Zobrazeno 1 - 10
of 101
pro vyhledávání: '"Fumiki TAKAHASHI"'
Publikováno v:
Electrochemistry, Vol 89, Iss 2, Pp 100-103 (2021)
A carbon paste electrode (CPE) modified with polytetrafluoroethylene (PTFE) powder and perfluoropolyether (PFPE) oil was studied. These two fluorinated materials were simply mixed with graphite powder. The voltammetric behavior was compared with thos
Externí odkaz:
https://doaj.org/article/941fae95c3654c568db4518f8f1e259c
Autor:
Hirosuke TATSUMI, Keita SATO, Manami YOSHIMURA, Mariko SAKAMAKI, Mizuki SUNAGAWA, Fumiki TAKAHASHI, Jiye JIN
Publikováno v:
Electrochemistry, Vol 90, Iss 12, Pp 127003-127003 (2022)
A stream of electron conductor powder (graphite, silver, and tin) was introduced to the measurement of Volta potential difference. The stream of the conductive powder was placed at the center of a vertical glass tube, while an aqueous electrolyte sol
Externí odkaz:
https://doaj.org/article/63cc3f5cd86c4a5791375dbca1486815
Publikováno v:
Electrochemistry Communications, Vol 128, Iss , Pp 107069- (2021)
A single nozzle piezoelectric inkjet device was introduced for polarography using a dropping carbon fluid electrode (DCFE). The viscosity of the carbon fluid prepared by mixing a spherical graphite powder and a perfluoroalkane oil was low enough for
Externí odkaz:
https://doaj.org/article/e9b9dfd700314a0094dfea6a2e71b020
Publikováno v:
Electrochemistry, Vol 89, Iss 2, Pp 100-103 (2021)
A carbon paste electrode (CPE) modified with polytetrafluoroethylene (PTFE) powder and perfluoropolyether (PFPE) oil was studied. These two fluorinated materials were simply mixed with graphite powder. The voltammetric behavior was compared with thos
Publikováno v:
Analytical Sciences. 37:1309-1313
An electrochemiluminescence (ECL) analytical device was developed using an electric contactless power transfer system. A mutually induced electromotive voltage was generated by wrapping an enameled wire around a commercial contactless charger. There
Publikováno v:
Chemistry Letters. 50:1659-1661
In this study, peroxydisulfate (S2O82−) was used as a co-reactant for the first time to generate a highly stable cathodic electrochemiluminescence (ECL) of rhodamine B (RhB) on a glassy carbon elec...
Publikováno v:
Molecules, Vol 23, Iss 12, p 3231 (2018)
Background: A simple, sensitive, and rapid extraction method based on high-frequency (H-F) heating was developed for drug analysis in human nails. Methods: A human nail was placed in a glass tube with an extraction solvent (methanol and 0.1% formic a
Externí odkaz:
https://doaj.org/article/eeae5727a7d548ffabcd9c5d14cae82c
Autor:
Fumiki Takahashi, Kazusane Matsuda, Tomoyuki Nakazawa, Shuki Mori, Masachika Yoshida, Ryo Shimizu, Hirosuke Tatsumi, Jiye Jin
Publikováno v:
SEPARATION SCIENCE PLUS. 6:2200081
Publikováno v:
Analytica chimica acta. 1191
Methamphetamine (MA) is one of the most commonly abused recreational stimulants; thus, rapid and sensitive screening methods for MA are of great importance in forensic analytical chemistry. In the present work, potential modulation was combined with
Publikováno v:
Journal of Electroanalytical Chemistry. 908:116094