2+ with dibenzo-24-crown-8 in a nitrobenzene (NB) solution saturated with water (w) were determined at 25 degrees C by ion-transfer polarography. From these values, distribution constants (K-D,K-ML) Of the 18C6-derivative complex cations between the w- and NB-phases were evaluated using the thermodynamic relation: K-D,K-ML = K beta(1)(NB) where K (mol dm(-3)) is an overall equilibrium constant of the processes related to the complexation in the w-phase. The data on the distribution of the 18C6-derivative complex cations between the two phases and the complexation in the NB-phase were examined on the basis of an increase in the number of water molecules hydrated to the species relevant to these processes. The 18C6 derivatives showed higher solubilities in the NB-phase than in the w-phase by complexing with the univalent-metal ions, while, for the divalent-metal ions, the derivatives showed lower solubilities in the NB-phase.

DOI
EMF RESPONSE OF NEUTRAL-CARRIER BASED ION-SENSITIVE FIELD-EFFECT TRANSISTORS WITH MEMBRANES FREE OF IONIC SITES

P BUHLMANN, S YAJIMA, K TOHDA, Y UMEZAWA

ELECTROCHIMICA ACTA ( PERGAMON-ELSEVIER SCIENCE LTD ) 40 ( 18 ) 3021 - 3027 1995.12

　View Summary

Response characteristics of field effect transistors covered by membranes containing neutral carriers and an organic liquid but neither a polymer nor ionic sites were determined. The commercially available 2-nitrophenyl octyl ether and dioctyl sebacate, both frequently used plasticizers for poly(vinyl chloride) ISE membranes, had impurity concentrations large enough to lead to small emf responses. Upon removal of these impurities by HPLC, no emf responses were detectable any more, which seems to be due to a negligibly small permselective uptake of primary ions into the membrane and not the high impedance of the membrane bulk. The use of membranes of the more polar nitrobenzene and 2-fluoro-2'-nitrodiphenyl ether resulted in small but transient emf responses. The absence of ionic sites led however to the failure of permselectivity and resulted in co-extraction even of the highly hydrophilic chloride ions. Liquid membranes containing neutral carriers but no ionic sites are thus not only unsuitable for ISEs due to their high impedance, but also because it is very likely that either the failure of permselectivity occurs or the concentration of primary ions permselectivity entering the membrane is too small to determine the phase boundary potential.

DOI
STABILITIES IN WATER OF 1/1 LARIAT 16-CROWN-5 COMPLEXES WITH METAL-IONS - TRANSFER ACTIVITY-COEFFICIENTS FROM PROTIC TO APROTIC-SOLVENTS OF 1/1 COMPLEXES OF LARIAT AND SUBSTITUTED 16-CROWN-5 DERIVATIVES WITH METAL-IONS

Y TAKEDA, T KIMURA, S OCHIAI, S YAJIMA, Y KUDO, M OUCHI, T HAKUSHI

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS ( ROYAL SOC CHEMISTRY ) 91 ( 22 ) 4079 - 4082 1995.11

　View Summary

Stability constants (K-ML) of 1:1 complexes of 15-(2,5-dioxahexyl)-15-methyl-16-crown-5 (L16C5) with metal ions have been determined in water at 25 degrees C by conductometry and potentiometry with ion-selective electrodes. The selectivity order of L16C5 to monovalent and bivalent metal ions are Ag+ > Na+ > Tl+ > K+ and Sr2+ > Ba2+ > Pb2+, respectively. The selectivity is not altered by the side chains. The stability of the L16C5-metal ion complex in water is much lower than might be expected on the basis of the solvation power of water for the metal ion (i.e. the relative solubility of the metal ion). Transfer activity coefficients (gamma) of L16C5-Na+ and -K+ complexes from water to acetonitrile, propylene carbonate and methanol [(s) gamma(H2O)(ML(+))] were calculated from the (s) gamma(H2O)(L16C5) and K-ML values determined in this study and the literature values; s, M(+) and L denote a solvent, a monovalent metal ion, and a crown ether, respectively. (s) gamma(H2O)(ML(+)) of L16C5 is larger than (s) gamma(H2O)(L16C5) and the corresponding (s) gamma(H2O)(M(+)) values. The unexpectedly low stabilities of the L16C5-Na+ and -K+ complexes in water are due to strong hydrogen bonding between the uncomplexed L16C5 and water.

DOI
STUDIES ON THE PHASE BOUNDARIES AND THE SIGNIFICANCE OF IONIC SITES OF LIQUID MEMBRANE ION-SELECTIVE ELECTRODES

P BUHLMANN, S YAJIMA, K TOHDA, K UMEZAWA, S NISHIZAWA, Y UMEZAWA

ELECTROANALYSIS ( VCH PUBLISHERS INC ) 7 ( 9 ) 811 - 816 1995.09

　View Summary

Attenuated total reflectance infrared spectroscopy (ATR-IR) has been used to study the cation permselectivity of liquid-membrane ion-selective electrodes (ISEs). All spectroscopic evidence was found to agree with the interpretation of permselectivity as being due to complete exclusion of counter-ions from the boundary phase. Compared to ATR-IR, optical second harmonic generation (SHG) has an even more pronounced surface sensitivity. It has been demonstrated to be a promising new technique for the study of ISE response mechanisms, as it allows one to observe the actual phase boundary. On the other hand, further potentiometric evidence for the influence of ionic sites on the emf response was found, both by a study of membranes free of ionic sites as well as by the investigation of leaching processes at poly(vinyl chloride) membranes. Finally, the use of a photoresponsive crown ether ionophore allowed the determination of emf response characteristics in relation to the ionophore concentration without any changes in the membrane composition.

DOI
SYNTHESIS OF AN EQUILATERAL TRIANGULAR MOLYBDENUM CLUSTER COMPLEX [MO3(MU-3-S)2(MU-S)3(PME3)6] WITH 8 CLUSTER VALENCE-ELECTRONS

K TSUGE, S YAJIMA, H IMOTO, T SAITO

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY ( AMER CHEMICAL SOC ) 114 ( 20 ) 7910 - 7912 1992.09

DOI

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Books etc

化学センサ・バイオセンサ

矢嶋, 摂子, 長岡, 勉, 椎木, 弘, 日本分析化学会( Part： Joint author)

共立出版 2021.02 ISBN: 9784320044609

Misc

Synthesis and metal-ion binding properties of monoazathiacrown ethers

M Tanaka, M Nakamura, T Ikeda, K Ikeda, H Ando, Y Shibutani, S Yajima, K Kimura

JOURNAL OF ORGANIC CHEMISTRY ( AMER CHEMICAL SOC ) 66 ( 21 ) 7008 - 7012 2001.10

　View Summary

Synthetic procedures for monoazathiacrown ethers were explored, and monoazatrithia-12-crown-4, monoazatetrathia-15-crown-5, and monoazapentathia-18-crown-6 were obtained in moderate yields by the reaction of bis(2-chloroethyl)amine with the appropriate dithiols in the presence of lithium hydroxide in THF. To evaluate metal-ion binding properties of the monoazathiacrown ethers by solvent extraction, lipophilic dodecyl and dodecanoyl groups were incorporated onto the monoazathiacrown ethers. The solvent extraction experiments suggested that monoazathiacrown ethers have Ag+ and Hg2+ selectivities and that the relative selectivity between Ag+ and Hg2+ depends on their nitrogen atom properties and numbers of sulfur atoms reflecting the respective affinities of nitrogen and sulfur atoms to Hg2+ and Ag+. An interesting ability to bind Mg2+ was observed in the case of N-dodecyl monoazatrithia-12-crown-4.

DOI

Awards & Honors

日本分析化学会奨励賞

2001

Conference Activities & Talks

ビス(2-エチルヘキシル)スルホコハク酸ナトリウム/ポリプロピレングリコール修飾シリカナノ粒子水分散液の気-液界面レオロジーと泡沫特性の関係

青野恵太, 司馬寛也, 鈴木不律, 蓬田佳弘, 蓮見基充, 門晋平, 中原佳夫, 矢嶋摂子

日本化学会第102春季年会 2022.03.24 (オンライン)
Room-temperature Coalescence of Metal Nanoparticles by Ligand Exchange with Tri-n-Octylphosphine Oxide and Subsequent Dipping into an Organic Solvent Containing a Sintering Agent

Soichiro Okada, Yoshio Nakahara, Mitsuru Watanabe, Toshiyuki Tamai, Yasuyuki Kobayashi, Setsuko Yajima

日本化学会第102春季年会 2022.03.23 (オンライン)
Room-temperature sintering of tri-n-octylphosphine-oxide-capped silver nanoparticle paste by dipping into methanol containing a chloride salt as a sintering agent

Soichiro Okada, Yoshio Nakahara, Mitsuru Watanabe, Toshiyuki Tamai, Yasuyuki Kobayashi, Setsuko Yajima

2021 International Chemical Congress of Pacific Basin Societies 2021.12.19 (online)
Synthesis of tannic-acid-coated silica nanoparticles encapsulating Oxazine 725 and their fluorescence properties in water

Yoshio Nakahara, Yukiho Nakajima, Soichiro Okada, Jun Miyazaki, Setsuko Yajima

2021 International Chemical Congress of Pacific Basin Societies 2021.12.16 (online)
Pdナノ粒子と犠牲鋳型から室温融合により作製した多孔性Pd構造体の触媒性能の評価

岡田宗一郎, 中原佳夫, 渡辺充, 玉井聡行, 矢嶋摂子

日本分析化学会第70年会 2021.09.22 (オンライン)
プロトン解離性部位を有する蛍光性カリックス[4]アレーン誘導体を抽出剤として用いるナトリウムイオンの抽出蛍光光度定量

中原佳夫,古野雄太,矢嶋摂子

第18回ホストゲスト化学シンポジウム 2021.06.26 (オンライン)
フレキシブル基板のプラズマおよびUV処理により形成される表面改質層の特性解明とその無電解めっきへの応用

玉井聡行, 渡辺充, 小林靖之, 小畠淳平, 中原佳夫, 矢嶋摂子

第70回高分子学会年次大会 2021.05.26 (オンライン)
シード媒介成長法による近赤外蛍光色素内包シリカナノ粒子の合成とタンニン酸による機能化

中原佳夫, 中嶋幸穂, 宮崎淳, 矢嶋摂子

第81回分析化学討論会 2021.05.23 (オンライン)
近赤外蛍光色素を物理吸着で内包するシリカナノ粒子の合成とタンニン酸による被覆

中嶋幸穂, 中原佳夫, 宮崎淳, 矢嶋摂子

日本化学会第101春季年会 2021.03.21 (オンライン)
スルホベタイン誘導体を化学修飾したイオン感応膜のイオンセンサー性能と生体適合性の評価

藤井愛美, 澁谷薫, 田中睦生, 矢嶋摂子

日本化学会第101春季年会 2021.03.21 (オンライン)
Pdナノ粒子の室温融合による多孔性Pd構造体の作製と触媒性能の評価

岡田宗一郎, 中原佳夫, 渡辺充, 玉井聡行, 小林靖之, 矢嶋摂子

日本化学会第101春季年会 2021.03.21 (オンライン)
多波長励起光を備えた光熱変換顕微鏡による金ナノ粒子と銀ナノ粒子の識別の検討

中原佳夫, 宮崎淳, 家永隆史, 矢嶋摂子

日本化学会第101春季年会 2021.03.19 (オンライン)
フレキシブル基板の無電解めっきにおける高分子/金属界面の構造解明とその制御

玉井聡行, 渡辺充, 小林靖之, 小畠淳平, 中原佳夫, 矢嶋摂子

第69回高分子討論会 2020.09.18 (オンライン)
ビス(2-エチルヘキシル)スルホコハク酸ナトリウム水溶液の気-液界面レオロジー特性及び泡沫特性に対するポリプロピレングリコール添加の効果

青野恵太, 鈴木不律, 蓬田佳弘, 蓮見基充, 門晋平, 中原佳夫, 矢嶋摂子

日本分析化学会第69年会 2020.09.18 (オンライン)
焼結促進剤によるトリ-n-オクチルホスフィンオキシド修飾Cu@Agコア-シェルナノ粒子の室温融合の検討

岡田宗一郎, 中原佳夫, 渡辺充, 玉井聡行, 小林靖之, 矢嶋摂子

日本分析化学会第69年会 2020.09.18 (オンライン)
多波長励起光熱変換顕微鏡による粒子径の異なる金ナノ粒子の識別に関する検討

中原佳夫, 宮崎淳, 西中信貴, 家永隆史, 矢嶋摂子

日本分析化学会第69年会 2020.09.17 (オンライン)
プラズマ処理およびUV照射によるフレキシブル基板の表面改質とその無電解めっきへの応用

玉井聡行, 渡辺充, 小林靖之, 小畠淳平, 中原佳夫, 矢嶋摂子

第69回高分子学会年会 2020.05.27 (福岡国際会議場)
焼結剤と還元剤を含む有機溶媒中におけるCu@Agナノ粒子の融合性の検討

岡田宗一郎, 中原佳夫, 渡辺充, 玉井聡行, 小林靖之, 矢嶋摂子

日本化学会第100春季年会 2020.03.23 (東京理科大学野田キャンパス)
中空ポーラス銀ナノシェルの合成と評価

門晋平, 西浦將司, 矢嶋摂子

日本化学会第100春季年会 2020.03.23 (東京理科大学野田キャンパス)
極低濃度のポリプロピレングリコールがビス(2-エチルヘキシル)スルホコハク酸ナトリウム水溶液の気-液界面レオロジー特性に与える影響

青野恵太, 鈴木不律, 蓬田佳弘, 岡野哲也, 門晋平, 中原佳夫, 矢嶋摂子

日本化学会第100春季年会 2020.03.23 (東京理科大学野田キャンパス)
中空シリカナノロッド内部への疎水性側鎖を有するポリペプチドの導入反応の検討と水分散性の評価

岡山達哉, 中原佳夫, 矢嶋摂子

日本化学会第100春季年会 2020.03.23 (東京理科大学野田キャンパス)
多波長励起光を用いた光熱変換顕微鏡による金ナノ粒子の粒子径識別

中原佳夫, 宮崎淳, 西中信貴, 家永隆史, 矢嶋摂子

日本化学会第100春季年会 2020.03.23 (東京理科大学野田キャンパス)
Colloidal Stabilization of Quantum Dots in Water by Atom Transfer Radical Polymerization with Methoxy[oligo. (ethyleneglycol)] Methacrylate

Yoshio Nakahara, Kazuki Machiya, Hiroki Kunitsu, Mutsuo Tanaka, Setsuko Yajima

Okinawa Colloids 2019 2019.11.06 (Okinawa)
Coalescence of Tri-n-Octylphosphine-Oxide- Capped Silver Nanoparticles by the Addition of Chloride Salt in Organic Solvent at Room Temperature

Soichiro Okada, Yoshio Nakahara, Mitsuru Watanabe, Toshiyuki Tamai, Setsuko Yajima

Okinawa Colloids 2019 2019.11.06 (Okinawa)
Influence of Hydrophobic Groups in Sodium Alkylsulfates and Sodium Bis (2-ethylhexyl)sulfosuccinate on Air-Water Interfacial Dilational Viscoelasticity and Their Foam Properties

Keita Aono, Furitsu Suzuki, Yoshihiro Yomogida, Tetsuya Okano, Shinpei Kado, Yoshio Nakahara, Setsuko Yajima

Okinawa Colloids 2019 2019.11.06 (Okinawa)
UV照射と高分子電解質多層膜形成を経由するPENフィルムの表面修飾とその無電解めっきへの応用

玉井聡行, 渡辺充, 小林靖之, 小畠淳平, 中原佳夫, 矢嶋摂子

第68回高分子討論会 2019.09.25 (福井大学文京キャンパス)
スルホベタイン誘導体化学修飾ポリ塩化ビニルを膜材料とするイオンセンサーの性能と生体適合性

澁谷薫, 藤井愛美, 田中陸生, 矢嶋摂子

日本分析化学会第68年会 2019.09.13 (千葉大学西千葉キャンパス)
異なる構造の炭素鎖を有するアルキル硫酸ナトリウムの混合水溶液における界面粘弾性と泡沫特性の関係

青野恵太, 鈴木不律, 蓬田佳弘, 岡野哲也, 門晋平, 中原佳夫, 矢嶋摂子

日本分析化学会第68年会 2019.09.13 (千葉大学西千葉キャンパス)
L-アルギニンをゾル-ゲル反応の触媒として用いるシリカナノ粒子への近赤外蛍光色素固定化の検討

中嶋幸穂, 中原佳夫, 矢嶋摂子

日本分析化学会第68年会 2019.09.13 (千葉大学西千葉キャンパス)
アスコルビン酸を用いる硫化銅ナノ粒子の合成とプラズモン共鳴波長制御の検討

田村聖志, 門晋平, 矢嶋摂子

日本分析化学会第68年会 2019.09.11 (千葉大学西千葉キャンパス)
デンドライト状銀ナノ粒子の特異な局在表面プラズモン共鳴とその離散双極子近似シミュレーション

門晋平, 中野結子, 矢嶋摂子

日本分析化学会第68年会 2019.09.11 (千葉大学西千葉キャンパス)
有機溶媒中における焼結促進剤を用いたトリ-n-オクチルホスフィンオキシド修飾銀ナノ粒子の室温焼結

岡田宗一郎, 中原佳夫, 渡辺充, 玉井聡行, 小林靖之, 矢嶋摂子

日本分析化学会第68年会 2019.09.11 (千葉大学西千葉キャンパス)
中空銀ナノシェルの屈折率感度に及ぼす粒子形状の影響と基板への固定化の検討

村上大夢, 門晋平, 矢嶋摂子

日本分析化学会第68年会 2019.09.11 (千葉大学西千葉キャンパス)
プラズマ処理およびUV照射を経由するPENフィルムの表面修飾とその無電解めっきへの応用

玉井聡行, 渡辺充, 小林靖之, 小畠淳平, 中原佳夫, 矢嶋摂子

第68回高分子学会年会 2019.05.30 (大阪府立国際会議場)
2-ブロモ-2-メチルプロパンアミド部位を有する溶媒分散性シリカナノ粒子の合成と原子移動ラジカル重合反応の検討

中原佳夫, 城谷直也, 横山翔太郎, 矢嶋摂子, 木村恵一

第68回高分子学会年会 2019.05.30 (大阪府立国際会議場)
ビス(2-エチルヘキシル)スルホコハク酸ナトリウム／アルキル硫酸ナトリウム混合水溶液における炭素鎖長が気－液界面粘弾性挙動に与える影響

青野恵太, 鈴木不律, 蓬田佳弘, 岡野哲也, 門晋平, 中原佳夫, 矢嶋摂子

日本化学会第99春季年会 2019.03.18 (甲南大学岡本キャンパス)
Room-Temperature Sintering of Tri-n-octylphosphine-oxide-capped Silver Nanoparticles Using Chloride Salt as Sintering Agent

Yoichiro Okada, Toshio Nakahara, Mitsuru Watanabe, Toshiyuki Tamar, Yasuyuki Kobayashi, Setsuko Yajima

The 99th CSJ Annual Meeting 2019.03.16 (甲南大学岡本キャンパス)
スルホベタイン誘導体を化学修飾した可塑化ポリ塩化ビニル膜の同定とイオンセンサー性能の評価

澁谷薫, 田中睦生, 矢嶋摂子

日本化学会第99春季年会 2019.03.16 (甲南大学岡本キャンパス)
アスコルビン酸ナトリウムを用いるチオシアン酸銀の還元によるデンドライト状銀ナノ粒子の合成

中野結子, 門晋平, 矢嶋摂子

日本化学会第99春季年会 2019.03.16 (甲南大学岡本キャンパス)
中空銀ナノシェルの形状変化に影響を及ぼす速度論的因子

西浦將司, 門晋平, 矢嶋摂子

日本化学会第99春季年会 2019.03.16 (甲南大学岡本キャンパス)
チオシアン酸銀の還元による銀クラスター形成を介した中空銀ナノシェル生成の反応速度定数の温度依存性

西浦將司, 門晋平, 矢嶋摂子

日本化学会第99春季年会 2019.03.16 (甲南大学岡本キャンパス)
トリ-n-オクチルホスフィンオキシドを用いる銀ナノ粒子の配位子交換と銀の融合性の評価

岡田宗一郎, 中原佳夫, 渡辺充, 玉井聡行, 矢嶋摂子

日本分析化学会第67年会 2018.09.14 (東北大学川内北キャンパス)
ジ‐2‐スルホこはく酸ナトリウム/アルキル硫酸ナトリウム混合水溶液における疎水基の構造が界面粘弾性挙動に与える影響

青野恵太, 鈴木不律, 蓬田佳弘, 岡野哲也, 門晋平, 中原佳夫, 矢嶋摂子

日本分析化学会第67年会 2018.09.14 (東北大学川内北キャンパス)
中空銀ナノシェル生成の自己触媒反応モデルに基づく速度論的解析と反応機構の提案

西浦將司, 門晋平, 矢嶋摂子

日本分析化学会第67年会 2018.09.12 (東北大学川内北キャンパス)
スルホベタイン誘導体化学修飾ポリ塩化ビニルを膜材料とするイオンセンサーのアルキル鎖長がセンサー性能へ及ぼす影響

澁谷薫, 田中陸生, 矢嶋摂子

日本分析化学会第67年会 2018.09.12 (東北大学川内北キャンパス)
中空銀ナノシェルの屈折率感度の評価とプラズモン共鳴波長に対する依存性

門晋平, 高岡和也, 矢嶋摂子

日本分析化学会第67年会 2018.09.12 (東北大学川内北キャンパス)
フレキシブル基板の無電解めっきにおける高分子／金属界面の微細構造制御

玉井聡行, 渡辺充, 小林靖之, 小畠淳平, 中原佳夫, 矢嶋摂子, 姜俊行, 喜多あずさ

第67回高分子討論会 2018.09.12 (名古屋国際会議場)
生体試料の測定を目指した生体適合性材料を用いるイオンセンサーの開発

矢嶋摂子 [Invited]

日本分析化学会第67年会 2018.09.12 (東北大学川内北キャンパス)
原子移動ラジカル重合を用いて合成した高分子被覆セレン化銀量子ドットの水溶液中における分散安定性

中原佳夫, 国津洋希, 尾崎信彦, 田中陸生, 矢嶋摂子

第78回分析化学討論会 2018.05.27 (山口大学)
PENフィルムの無電解めっきのための高分子電解質多層膜形成による表面修飾

玉井聡行, 渡辺充, 小林靖之, 中原佳夫, 矢嶋摂子

第67回高分子学会年会 2018.05.24 (名古屋国際会議場)
Formation of diode containing LbL film at its p-n interface by electrodeposition

渡辺充, 玉井聡行, 中原佳夫, 矢嶋摂子

日本化学会第98春季年会 2018.03.20 (日本大学船橋キャンパス)
配位子交換反応が銀ナノ粒子の結晶子サイズへ与える影響

岡田宗一郎, 中原佳夫, 家永隆史, 渡辺充, 玉井聡行, 矢嶋摂子

日本化学会第98春季年会 2018.03.20 (日本大学船橋キャンパス)
チオシアン酸銀の還元による中空銀ナノシェル生成反応のAvramiモデルに基づく速度論的解析

西浦將司, 門晋平, 矢嶋摂子

日本化学会第98春季年会 2018.03.20 (日本大学船橋キャンパス)
中空銀ナノシェル-ナイルレッド複合体におけるプラズモン-エキシトンカップリング

宮路優実, 味村知香, 門晋平, 矢嶋摂子

日本化学会第98春季年会 2018.03.20 (日本大学船橋キャンパス)
チオシアン酸銀の還元による中空銀ナノシェル生成反応の速度論的解析：チオシアン酸イオン濃度が反応速度に及ぼす影響

西浦將司, 門晋平, 矢嶋摂子

日本分析化学会第65年会 2017.09.10 (東京理科大学葛飾キャンパス)
中空銀ナノシェルの特異な消光スペクトル変化の離散双極子近似シミュレーションに基づく解析

門晋平, 西浦將司, 矢嶋摂子

日本分析化学会第65年会 2017.09.10 (東京理科大学葛飾キャンパス)
プラズマ処理と高分子電解質多層膜形成によるPENフィルム表面の修飾とその無電解めっきへの応用

玉井聡行, 渡辺充, 中原佳夫, 矢嶋摂子

第66回高分子学会年会 2017.05.31 (幕張メッセ)
原子移動ラジカル重合に基づく中空シリカナノロッド内部へのアントラセン部位の導入法の開発

斎藤聖, 中原佳夫, 矢嶋摂子

第77回分析化学討論会 2017.05.28 (龍谷大学)
有機リン化合物修飾シリカゲルを用いる白金吸着の検討

明剛史, 矢嶋摂子

第77回分析化学討論会 2017.05.28 (龍谷大学)
リン酸銀を前駆体とする銀ナノシェルの合成と評価

古谷雄哉, 門晋平, 矢嶋摂子

第77回分析化学討論会 2017.05.27 (龍谷大学)
流動油面上真空蒸着法および熱分解法で合成された銀ナノ粒子のオレイン酸からオクタン酸への配位子交換反応の比較検討

岡田宗一郎, 中原佳夫, 家永隆史, 渡辺充, 玉井聡行, 矢嶋摂子

第77回分析化学討論会 2017.05.27 (龍谷大学)
チオシアン酸銀の還元による中空銀ナノシェル生成反応の速度論的解析と反応機構の検討

西浦將司, 門晋平, 矢嶋摂子

第77回分析化学討論会 2017.05.27 (龍谷大学)
金ナノロッド近傍の多孔性シリカ層への近赤外蛍光色素の固定化と発光増強効果

津多貴也, 中原佳夫, 玉井聡行, 矢嶋摂子

第77回分析化学討論会 2017.05.27 (龍谷大学)
スルホベタイン誘導体化学修飾ポリ塩化ビニル膜を膜材料とするイオン感応膜のセンサー性能

澁谷薫, 新谷望, 石垣裕真, 田中睦生, 矢嶋摂子

第77回分析化学討論会 2017.05.27 (龍谷大学)
2-テノイルトリフルオロアセトン誘導体を化学修飾したシリカゲルによるネオジムの吸着および回収の検討

橋本隼, 岩橋香純, 矢嶋摂子

第77回分析化学討論会 2017.05.27 (龍谷大学)
流動油面上真空蒸着法および熱分解法で合成されたオレイン酸修飾銀ナノ粒子の配位子交換反応の比較検討

岡田宗一郎, 中原佳夫, 家永隆史, 渡辺充, 玉井聡行, 矢嶋摂子, 木村恵一

日本化学会第97春季年会 2017.03.18 (慶應大学日吉キャンパス)
チオシアン酸銀の還元による中空銀ナノシェルの生成と形状変化の速度論的解析

西浦將司, 門晋平, 矢嶋摂子

日本化学会第97春季年会 2017.03.18 (慶應大学日吉キャンパス)
ハロゲン化銀の還元による中空銀ナノシェルの合成の検討と評価

古谷雄哉, 門晋平, 矢嶋摂子

日本化学会第97春季年会 2017.03.17 (慶應大学日吉キャンパス)
ホスホリルコリン誘導体化学修飾ポリ塩化ビニルを用いたニュートラルキャリヤ型イオンセンサー

新谷望, 石垣裕真, 澁谷薫, 田中睦生, 矢嶋摂子

日本分析化学会第64年会 2016.09.16 (北海道大学札幌キャンパス)
プラズモン電場増強のためのキューブ型中空銀ナノシェルの合成と形状評価

古谷雄哉, 門晋平, 矢嶋摂子

日本分析化学会第64年会 2016.09.14 (北海道大学札幌キャンパス)
流動油面上真空蒸着法で製造された銀ナノ粒子表面におけるオレイン酸からオクタン酸への配位子交換反応の検討

中原佳夫, 岡田宗一郎, 家永隆史, 渡辺充, 玉井聡行, 矢嶋摂子, 木村恵一

日本分析化学会第64年会 2016.09.14 (北海道大学札幌キャンパス)
中空銀ナノシェルの簡便合成とプラズモンセンシングへの応用

門晋平, 横峯翔一, 古谷雄哉, 矢嶋摂子, 木村恵一

第76回分析化学討論会 2016.05.29 (岐阜薬科大学)
金ナノロッド近傍の多孔性シリカ層への色素の固定化による近赤外蛍光センサー材料の開発

中原佳夫, 武田涼子, 津多貴也, 玉井聡行, 矢嶋摂子, 木村恵一 [Invited]

第76回分析化学討論会 2016.05.28 (岐阜薬科大学)
リン酸銀コロイドを前駆体とする中空銀ナノシェルの合成と評価

古谷雄哉, 門晋平, 矢嶋摂子

日本化学会第96年会 2016.03 (同志社大学京田辺キャンパス)
オリゴエチレングリコール誘導体化学修飾ゾルーゲル感応膜の性能評価

石垣裕真, 矢嶋摂子, 田中睦生, 木村恵一

日本化学会第96年会 2016.03 (同志社大学京田辺キャンパス)
流動油面上真空蒸着法を用いて合成された銀ナノ粒子表面におけるオレイン酸の吸着状態の分析

家永隆史, 中原佳夫, 渡辺充, 玉井聡行, 矢嶋摂子, 木村恵一

日本化学会第96年会 2016.03 (同志社大学京田辺キャンパス)
プロトン解離型蛍光性カリックス[4]アレーンを抽出剤として用いるナトリウムイオンの抽出蛍光光度定量

中原佳夫, 古野雄太, 岩本仁志, 矢嶋摂子, 木村恵一

日本分析化学会第64年会 2015.09 (九州大学伊都キャンパス)
流動油面上真空蒸着法を用いて製造されたオレイン酸修飾銀ナノ粒子の配位子交換の検討

家永隆史, 中原佳夫, 玉井聡行, 矢嶋摂子, 木村恵一

日本分析化学会第64年会 2015.09 (九州大学伊都キャンパス)
銀ナノ粒子の局在表面プラズモン吸収を用いるL-システインの簡易比色検出

早田兼三, 門晋平, 矢嶋摂子, 木村恵一

日本分析化学会第64年会 2015.09 (九州大学伊都キャンパス)
生体試料のイオン定量のためのオリゴエチレングリコール誘導体化学修飾ゾルーゲル感応膜の開発

石垣裕真, 矢嶋摂子, 田中睦生, 木村恵一

日本分析化学会第64年会 2015.09 (九州大学伊都キャンパス)

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Patents

イオン感応膜、イオン選択性電界効果型トランジスタ、イオンセンサ

Patent no： 4195938

Date registered： 2008.10.10

Date applied： 2005.07.28 （特願2005-219379 ） Publication date： 2007.02.08 （特開2007-33333 ）

Inventor(s)/Creator(s)：木村恵一、矢嶋摂子、大崎秀介 Applicant：国立大学法人和歌山大学
光散乱フィルム及び画像表示装置

Date applied： 2022.03.22 （特願2022-045090 ） Publication date： 2022.10.17 （特開2022-159033 ）

Inventor(s)/Creator(s)：門　晋平、矢嶋摂子、松浦拓哉、小松慶史、原田好寛
中空銀粒子分散液の製造方法

Date applied： 2021.10.20 （特願2021-171719 ）

Inventor(s)/Creator(s)： 20230502 Applicant：国立大学法人和歌山大学
イオン感応膜、イオンセンサ

Date applied： 2010.06.10 （特願2010-132635 ） Publication date： 2011.12.22 （特開2011-257287 ）

Inventor(s)/Creator(s)：木村恵一、矢嶋摂子、高見健人 Applicant：国立大学法人和歌山大学

KAKENHI

生体試料測定のための生体適合性化合物を化学結合したイオンセンサー用感応膜の開発

2018.04

-

2021.03

Grant-in-Aid for Scientific Research(C) Principal investigator
超分子構造を利用した新規感応膜を用いるイオンセンサーの開発と応答機構の解明

2011.04

-

2014.03

Grant-in-Aid for Scientific Research(C) Principal investigator
希土類金属イオン親和性を示すフォトクロミック配位子の分子設計と応用

2008.04

-

2009.03

Grant-in-Aid for Special Purposes Co-investigator
希土類金属イオン親和性を示すフォトクロミック配位子の分子設計と応用

2007.04

-

2008.03

Grant-in-Aid for Scientific Research on Priority Areas Co-investigator
有機・無機複合材料を膜材料とするイオンセンサーの開発

2004.04

-

2006.03

Grant-in-Aid for Scientific Research(C) Principal investigator
親水性アニオンを対象とするニュートラルキャリヤ型イオンセンサーの設計

2002.04

-

2004.03

Grant-in-Aid for Young Scientists(B) Principal investigator
ニュートラルキャリア型イオンセンサー用感応膜母剤としての生体適合性材料の検討

1999.04

-

2001.03

奨励研究（A） Principal investigator

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Public Funding (other government agencies of their auxiliary organs, local governments, etc.)

生体適合性をもつイオンセンサーの開発

1999.04

-

2000.03

Principal investigator

Joint or Subcontracted Research with foundation, company, etc.

イオン感応物質を導入したゾル－ゲルガラスのFETチップ上への塗布手法の検討

2023.01

-

2023.04

Joint research Principal investigator
イオン感応物質を導入したゾルゲルガラスの合成とその評価

2022.12

-

2023.03

Academic instruction Principal investigator
金属ナノ粒子を用いた分析および観察手法に関する応用研究

2022.05

-

2024.03

Joint research Co-investigator
金属ナノ粒子を用いた分析および観察手法に関する研究

2021.07

-

2022.01

Joint research Co-investigator
アロマオイルの利用技術および性能評価に関する研究

2021.07

-

2022.01

Joint research Co-investigator
界面レオロジー制御に関する研究

2021.06

-

2024.06

Joint research Principal investigator

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Instructor for open lecture, peer review for academic journal, media appearances, etc.

2024年度代議員

2023.10.28

-

2024.11.01

公益社団法人日本化学会　（近畿支部）

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「学協会、政府、自治体等の公的委員」以外の委員

本会は、個人正会員及び教育会員の中から概ね100人の中から1人の割合で選出
される代議員をもって、根拠法となる法律上の社員といたします。
社員（代議員）とは、社員総会の構成員として、役員の選任・解任、計算書類
の承認など法人の組織、運営に関する基本的事項について議決権を行使する方
です。
つきましては、貴殿を下記のとおり2024年度「代議員」としてご委嘱した
く、ご承諾くださいますようお願い申し上げます。
なお、社員総会にご出席できない場合は、委任状または議決権行使書をお送り願います。
出前講義の講師

2021.07.17

開智高等学校

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講演講師

令和３年７月１７日に本校主催「開智オープンセミナー」において
高校生対象に出前講義の講師をお願いします。
１１：００～１２：００の６０分。
題目「身近にある化学のはなし」。
通信アプリ「ＺＯＯＭ」を用いてのオンライン開催です。
文部科学省主催「第10回サイエンス・インカレ」審査員

2020.11.24

-

2021.03.31

株式会社サンク

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審査員

文部科学省主催「第10回サイエンス・インカレ」（学生の研究発表）の書類審査及びオンライン審査（未定）
セミナー講師

2019.07.13

進路研究会「開智オープンセミナー」

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講演講師等

セミナー講師,任期:2019年7月～
公開体験学習会

2007.04

和歌山大学　学生自主創造科学センター

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公開講座・講演会の企画・講師等

公開体験学習会の実施委員長として,企画,準備,運営などに携わった。,日付:2006.4～2008.3
公開体験学習会

2006.04

和歌山大学　学生自主創造科学センター

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公開講座・講演会の企画・講師等

公開体験学習会の実施委員長として,企画,準備,運営などに携わった。,日付:2006.4～2008.3

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Committee member history in academic associations, government agencies, municipalities, etc.

和歌山県発明考案表彰審査会委員

2024.01.22

-

2024.03.31

和歌山県

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学協会、政府、自治体等の公的委員

和歌山県発明考案表彰受講者選考にあたり、専門的な知見を活かし候補者の発明内容等について審査いただく。
和歌山県環境衛生研究センター評価委員

2023.04.01

-

2025.03.31

和歌山県

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学協会、政府、自治体等の公的委員

和歌山県環境衛生研究センターが実施する調査研究に係る課題の審査事務
和歌山県リサイクル製品認定審査会委員

2023.04.01

-

2025.03.31

和歌山県

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学協会、政府、自治体等の公的委員

和歌山県認定リサイクル製品の認定審査
和歌山県発明考案表彰審査会委員

2023.01.01

-

2023.03.31

和歌山県

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学協会、政府、自治体等の公的委員

和歌山県発明考案表彰受賞者選考にあたり、専門的な知見を活かし候補者の発明内容等について審査いただく。
2023年度代議員

2022.10.29

-

2023.10.27

公益社団法人日本化学会

　View Details

学協会、政府、自治体等の公的委員

本会は、個人正会員及び教育会員の中から概ね100人の中から1人の割合で選出される代議員をもって、根拠法となる法律上の社員といたします。
社員（代議員）とは、社員総会の構成員として、役員の選任・解任、計算書類の承認など法人の組織、運営に関する基本的事項について議決権を行使する方です。
つきましては、貴殿を下記のとおり2023年度「代議員」としてご委嘱したく、ご承諾くださいますようお願い申し上げます。
なお、社員総会にご出席できない場合は、委任状または議決権行使書をお送り願います。
和歌山県発明考案表彰審査会委員

2022.01.01

-

2022.03.31

和歌山県

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学協会、政府、自治体等の公的委員

令和３年度和歌山県発明考案表彰受賞者の選考
2022年度代議員

2021.10.30

-

2022.10.28

公益社団法人日本化学会　（近畿支部）

　View Details

学協会、政府、自治体等の公的委員

本会は、個人正会員及び教育会員の中から概ね100人の中から1人の割合で選出される代議員をもって、根拠法となる法律上の社員といたします。
社員（代議員）とは、社員総会の構成員として、役員の選任・解任、計算書類の承認など法人の組織、運営に関する基本的事項について議決権を行使する方です。
つきましては、貴殿を下記のとおり２０２２年度「代議員」としてご委嘱したく、ご承諾くださいますようお願い申し上げます。
なお、社員総会にご出席できない場合は、委任状または議決権行使書をお送り願います。
和歌山県リサイクル製品認定審査会委員

2021.09.01

-

2023.03.31

和歌山県

　View Details

学協会、政府、自治体等の公的委員

和歌山県リサイクル製品認定適否について、知事への意見具申
和歌山県環境衛生研究センター評価委員

2021.04.01

-

2023.03.31

和歌山県

　View Details

学協会、政府、自治体等の公的委員

和歌山県環境衛生研究センターが実施する調査研究に係る課題についての審査に関する事務
審査委員

2019.12

-

2020.03

第9回サイエンス・インカレ

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国や地方自治体、他大学・研究機関等での委員

審査委員,任期:2019年12月～2020年3月
委員

2019.12

-

2020.03

令和元年度和歌山県発明考案表彰審査会

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国や地方自治体、他大学・研究機関等での委員

委員,任期:2019年12月～2020年3月
委員

2019.06

-

2021.03

和歌山県リサイクル製品認定審査会

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国や地方自治体、他大学・研究機関等での委員

委員,任期:2019年6月～2021年3月
委員

2019.04

-

2021.03

和歌山県環境衛生研究センター評価委員会

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国や地方自治体、他大学・研究機関等での委員

委員,任期:2019年4月～2021年3月
委員

2018.12

-

2019.03

平成30年度和歌山県発明考案表彰審査会

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国や地方自治体、他大学・研究機関等での委員

委員,任期:2018年12月～2019年3月
委員

2018.12

-

2019.03

第8回サイエンス・インカレ審査

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国や地方自治体、他大学・研究機関等での委員

委員,任期:2018年12月～2019年3月
審査員

2018.07

-

Now

平成30年度先駆的産業技術研究開発支援事業の事業選定に係る書面審査

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国や地方自治体、他大学・研究機関等での委員

審査員,任期:2018年7月～
近畿支部幹事

2018.03

-

2020.02

日本分析化学会

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学協会、政府、自治体等の公的委員

近畿地方の分析化学の普及,振興のために,活動をしている。,任期:2018.3～2020.2
委員

2018.01

-

2018.03

平成29年度和歌山県発明考案表彰審査会

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国や地方自治体、他大学・研究機関等での委員

委員,任期:2018年１月～2018年３月
審査員

2017.12

-

2018.03

文部科学省「平成29年度第7回サイエンス・インカレ」（学生による自主研究の祭典）

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国や地方自治体、他大学・研究機関等での委員

審査員,任期:2017年１２月～2018年３月
委員

2017.04

-

2019.03

和歌山県リサイクル製品認定審査会

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国や地方自治体、他大学・研究機関等での委員

委員,任期:2017年４月～2019年３月
和歌山県環境衛生研究センター評価委員

2017.04

-

2019.03

和歌山県環境衛生研究センター評価委員

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国や地方自治体、他大学・研究機関等での委員

和歌山県環境衛生研究センター評価委員,任期:2017年４月～2019年３月
審査員

2016.12

-

2017.03

第6回サイエンス・インカレ審査員

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国や地方自治体、他大学・研究機関等での委員

審査員,任期:2016年12月-2017年3月
委員

2016.04

-

2017.03

平成28年度和歌山県発明考案表彰審査会の委員の委嘱について

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国や地方自治体、他大学・研究機関等での委員

委員,任期:2016年4月-2017年3月
近畿支部常任幹事

2016.03

-

2018.02

日本分析化学会

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学協会、政府、自治体等の公的委員

近畿地方の分析化学の普及,振興のために,活動をしている。,任期:2016.3〜2018.2
委員

2015.12

-

2016.11

科学研究費委員会

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国や地方自治体、他大学・研究機関等での委員

委員,任期:2015/12/01～2016/11/30
委員

2015.11

-

2016.03

文部科学省「平成２７年度第５回サイエンス・インカレ」（学生による自主研究の祭典）

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国や地方自治体、他大学・研究機関等での委員

委員,任期:2015/11/30～2016/03/06
委員

2015.05

-

2017.03

和歌山県リサイクル製品認定審査会

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国や地方自治体、他大学・研究機関等での委員

委員,任期:2015/05/25～2017/03/31
委員

2015.05

-

2017.03

和歌山県環境衛生研究センター評価委員会

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国や地方自治体、他大学・研究機関等での委員

委員,任期:2015/05/01～2017/03/31
委員

2014.12

-

2015.11

科学研究費委員会

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国や地方自治体、他大学・研究機関等での委員

委員,任期:2014/12/01～2015/11/30
専門委員

2014.12

-

2015.11

科学研究費委員会

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国や地方自治体、他大学・研究機関等での委員

専門委員,任期:2014/12/01～2015/11/30
審査員

2014.12

-

2015.03

文部科学省　平成26年度　第4回サイエンス・インカレ

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国や地方自治体、他大学・研究機関等での委員

審査員,任期:2014/12/26～2015/03/01
実行委員

2013.01

-

2013.05

ホスト-ゲスト・超分子化学研究会

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学協会、政府、自治体等の公的委員

第10回ホスト・ゲスト化学シンポジウム,任期:2013.1〜2013.5
近畿支部幹事

2009.03

-

2011.02

日本化学会

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学協会、政府、自治体等の公的委員

近畿地方の化学の普及,振興のために,講演会の企画などの活動をしている。,任期:2009.3～2011.2
産学官研究交流会研究主査

2003.04

-

2005.03

和歌山産業振興財団

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国や地方自治体、他大学・研究機関等での委員

産学官研究交流会研究主査 ,任期:2003.4～2005.3
近畿支部幹事

2001.04

-

2016.02

日本分析化学会

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学協会、政府、自治体等の公的委員

近畿地方の分析化学の普及,振興のために,活動をしている。,任期:2001.4～2016.2
産学官研究交流会研究主査

2001.04

-

2003.03

和歌山県中小企業振興公社

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学協会、政府、自治体等の公的委員

学協会、政府、自治体等の公的委員,任期:2001.4～2003.3

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