Masae Iwai

Simultaneous determination of barbiturates in human biological fluids by direct immersion solid-phase microextraction and gas chromatography–mass spectrometry

Masae Iwai, Hideki Hattori, Tetsuya Arinobu et al. · Journal of Chromatography B · 2004 · 51 citations

Pharmacy, Pharmacology, Toxicology +14

Liquid chromatographic–mass spectrometric determination of haloperidol and its metabolites in human plasma and urine

Tetsuya Arinobu, Hideki Hattori, Masae Iwai et al. · Journal of Chromatography B · 2002 · 50 citations

Pharmacy, Pharmaceutical Analysis, Pharmacology +12

Sensitive determination of xylenes in whole blood by capillary gas chromatography with cryogenic trapping

Hideki Hattori, Masae Iwai, Shunsuke Kurono et al. · Journal of Chromatography B Biomedical Sciences and Applications · 1998 · 20 citations

Natural Sciences, Biochemistry, Chemistry +8

A rapid and simultaneous analysis of theophylline and its metabolites in human whole blood by ultra-performance liquid chromatography-tandem mass spectrometry

Tadashi Ogawa, Hideki Hattori, Masae Iwai et al. · Forensic Toxicology · 2012 · 16 citations

Pharmacy, Pharmaceutical Analysis, Pharmacology +16

Development and application of a forensic toxicological library for identification of 56 natural toxic substances by liquid chromatography–quadrupole time-of-flight mass spectrometry

Tadashi Ogawa, Kei Zaitsu, Tetsuo Kokaji et al. · Forensic Toxicology · 2019 · 16 citations · Full text

Pharmacy, Toxicology, Analytical Toxicology +15