Niwa Osamu

J-GLOBAL         Last updated: Aug 20, 2019 at 20:40
Niwa Osamu
Saitama Institute of Technology

Research Areas


Awards & Honors

Sep 2017
Study of electroanalysis and sensing using microelectrodes and new electrode materials, JSAC Award, Japan Society of Analytical Chemistry
Mar 2004
Development of microelectrochemical analysis and its application of highly sensitive biosensing, Award of Creative Work, Chemical Society of Japan


Tomoyuki Kamata, Dai Kato, Osamu Niwa
Nanoscale   11 10239-10246   Jun 2019
© 2019 The Royal Society of Chemistry. Carbon materials containing nitrogen have been extensively studied as electrode materials for use in non-platinum cathodes of fuel cells due to their high electrocatalytic activity for oxygen reduction. The a...
Tomoyuki Kamata, Michinori Sumimoto, Shunsuke Shiba, Ryoji Kurita, Osamu Niwa, Dai Kato
Nanoscale   11 8845-8854   May 2019
© 2019 The Royal Society of Chemistry. The musty odor compound geosmin was electrochemically detected by using Pt nanoparticle (PtNP)-embedded nanocarbon (Pt-C) films formed with unbalanced magnetron (UBM) co-sputtering. The sputtered Pt componen...
Shunsuke Shiba, Shota Takahashi, Tomoyuki Kamata, Hiromitsu Hachiya, Dai Kato, Osamu Niwa
Sensors and Materials   31 1135-1146   Jan 2019
© MYU K.K. We report the ppb level detection of selenium by anodic stripping voltammetry (ASV) using finely dispersed gold nanoparticles (grown Au NPs) electrodeposited on sputter-deposited Au NPs embedded in carbon film electrodes. The Au NP-embe...
Shunsuke Shiba, Rina Maruyama, Tomoyuki Kamata, Dai Kato, Osamu Niwa
Electroanalysis   30 1407-1415   Jul 2018
© 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Co-sputtered Ni/Cu nanoalloy embedded in carbon film electrodes were applied to an isocratic high performance liquid chromatography (HPLC) electrochemical detector to analyze urinary sugar probes...
Dai Kato, Tomoyuki Kamata, Ryoji Kurita, Kyoko Yoshioka, Shunsuke Shiba, Eisuke Kuraya, Masashi Kunitake, Osamu Niwa
Bunseki Kagaku   67 635-645   Jan 2018
© 2018 The Japan Society for Analytical Chemistry. Electroanalysis is a way to detect analytes by measuring the current or potential on an electrode interface during a redox reaction. However, analytes that can be detected by the methods at conve...

Social Contribution

Sensors and Actuators B:Chemical
[Editor]  Elsevier  10 Apr 2018 - 31 Mar 2020