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, +6

Journal of Chromatography B

Gas Chromatography–mass SpectrometryGas ChromatographySample PreparationHuman Biological FluidsMedicine +10

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

Tetsuya Arinobu, Hideki Hattori, Masae Iwai, +4

Journal of Chromatography B

BiochemistryMedicineBioanalysisMass SpectrometryHuman Plasma +8

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

Hideki Hattori, Masae Iwai, Shunsuke Kurono, +5

Journal of Chromatography B Biomedical Sciences and Applications

Capillary Gas ChromatographyCryogenic TrappingBiochemistrySeparation ScienceAnalytical Instrumentation +10

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, +5

Forensic Toxicology

Human Whole BloodBiochemistryGas ChromatographyMedicineBioanalysis +10

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, +6

Forensic Toxicology

ToxinologyForensic Toxicological LibraryToxicology TestingForensic ChemistryPlant Toxins +17

High-throughput analysis of ramelteon, agomelatine, and melatonin in human plasma by ultra-performance liquid chromatography–tandem mass spectrometry

Tadashi Ogawa, Masae Iwai, Hideki Hattori, +5

Forensic Toxicology

BiochemistryGas ChromatographyMedicineBioanalysisMass Spectrometry +10

Novel extraction method using an ISOLUTE PLD+ protein and phospholipid removal column for liquid chromatography-tandem mass spectrometry analysis of 20 psychoactive drugs in postmortem whole blood samples

Tadashi Ogawa, Fumio Kondo, Masae Iwai, +3

Forensic Science International

Novel Extraction MethodPhospholipid Removal ColumnDrug PurityBioanalysisPharmacology +11

Rapid analysis of sertraline, fluvoxamine, and paroxetine in serum specimens by LC-MS-MS using a new polymer column

Hideki Hattori, Kenjiro Ito, Masae Iwai, +6

Forensic Toxicology

Therapeutic Drug MonitoringSerum SpecimensDrug DiscoveryBioanalysisPharmacology +10

Simple analysis of blonanserin, a novel antipsychotic agent, in human plasma by GC-MS

Hideki Hattori, Masae Iwai, Tadashi Ogawa, +4

Forensic Toxicology

Simple AnalysisMedicineHuman PlasmaExperimental TherapeuticNeurochemical Biomarkers +6

Simple and rapid assay method for simultaneous quantification of urinary nicotine and cotinine using micro-extraction by packed sorbent and gas chromatography-mass spectrometry.

Masae Iwai, Tadashi Ogawa, Hideki Hattori, +4

PubMed

Urinary NicotineTobacco ControlNicotine DeterminationGas ChromatographyDrug Purity +17