In-Source Fragmentation of Phenethylamines by Electrospray Ionization Mass Spectrometry: Toward Highly Sensitive Quantitative Analysis of Monoamine Neurotransmitters
Asakawa, Daiki, Mizuno, Hajime, Sugiyama, Eiji, Todoroki, Kenichiro
Published in Analytical chemistry (Washington) (01.09.2020)
Published in Analytical chemistry (Washington) (01.09.2020)
Get full text
Journal Article
Bioanalytical methods for therapeutic monoclonal antibodies and antibody–drug conjugates: A review of recent advances and future perspectives
Todoroki, Kenichiro, Mizuno, Hajime, Sugiyama, Eiji, Toyo’oka, Toshimasa
Published in Journal of pharmaceutical and biomedical analysis (05.02.2020)
Published in Journal of pharmaceutical and biomedical analysis (05.02.2020)
Get full text
Journal Article
Study of Substituted Phenethylamine Fragmentation Induced by Electrospray Ionization Mass Spectrometry and Its Application for Highly Sensitive Analysis of Neurotransmitters in Biological Samples
Asakawa, Daiki, Sugiyama, Eiji, Mizuno, Hajime, Todoroki, Kenichiro
Published in Journal of the American Society for Mass Spectrometry (04.08.2021)
Published in Journal of the American Society for Mass Spectrometry (04.08.2021)
Get full text
Journal Article
Precolumn derivatization LC/MS method for observation of efficient hydrogen sulfide supply to the kidney via d-cysteine degradation pathway
Sugiyama, Eiji, Higashi, Toru, Nakamura, Mao, Mizuno, Hajime, Toyo’oka, Toshimasa, Todoroki, Kenichiro
Published in Journal of pharmaceutical and biomedical analysis (05.01.2023)
Published in Journal of pharmaceutical and biomedical analysis (05.01.2023)
Get full text
Journal Article
An accurate differential analysis of carboxylic acids in beer using ultra high-performance liquid chromatography–quadrupole time-of-flight mass spectrometry based on chiral derivatization combining three isotopic reagents
Fukui, Serina, Takayama, Takahiro, Toyo’oka, Toshimasa, Mizuno, Hajime, Todoroki, Kenichiro
Published in Talanta (Oxford) (01.12.2019)
Published in Talanta (Oxford) (01.12.2019)
Get full text
Journal Article
Development of a selective and sensitive analytical method to detect isomerized aspartic acid residues in crystallin using a combination of derivatization and liquid chromatography mass spectrometry
Mizuno, Hajime, Shindo, Takuya, Ito, Keisuke, Sakane, Iwao, Miyazaki, Yasuto, Toyo'oka, Toshimasa, Todoroki, Kenichiro
Published in Journal of Chromatography A (19.07.2020)
Published in Journal of Chromatography A (19.07.2020)
Get full text
Journal Article
Caffeine Suppresses the Activation of Hepatic Stellate Cells cAMP-Independently by Antagonizing Adenosine Receptors
Yamaguchi, Momoka, Saito, Shin-ya, Nishiyama, Ryota, Nakamura, Misuzu, Todoroki, Kenichiro, Toyo’oka, Toshimasa, Ishikawa, Tomohisa
Published in Biological & pharmaceutical bulletin (01.05.2017)
Published in Biological & pharmaceutical bulletin (01.05.2017)
Get full text
Journal Article
Simultaneous optimization of pH and binary organic composition by grid form modeling of the retention behavior in reversed-phase ultra high-performance liquid chromatography
Sasaki, Tsukasa, Todoroki, Kenichiro, Toyo’oka, Toshimasa
Published in Journal of pharmaceutical and biomedical analysis (30.11.2017)
Published in Journal of pharmaceutical and biomedical analysis (30.11.2017)
Get full text
Journal Article
Development of a liquid chromatography-based versatile bioanalysis for bevacizumab based on pretreatment combining aptamer affinity purification and centrifugal ultrafiltration concentration
Todoroki, Kenichiro, Hamada, Daichi, Yamada, Tomohiro, Saito, Taro, Shimizu, Yutaka, Sugiyama, Eiji, Mizuno, Hajime, Hayashi, Hideki, Tsukakoshi, Kaori, Ikebukuro, Kazunori
Published in Analytical sciences (01.11.2023)
Published in Analytical sciences (01.11.2023)
Get full text
Journal Article
Evidence of tosufloxacin deposition in the kidneys of a patient presenting with crystal nephropathy
Ito, Yuuki, Mori, Noriko, Matsuo, Ken, Tanaka, Satoshi, Mori, Kiyoshi, Kobayashi, Nao, Mizuno, Hajime, Todoroki, Kenichiro, Nagai, Kojiro
Published in Internal Medicine (2024)
Published in Internal Medicine (2024)
Get full text
Journal Article
High-Throughput Bioanalysis of Bevacizumab in Human Plasma Based on Enzyme-Linked Aptamer Assay Using Anti-Idiotype DNA Aptamer
Yamada, Tomohiro, Saito, Taro, Hill, Yoshia, Shimizu, Yutaka, Tsukakoshi, Kaori, Mizuno, Hajime, Hayashi, Hideki, Ikebukuro, Kazunori, Toyo’oka, Toshimasa, Todoroki, Kenichiro
Published in Analytical chemistry (Washington) (19.02.2019)
Published in Analytical chemistry (Washington) (19.02.2019)
Get full text
Journal Article
A novel approach for LC-MS/MS-based chiral metabolomics fingerprinting and chiral metabolomics extraction using a pair of enantiomers of chiral derivatization reagents
Takayama, Takahiro, Mochizuki, Toshiki, Todoroki, Kenichiro, Min, Jun Zhe, Mizuno, Hajime, Inoue, Koichi, Akatsu, Hiroyasu, Noge, Ichiro, Toyo'oka, Toshimasa
Published in Analytica chimica acta (22.10.2015)
Published in Analytica chimica acta (22.10.2015)
Get full text
Journal Article
Isotopic variants of light and heavy l-pyroglutamic acid succinimidyl esters as the derivatization reagents for dl-amino acid chiral metabolomics identification by liquid chromatography and electrospray ionization mass spectrometry
Mochizuki, Toshiki, Todoroki, Kenichiro, Inoue, Koichi, Min, Jun Zhe, Toyo’oka, Toshimasa
Published in Analytica chimica acta (06.02.2014)
Published in Analytica chimica acta (06.02.2014)
Get full text
Journal Article