Miniaturized hollow fiber assisted liquid-phase microextraction and gas chromatography-mass spectrometry for the measurement of progesterone in human serumKAWAGUCHI, Migaku; TAKATSU, Akiko.Journal of chromatography. B. 2009, Vol 877, Num 3, pp 343-346, issn 1570-0232, 4 p.Article

Size-exclusion flow extraction of bisphenol A in human urine for liquid chromatography-mass spectrometryINOUE, Koichi; KAWAGUCHI, Migaku; FUNAKOSHI, Yukari et al.Journal of chromatography. B. 2003, Vol 798, Num 1, pp 17-23, issn 1570-0232, 7 p.Article

Miniaturized hollow fiber assisted liquid-phase microextraction with in situ derivatization and gas chromatography-mass spectrometry for analysis of bisphenol A in human urine sampleKAWAGUCHI, Migaku; ITO, Rie; OKANOUCHI, Noriya et al.Journal of chromatography. B. 2008, Vol 870, Num 1, pp 98-102, issn 1570-0232, 5 p.Article

Novel stir bar sorptive extraction methods for environmental and biomedical analysisKAWAGUCHI, Migaku; ITO, Rie; SAITO, Koichi et al.Journal of pharmaceutical and biomedical analysis. 2006, Vol 40, Num 3, pp 500-508, issn 0731-7085, 9 p.Article

Column-switching high-performance liquid chromatography electrospray mass spectrometry coupled with on-line of extraction for the determination of mono- and di-(2-ethylhexyl) phthalate in blood samplesINOUE, Koichi; KAWAGUCHI, Migaku; OKADA, Fumio et al.Analytical and bioanalytical chemistry. 2003, Vol 375, Num 4, pp 527-533, 7 p.Article

Stir bar sorptive extraction with in situ derivatization and thermal desorption-gas chromatography-mass spectrometry for trace analysis of methylmercury and mercury(II) in water sampleITO, Rie; KAWAGUCHI, Migaku; SAKUI, Norihiro et al.Talanta (Oxford). 2009, Vol 77, Num 4, pp 1295-1298, issn 0039-9140, 4 p.Article

Liquid phase microextraction with in situ derivatization for measurement of bisphenol A in river water sample by gas chromatography-mass spectrometryKAWAGUCHI, Migaku; ITO, Rie; ENDO, Naoyuki et al.Journal of chromatography. 2006, Vol 1110, Num 1-2, pp 1-5, issn 0021-9673, 5 p.Article

Molecularly imprinted solid phase extraction using stable isotope labeled compounds as template and liquid chromatography-mass spectrometry for trace analysis of bisphenol A in water sampleKAWAGUCHI, Migaku; HAYATSU, Yoshio; NAKATA, Hisao et al.Analytica chimica acta. 2005, Vol 539, Num 1-2, pp 83-89, issn 0003-2670, 7 p.Article

Determination of 4-nonylphenol and 4-Tert.-octylphenol in water samples by stir bar sorptive extraction and thermal desorption-gas chromatography-mass spectrometryKAWAGUCHI, Migaku; INOUE, Koichi; YOSHIMURA, Mariko et al.Analytica chimica acta. 2004, Vol 505, Num 2, pp 217-222, issn 0003-2670, 6 p.Article

Determination of bisphenol A in river water and body fluid samples by stir bar sorptive extraction with in situ derivatization and thermal desorption-gas chromatography-mass spectrometryKAWAGUCHI, Migaku; INOUE, Koichi; YOSHIMURA, Mariko et al.Journal of chromatography. B. 2004, Vol 805, Num 1, pp 41-48, issn 1570-0232, 8 p.Article

Effect of sterilization process on the formation of mono(2-ethylhexyl)phthalate from di(2-ethylhexyl)phthalateITO, Rie; SESHIMO, Fumie; MIURA, Naoko et al.Journal of pharmaceutical and biomedical analysis. 2006, Vol 41, Num 2, pp 455-460, issn 0731-7085, 6 p.Article

Determination of perfluorooctane sulfonate, perfluorooctanoate and perfluorooctane sulfonylamide in human plasma by column-switching liquid chromatography-electrospray mass spectrometry coupled with solid-phase extractionINOUE, Koichi; OKADA, Fumio; ITO, Rie et al.Journal of chromatography. B. 2004, Vol 810, Num 1, pp 49-56, issn 1570-0232, 8 p.Article

Mercury speciation and analysis in drinking water by stir bar sorptive extraction with in situ propyl derivatization and thermal desorption-gas chromatography-mass spectrometryITO, Rie; KAWAGUCHI, Migaku; SAKUI, Norihiro et al.Journal of chromatography. 2008, Vol 1209, Num 1-2, pp 267-270, issn 0021-9673, 4 p.Article

Stir-bar-sorptive extraction, with in-situ deconjugation, and thermal desorption with in-tube silylation, followed by gas chromatography-mass spectrometry for measurement of urinary 4-nonylphenol and 4-tern-octylphenol glucuronidesKAWAGUCHI, Migaku; ITO, Rie; SAKUI, Norihiro et al.Analytical and bioanalytical chemistry. 2007, Vol 388, Num 2, pp 391-398, 8 p.Article

Stir bar sorptive extraction and trace analysis of alkylphenols in water samples by thermal desorption with in tube silylation and gas chromatography-mass spectrometryKAWAGUCHI, Migaku; SAKUI, Norihiro; OKANOUCHI, Noriya et al.Journal of chromatography. 2005, Vol 1062, Num 1, pp 23-29, issn 0021-9673, 7 p.Article

High-throughput determination of mono- and di(2-ethylhexyl)phthalate migration from PVC tubing to drugs using liquid chromatography-tandem mass spectrometryITO, Rie; SESHIMO, Fumie; MIURA, Naoko et al.Journal of pharmaceutical and biomedical analysis. 2005, Vol 39, Num 5, pp 1036-1041, issn 0731-7085, 6 p.Article

Development of liquid chromatography-electrospray mass spectrometry for the determination of patulin in apple juice: Investigation of its contamination levels in JapanITO, Rie; YAMAZAKI, Haruko; INOUE, Koichi et al.Journal of agricultural and food chemistry (Print). 2004, Vol 52, Num 25, pp 7464-7468, issn 0021-8561, 5 p.Article

Stir bar sorptive extraction and thermal desorption-gas chromatography-mass spectrometry for trace analysis of triclosan in water sampleKAWAGUCHI, Migaku; ITO, Rie; HONDA, Hidehiro et al.Journal of chromatography. 2008, Vol 1206, Num 2, pp 196-199, issn 0021-9673, 4 p.Article

Stir bar sorptive extraction with in situ de-conjugation and thermal desorption gas chromatography-mass spectrometry for measurement of 4-nonylphenol glucuronide in human urine sampleKAWAGUCHI, Migaku; ITO, Rie; NAKAZAWA, Hiroyuki et al.Journal of pharmaceutical and biomedical analysis. 2006, Vol 40, Num 1, pp 82-87, issn 0731-7085, 6 p.Article

Systematic analysis and overall toxicity evaluation of dioxins and hexachlorobenzene in human milkSAITO, Koichi; OGAWA, Masahiko; TAKEKUMA, Mikiko et al.Chemosphere (Oxford). 2005, Vol 61, Num 9, pp 1215-1220, issn 0045-6535, 6 p.Article

Hollow-fiber-supported liquid phase microextraction with in situ derivatization and gas chromatography-mass spectrometry for determination of chlorophenols in human urine samplesITO, Rie; KAWAGUCHI, Migaku; HONDA, Hidehiro et al.Journal of chromatography. B. 2008, Vol 872, Num 1-2, pp 63-67, issn 1570-0232, 5 p.Article

Determination of urinary triclosan by stir bar sorptive extraction and thermal desorption-gas chromatography-mass spectrometryKAWAGUCHI, Migaku; ITO, Rie; HONDA, Hidehiro et al.Journal of chromatography. B. 2008, Vol 875, Num 2, pp 577-580, issn 1570-0232, 4 p.Article

Dual derivatization-stir bar sorptive extraction-thermal desorption-gas chromatography-mass spectrometry for determination of 17β-estradiol in water sampleKAWAGUCHI, Migaku; ITO, Rie; SAKUI, Norihiro et al.Journal of chromatography. 2006, Vol 1105, Num 1-2, pp 140-147, issn 0021-9673, 8 p.Conference Paper

Determination of 4-tert.-octylphenol and 4-nonylphenol in laboratory animal feed sample by stir bar sorptive extraction followed by liquid desorption and column-switching liquid chromatography-mass spectrometry with solid-phase extractionKAWAGUCHI, Migaku; TAKAHASHI, Shima; NAKAZAWA, Hiroyuki et al.Journal of chromatography. 2004, Vol 1046, Num 1-2, pp 83-88, issn 0021-9673, 6 p.Article

Miniaturized hollow fiber assisted liquid-phase microextraction and gas chromatography-mass spectrometry for determination of benzophenone and derivates in human urine sampleKAWAGUCHI, Migaku; ITO, Rie; HONDA, Hidehiro et al.Journal of chromatography. B. 2009, Vol 877, Num 3, pp 298-302, issn 1570-0232, 5 p.Article