Takamasa Sagara: search on Z-Library

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1

Electrowetting of Hydrofluoroether Liquid Droplet at a Gold Electrode/Water Interface: Significance of Lower Adhesion Energy and Static Friction Energy

Morooka, Tetsuro, Sagara, Takamasa

Journal:

Year:

2020

File:

PDF, 2.01 MB

2020

2

Cover Picture

Naotoshi Nakashima, Tatsuyoshi Ishii, Masaharu Shirakusa, Takashi Nakanishi, Hiroto Murakami, Takamasa Sagara

Journal:

Chemistry - A European Journal

Year:

2001

File:

PDF, 20 KB

2001

3

A dialkyl viologen ionic liquid: X-ray crystal structure analysis of bis(trifluoromethane sulfonyl)imide salts

Tahara, Hironobu, Furue, Yutaro, Suenaga, Chie, Sagara, Takamasa

Journal:

Crystal Growth & Design

Year:

2015

Language:

english

File:

PDF, 763 KB

english, 2015

4

Formation of Single-Walled Carbon Nanotube Thin Films on Electrodes Monitored by an Electrochemical Quartz Crystal Microbalance

Naotoshi Nakashima, Hideaki Kobae, Takamasa Sagara, Hiroto Murakami

Journal:

Year:

2002

Language:

english

File:

PDF, 120 KB

english, 2002

5

An electroreflectance and photoelectrochemical study of hypericin at bare and modified gold electrodes

Takamasa Sagara, Hirofumi Kawamura, Kaori Ezoe, Naotoshi Nakashima

Journal:

Journal of Electroanalytical Chemistry

Year:

1998

Language:

english

File:

PDF, 143 KB

english, 1998

6

Voltammetric and Electroreflectance Study of Thiol-Functionalized Viologen Monolayers on Polycrystalline Gold: Effect of Anion Binding to a Viologen Moiety

Sagara, Takamasa, Maeda, Hidehiro, Yuan, Yi, Nakashima, Naotoshi

Journal:

Year:

1999

Language:

english

File:

PDF, 107 KB

english, 1999

7

Editor's Note

Sagara, Takamasa

Journal:

Review of Polarography

Year:

2011

File:

PDF, 771 KB

2011

8

Effect of bromide adsorption on electrowetting of Au electrode with hexadecane

Morooka, Tetsuro, Tahara, Hironobu, Sagara, Takamasa

Journal:

Electrochimica Acta

Year:

2017

Language:

english

File:

PDF, 1.10 MB

english, 2017

9

Structure and Electrochemistry of Self-Organized Fullerene–Lipid Bilayer Films

Takashi Nakanishi, Makoto Morita, Hiroto Murakami, Takamasa Sagara, Naotoshi Nakashima

Journal:

Chemistry - A European Journal

Year:

2002

Language:

english

File:

PDF, 198 KB

english, 2002

10

Catalytic reduction of organohalides at hemin and hemin–imidazole polymer films on pyrolytic graphite electrodes

Naotoshi Nakashima, Takeshi Tokunaga, Hiroki Owaki, Hiroto Murakami, Takamasa Sagara

Journal:

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year:

2000

Language:

english

File:

PDF, 174 KB

english, 2000

11

Measurement of electron energy of semiconductor particles dispersed in aqueous solution

Sagara, Takamasa., Aikawa, Yoshihiro., Sukigara, Mitsunori.

Journal:

Journal of Physical Chemistry

Year:

1987

Language:

english

File:

PDF, 602 KB

english, 1987

12

Surface processes and adsorption states of methylene blue at graphite electrode surfaces in an acidic medium: an electroreflectance study

Sagara, Takamasa, Niki, Katsumi

Journal:

Year:

1993

Language:

english

File:

PDF, 950 KB

english, 1993

13

Potential-dependent morphological change of n-hexadecane small droplets on a Au(1 1 1) electrode in aqueous solution: A voltammetric and electrochemical fluorescence microscopic study

Morooka, Tetsuro, Murakawa, Shoma, Konomi, Azusa, Goto, Daisaku, Sagara, Takamasa

Journal:

Journal of Electroanalytical Chemistry

Year:

2016

Language:

english

File:

PDF, 1.24 MB

english, 2016

14

Electroreflectance studies of adsorbed species on electrode surfaces.

SAGARA, Takamasa, SATO, Hisakuni, NIKI, Katsumi

Journal:

Year:

1991

File:

PDF, 907 KB

1991

15

A Message from Editor-in-Chief

Sagara, Takamasa

Journal:

Review of Polarography

Year:

2008

File:

PDF, 366 KB

2008

16

Voltammetric study of adsorption layers of various 4-pyridyl terminated surfactants on a Au(1 1 1) electrode: Effects of electronic property of pyridyl group and intermolecular hydrogen bonding upon potential-driven phase changes

Kohei Uematsu, Takamasa Sagara

Journal:

Journal of Electroanalytical Chemistry

Year:

2008

Language:

english

File:

PDF, 905 KB

english, 2008

17

Molecular Structure Dependence of the Phase Transition Spike Response of Viologens at an HOPG Electrode Using Bisviologen and Carboxylated Viologen

Sagara, Takamasa, Fujihara, Yuka, Tada, Takuro

Journal:

Journal of The Electrochemical Society

Year:

2005

Language:

english

File:

PDF, 446 KB

english, 2005

18

Construction and Electrochemistry of Langmuir-Blodgett Films of Fullerene Lipid Composite/Hybrid Materials

Nakanishi, Takashi, Kozai, Hidetoshi, Morita, Makoto, Murakami, Hiroto, Sagara, Takamasa, Ariga, Katsuhiko, Nakashima, Naotoshi

Journal:

Journal of Nanoscience and Nanotechnology

Year:

2006

Language:

english

File:

PDF, 404 KB

english, 2006

19

Measurements of Dynamics of Electrode Surface Processes Using In Situ Reflectance Spectroscopies

SAGARA, Takamasa

Journal:

Review of Polarography

Year:

1998

Language:

english

File:

PDF, 1.54 MB

english, 1998

20

Regulation of the redox order of four hemes by pH in cytochrome C3 from D. vulgaris Miyazaki F

Jang-Su Park, Tomoaki Ohmura, Katsuhiro Kano, Takamasa Sagara, Katsumi Niki, Yoshimasa Kyogoku, Hideo Akutsu

Journal:

Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology

Year:

1996

Language:

english

File:

PDF, 836 KB

english, 1996

21

Faradaic Phase Transition of Dibenzyl Viologen on an HOPG Electrode Surface Studied by In Situ Electrochemical STM and Electroreflectance Spectroscopy

Higashi, Tomohiro, Shigemitsu, Yasuhiro, Sagara, Takamasa

Journal:

Year:

2011

Language:

english

File:

PDF, 3.26 MB

english, 2011

22

Remarkable effect of bromide ion upon two-dimensional faradaic phase transition of dibenzyl viologen on an HOPG electrode surface: Emergence of two-step transition

Higashi, Tomohiro, Sagara, Takamasa

Journal:

Electrochimica Acta

Year:

2013

Language:

english

File:

PDF, 2.25 MB

english, 2013

23

Spectroelectrochemical study of the redox reaction mechanism of cytochrome c at a gold electrode in a neutral solution in the presence of 4,4'-bipyridyl as a surface modifier

Sagara, Takamasa., Murakami, Hikaru., Igarashi, Satoshi., Sato, Hisakuni., Niki, Katsumi.

Journal:

Year:

1991

Language:

english

File:

PDF, 813 KB

english, 1991

24

Design, synthesis and photophysical properties of C60-modified proteins

Murakami, Hiroto, Matsumoto, Rika, Okusa, Yuko, Sagara, Takamasa, Fujitsuka, Mamoru, Ito, Osamu, Nakashima, Naotoshi

Journal:

Journal of Materials Chemistry

Year:

2002

Language:

english

File:

PDF, 235 KB

english, 2002

25

Electron transfer reaction of electron transfer proteins.

Niki, Katsumi, Sagara, Takamasa

Journal:

Year:

1990

File:

PDF, 2.85 MB

1990

26

Editor's Note

Sagara, Takamasa

Journal:

Review of Polarography

Year:

2009

File:

PDF, 1.07 MB

2009

27

Editor's Note

Sagara, Takamasa

Journal:

Review of Polarography

Year:

2010

File:

PDF, 1.01 MB

2010

28

UV–visible transmission–absorption spectral study of Au nanoparticles on a modified ITO electrode at constant potentials and under potential modulation

Ayumi Toyota, Naotoshi Nakashima, Takamasa Sagara

Journal:

Journal of Electroanalytical Chemistry

Year:

2004

Language:

english

File:

PDF, 434 KB

english, 2004

29

Application of potential-modulated UV-visible reflectance spectroscopy to electron transfer rate measurements for adsorbed species on electrode surfaces

Feng, Zhi Qiang., Sagara, Takamasa., Niki, Katsumi.

Journal:

Analytical Chemistry

Year:

1995

Language:

english

File:

PDF, 787 KB

english, 1995

30

Electroreflectance Study of Hemin Adsorbed on a HOPG Electrode: Estimation of Molecular Orientation and Analysis of Nonfaradaic Electroreflectance Signal Due to the Stark Effect

Sagara, Takamasa, Fukuda, Masato, Nakashima, Naotoshi

Journal:

Journal of Physical Chemistry B

Year:

1998

File:

PDF, 10 KB

1998

31

[Studies in Surface Science and Catalysis] Proceedings of the International Conference on Colloid and Surface Science, 25th Anniversary of the Division of Colloid and Surface Chemistry, The Chemical Society of Japan Volume 132 || Viologen monolayers: Dynamics on electrode surfaces**This work was made as the research project of “Organization and Function”, PRESTO, JST but was additionally supported financially in part by a Grant-in-Aid for Scientific Research from the Ministry of Education, Science, Culture and Sports of Japan (to TS) and Asahi Glass Foundation (to TS). We thank Mr. Yi Yuan for his technical assistance.

Sagara, Takamasa

Year:

2001

Language:

english

File:

PDF, 95 KB

english, 2001

32

Editor's Note

Sagara, Takamasa

Journal:

Review of Polarography

Year:

2009

File:

PDF, 944 KB

2009

33

Particle size dependence of the charging of Au nanoparticles immobilized on a modified ITO electrode

Ayumi Toyota, Takamasa Sagara

Journal:

Electrochimica Acta

Year:

2008

Language:

english

File:

PDF, 301 KB

english, 2008

34

Voltammetric application of electromodulated electroreflection absorption spectroscopy: electroreflectance voltammetry as an in situ spectroelectrochemical technique

Sagara, Takamasa., Igarashi, Satoshi., Sato, Hisakuni., Niki, Katsumi.

Journal:

Year:

1991

Language:

english

File:

PDF, 870 KB

english, 1991

35

Molecular structures of dicarboxylated viologens on a Cu(100) surface during an ongoing charge transfer reaction

Tsay, Sung-Lin, Tsay, Jyh-Shen, Fu, Tsu-Yi, Broekmann, Peter, Sagara, Takamasa, Wandelt, Klaus

Journal:

Physical Chemistry Chemical Physics

Year:

2010

Language:

english

File:

PDF, 2.98 MB

english, 2010

36

Erratum to: (Review of Polarography, Vol.59, No.2, pp.77-89) 3. Redox Spike-like Voltammetric Waves of Organic Moleculeson Electrode Surfaces: Can They Quantitatively Represent Intermolecular Interactions?

Sagara, Takamasa

Journal:

Review of Polarography

Year:

2015

File:

PDF, 141 KB

2015

37

Editor's Note

Sagara, Takamasa

Journal:

Review of Polarography

Year:

2010

Language:

english

File:

PDF, 441 KB

english, 2010

38

Fluorination effect on electrochemistry of dibutyl viologen in aqueous solution

Ayabe, Tatsuya, Chan, Bun, Sagara, Takamasa

Journal:

Journal of Electroanalytical Chemistry

Year:

2019

Language:

english

File:

PDF, 1.27 MB

english, 2019

39

ChemInform Abstract: First Electrochemical Reductions of C84 Films on Electrodes.

Naotoshi Nakashima, Nor Wahida Binti Wahab, Makoto Mori, Hiroto Murakami, Takamasa Sagara

Journal:

Year:

2002

File:

PDF, 26 KB

2002

40

Double potential step chronoreflectometry approach to bi-stable potential region of the faradaic phase transition of heptyl viologen at a HOPG electrode

Takamasa Sagara, Kosuke Miuchi

Journal:

Journal of Electroanalytical Chemistry

Year:

2004

Language:

english

File:

PDF, 312 KB

english, 2004

41

Electroreflectance Study of Gold Nanoparticles Immobilized on an Aminoalkanethiol Monolayer Coated on a Polycrystalline Gold Electrode Surface

Sagara, Takamasa, Kato, Naoyuki, Nakashima, Naotoshi

Journal:

Journal of Physical Chemistry B

Year:

2002

Language:

english

File:

PDF, 140 KB

english, 2002

42

Refractive Index Susceptibility of the Plasmonic Palladium Nanoparticle: Potential as the Third Plasmonic Sensing Material

Sugawa, Kosuke, Tahara, Hironobu, Yamashita, Ayane, Otsuki, Joe, Sagara, Takamasa, Harumoto, Takashi, Yanagida, Sayaka

Journal:

Year:

2015

Language:

english

File:

PDF, 1.91 MB

english, 2015

43

Extended X-ray Absorption Fine Structure of Copper(II) Complexes at the Air-Water Interface by a Polarized Total-Reflection X-ray Absorption Technique

NAGATANI, Hirohisa, TANIDA, Hajime, WATANABE, Iwao, SAGARA, Takamasa

Journal:

Analytical Sciences

Year:

2009

Language:

english

File:

PDF, 779 KB

english, 2009

44

Special Issues/In Situ Surface Analytical Techniques and Their Applications to Surface Finishing Technology. UV-vis Reflectance Spectroscopy at Electrode/Solution Interface.

SAGARA, Takamasa

Journal:

Journal of The Surface Finishing Society of Japan

Year:

1992

File:

PDF, 674 KB

1992

45

Separation of superimposed electroreflectance signals by a phase-shift technique: Separation of ER signal of cytochrome c3 adsorbed on the electrode surface from that of methylviologen in a solution phase

Takamasa Sagara, Hong Xiang Wang, Katsumi Niki

Journal:

Journal of Electroanalytical Chemistry

Year:

1994

Language:

english

File:

PDF, 442 KB

english, 1994

46

Electroreflectance study of redox reactions of methylene blue incorporated into polypyrrole coated on a pyrolytic graphite electrode

Shin-Ichiro Imabayashi, Toshihisa Nakamura, Takamasa Sagara, Katsumi Niki

Journal:

Journal of Electroanalytical Chemistry

Year:

1994

Language:

english

File:

PDF, 787 KB

english, 1994

47

Heterogeneous electron-transfer rate measurements of cytochrome c3 at mercury electrodes

Takamasa Sagara, Shinsuke Nakajima, Hideo Akutsu, Katsumi Niki, George S. Wilson

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1991

Language:

english

File:

PDF, 887 KB

english, 1991

48

Study of the Voltammetric Spike Response of Heptyl Viologen at a HOPG Electrode Horizontally Touched to a Gas/Heptyl Viologen Aqueous Solution Interface

Sagara, Takamasa, Tanaka, Saori, Fukuoka, Yumika, Nakashima, Naotoshi

Journal:

Year:

2001

Language:

english

File:

PDF, 117 KB

english, 2001

49

Electrochemical and Chemical Reduction of Fullerenes C 60 and C 70 Embedded in Cast Films of Artificial Lipids in Aqueous Media

Nakanishi, Takashi, Ohwaki, Hiroki, Tanaka, Hideaki, Murakami, Hiroto, Sagara, Takamasa, Nakashima, Naotoshi

Journal:

Journal of Physical Chemistry B

Year:

2004

Language:

english

File:

PDF, 269 KB

english, 2004

50

Photoinduced Electron Transfer of PAMAM Dendrimer–Zinc(II) Porphyrin Associates at Polarized Liquid|Liquid Interfaces

Nagatani, Hirohisa, Sakae, Hiroki, Torikai, Taishi, Sagara, Takamasa, Imura, Hisanori

Journal:

Year:

2015

Language:

english

File:

PDF, 1.48 MB

english, 2015

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