Akira Kotani, Miyu Sakazume, Koichi Machida, Kazuhiro Yamamoto, Hideki Hakamata. Electrochemical Analysis for Total Alkalinity of Water by the Measurement of Cathodic Prepeak of Quinone Caused by Surplus Acid. Chemical and Pharmaceutical Bulletin. 2024. 72. 3. 266-270
Akira Kotani, Ryo Watanabe, Yuzuru Hayashi, Koichi Machida, Hideki Hakamata. Statistical reliability of a relative standard deviation of chromatographic peak area estimated by a chemometric tool based on the FUMI theory. Journal of Pharmaceutical and Biomedical Analysis. 2024. 237. 115777-115777
Kazuhiro Yamamoto, Koichi Machida, Akira Kotani, Hideki Hakamata. Gradient elution of hydroxyacetophenones by supercritical fluid chromatography with electrochemical detection. Analytical Sciences. 2023. 39. 5. 761-765
Akira Kotani, Hisanobu Ishikawa, Takashi Shii, Minpei Kuroda, Yoshihiro Mimaki, Koichi Machida, Kazuhiro Yamamoto, Hideki Hakamata. Determination of oxalic acid in herbal medicines by semi-micro hydrophilic interaction liquid chromatography coupled with electrochemical detection. Analytical Sciences. 2023. 39. 4. 441-446
Akira Kotani, Kaito Shimomura, Kazuhiro Yamamoto, Koichi Machida, Hideki Hakamata. Electrochemical determination of free amino nitrogen in aged lean beef by the measurement of surplus acid after neutralization. Analytical Sciences. 2023. 39. 1. 109-113
Akira Kotani. Foreword: Current Topics - Progress in Electrochemical Analysis for the Pharmaceutical Sciences. Chemical and Pharmaceutical Bulletin. 2024. 72. 3. 248-248