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Simultaneous analysis of drugs administered to lung-transplanted patients using liquid chromatography-tandem mass spectrometry for therapeutic drug monitoring.
Takasaki S, Hirasawa T, Sato Y, Maekawa M, Tsukamoto T, Kikuchi M, Ogura J, Hayakawa Y, Matsuda Y, Oishi H, Sado T, Noda M, Okada Y, Yamaguchi H, Mano N. Takasaki S, et al. Among authors: hayakawa y. Biomed Chromatogr. 2021 Jun;35(6):e5067. doi: 10.1002/bmc.5067. Epub 2021 Jan 22. Biomed Chromatogr. 2021. PMID: 33450064
Development of a simultaneous analytical method for clozapine and its metabolites in human plasma using liquid chromatography/electrospray ionization tandem mass spectrometry with linear range adjusted by in-source collision-induced dissociation.
Sato T, Suzuka M, Sato Y, Iwabuchi R, Kobayashi D, Ogura J, Takasaki S, Yokota M, Tsukamoto T, Hayakawa Y, Kikuchi M, Maekawa M, Mano N. Sato T, et al. Among authors: hayakawa y. Biomed Chromatogr. 2021 Jul;35(7):e5094. doi: 10.1002/bmc.5094. Epub 2021 Mar 4. Biomed Chromatogr. 2021. PMID: 33599311
Free D-amino acids produced by commensal bacteria in the colonic lumen.
Matsumoto M, Kunisawa A, Hattori T, Kawana S, Kitada Y, Tamada H, Kawano S, Hayakawa Y, Iida J, Fukusaki E. Matsumoto M, et al. Among authors: hayakawa y. Sci Rep. 2018 Dec 17;8(1):17915. doi: 10.1038/s41598-018-36244-z. Sci Rep. 2018. PMID: 30559391 Free PMC article.
Validation of an analytical method for human plasma free amino acids by high-performance liquid chromatography ionization mass spectrometry using automated precolumn derivatization.
Yoshida H, Kondo K, Yamamoto H, Kageyama N, Ozawa S, Shimbo K, Muramatsu T, Imaizumi A, Mizukoshi T, Masuda J, Nakayama D, Hayakawa Y, Watanabe K, Mukaibatake K, Miyano H. Yoshida H, et al. Among authors: hayakawa y. J Chromatogr B Analyt Technol Biomed Life Sci. 2015 Aug 15;998-999:88-96. doi: 10.1016/j.jchromb.2015.05.029. Epub 2015 Jun 26. J Chromatogr B Analyt Technol Biomed Life Sci. 2015. PMID: 26186723
1,195 results