Search Results - "KAWAGUCHI, Migaku"

Applications of stir-bar sorptive extraction to food analysis by Kawaguchi, Migaku, Takatsu, Akiko, Ito, Rie, Nakazawa, Hiroyuki

“…► Application of stir-bar sorptive extraction (SBSE) to food samples. ► Novel coating materials for stir-bar sorptive extraction (SBSE) from food samples. ►…”
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Interlaboratory comparison of liquid chromatography-tandem mass spectrometry quantification of diarrhetic shellfish toxins in scallop midgut glands by Yarita, Takashi, Inagaki, Shinsuke, Yamazaki, Taichi, Kawaguchi, Migaku, Uchida, Hajime, Takatsu, Akiko, Suzuki, Toshiyuki

“…•Interlaboratory comparison for LC-MS/MS quantification of diarrhetic shellfish toxins in Japanese scallop midgut glands.•Test samples were prepared from…”
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Characterization of scallop midgut gland certified reference material for quantification of diarrhetic shellfish toxins by Yarita, Takashi, Inagaki, Shinsuke, Miyamoto, Ayano, Yamazaki, Taichi, Kawaguchi, Migaku, Uchida, Hajime, Takatsu, Akiko, Suzuki, Toshiyuki

“…•Scallop midgut gland certified reference material was characterized by co-laboratory study.•Homogenous and stable naturally contaminated scallops were spiked…”
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Molecular basis of wax-based color change and UV reflection in dragonflies by Futahashi, Ryo, Yamahama, Yumi, Kawaguchi, Migaku, Mori, Naoki, Ishii, Daisuke, Okude, Genta, Hirai, Yuji, Kawahara-Miki, Ryouka, Yoshitake, Kazutoshi, Yajima, Shunsuke, Hariyama, Takahiko, Fukatsu, Takema

“…Many animals change their body color for visual signaling and environmental adaptation. Some dragonflies show wax-based color change and ultraviolet (UV)…”
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Calibration and evaluation of routine methods by serum certified reference material for aldosterone measurement in blood by Nishikawa, Tetsuo, Omura, Masao, Kawaguchi, Migaku, Takatsu, Akiko, Satoh, Fumitoshi, Ito, Sadayoshi, Kurihara, Isao, Itoh, Hiroshi, Yanase, Toshihiko, Shibata, Hirotaka, Oki, Yutaka, Naruse, Mitsuhide, Sakurai, Keiko, Sasamoto, Hidehiko, Kuwa, Katsuhiko

“…We attempted to study the standardization of aldosterone measurement in blood. The serum certified reference material (serum CRM) was established by spiking…”
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Novel stir bar sorptive extraction methods for environmental and biomedical analysis by Kawaguchi, Migaku, Ito, Rie, Saito, Koichi, Nakazawa, Hiroyuki

“…Stir bar sorptive extraction (SBSE) is sample preparation technique that involves the extraction and enrichment of organic compounds from a liquid sample. The…”
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Miniaturized hollow fiber assisted liquid-phase microextraction and gas chromatography–mass spectrometry for the measurement of progesterone in human serum by Kawaguchi, Migaku, Takatsu, Akiko

“…Miniaturized hollow fiber assisted liquid-phase microextraction (HF-LPME) and gas chromatography–mass spectrometry (GC–MS) for the determination of…”
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Miniaturized hollow fiber assisted liquid-phase microextraction with in situ derivatization and gas chromatography–mass spectrometry for analysis of bisphenol A in human urine sample by Kawaguchi, Migaku, Ito, Rie, Okanouchi, Noriya, Saito, Koichi, Nakazawa, Hiroyuki

“…A new method that involves miniaturized hollow fiber assisted liquid-phase microextraction (HF-LPME) with in situ derivatization and gas chromatography–mass…”
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Miniaturized hollow fiber assisted liquid-phase microextraction and gas chromatography–mass spectrometry for determination of benzophenone and derivates in human urine sample by Kawaguchi, Migaku, Ito, Rie, Honda, Hidehiro, Koganei, Youji, Okanouchi, Noriya, Saito, Koichi, Seto, Yasuo, Nakazawa, Hiroyuki

“…The determination of benzophenones (BPs) in human urine sample by miniaturized hollow fiber assisted liquid-phase microextraction (HF-LPME) and gas…”
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Determination of urinary triclosan by stir bar sorptive extraction and thermal desorption–gas chromatography–mass spectrometry by Kawaguchi, Migaku, Ito, Rie, Honda, Hidehiro, Endo, Naoyuki, Okanouchi, Noriya, Saito, Koichi, Seto, Yasuo, Nakazawa, Hiroyuki

“…We have developed an analytical method for the determination of urinary 5-chloro-2-(2,4-dichlorophenoxy)phenol (triclosan), which utilizes stir bar sorptive…”
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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 sample by Kawaguchi, Migaku, Hayatsu, Yoshio, Nakata, Hisao, Ishii, Yumiko, Ito, Rie, Saito, Koichi, Nakazawa, Hiroyuki

“…We have developed a molecularly imprinted polymer (MIP) using a stable isotope labeled compound as the template molecule and called it the “isotope molecularly…”
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Development of a Candidate Reference Measurement Procedure for the Analysis of Cortisol in Human Serum Samples by Isotope Dilution-Gas Chromatography-Mass Spectrometry by KAWAGUCHI, Migaku, TAKATSU, Akiko

“…A candidate reference measurement procedure involving isotope dilution coupled with gas chromatography-mass spectrometry (GC-MS) has been developed and…”
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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 spectrometry by Kawaguchi, Migaku, Inoue, Koichi, Yoshimura, Mariko, Ito, Rie, Sakui, Norihiro, Okanouchi, Noriya, Nakazawa, Hiroyuki

“…A new method, based on stir bar sorptive extraction (SBSE) with in situ derivatization and thermal desorption (TD)-gas chromatography–mass spectrometry (GC–MS)…”
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Evaluation and analysis of exposure levels of di(2-ethylhexyl) phthalate from blood bags by Inoue, Koichi, Kawaguchi, Migaku, Yamanaka, Retsuji, Higuchi, Tae, Ito, Rie, Saito, Koichi, Nakazawa, Hiroyuki

“…The US FDA and The Ministry of Health, Labor and Welfare of Japan have indicated that the risk assessment of di(2-ethylhexyl) phthalate (DEHP) released from…”
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Stir bar sorptive extraction and thermal desorption–gas chromatography–mass spectrometry for the measurement of 4-nonylphenol and 4- tert-octylphenol in human biological samples by Kawaguchi, Migaku, Inoue, Koichi, Sakui, Norihiro, Ito, Rie, Izumi, Shun-ichiro, Makino, Tsunehisa, Okanouchi, Noriya, Nakazawa, Hiroyuki

“…Alkylphenols, 4-nonylphenol (NP) and 4- tert-octylphenol (OP), in human urine and plasma samples were analyzed using stir bar sorptive extraction (SBSE) in…”
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Hollow-fiber-supported liquid phase microextraction with in situ derivatization and gas chromatography–mass spectrometry for determination of chlorophenols in human urine samples by Ito, Rie, Kawaguchi, Migaku, Honda, Hidehiro, Koganei, Youji, Okanouchi, Noriya, Sakui, Norihiro, Saito, Koichi, Nakazawa, Hiroyuki

“…A simple and highly sensitive method that involves hollow-fiber-supported liquid phase microextraction (HF-LPME) with in situ derivatization and gas…”
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Stir bar sorptive extraction with in situ derivatization and thermal desorption-gas chromatography-mass spectrometry for measurement of phenolic xenoestrogens in human urine samples by KAWAGUCHI, Migaku, SAKUI, Norihiro, OKANOUCHI, Noriya, ITO, Rie, SAITO, Koichi, IZUMI, Shun-Ichiro, MAKINO, Tsunehisa, NAKAZAWA, Hiroyuki

“…A high-sensitivity analytical method that uses stir bar sorptive extraction (SBSE) with in situ derivatization and thermal desorption (TD)-gas…”
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Measurement of Benzophenones in Human Urine Samples by Stir Bar Sorptive Extraction and Thermal Desorption-Gas Chromatography-Mass Spectrometry by KAWAGUCHI, Migaku, ITO, Rie, HONDA, Hidehiro, ENDO, Naoyuki, OKANOUCHI, Noriya, SAITO, Koichi, SETO, Yasuo, NAKAZAWA, Hiroyuki

“…Determination of benzophenones (BPs) in human urine samples by stir bar sorptive extraction (SBSE) and thermal desorption (TD)-gas chromatography-mass…”
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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-tert-octylphenol glucuronides by Kawaguchi, Migaku, Ito, Rie, Sakui, Norihiro, Okanouchi, Noriya, Saito, Koichi, Seto, Yasuo, Nakazawa, Hiroyuki

“…A novel method, stir-bar-sorptive extraction (SBSE), with in-situ deconjugation and thermal desorption (TD) with in-tube silylation, followed by gas…”
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Effect of gamma-ray irradiation on degradation of di(2-ethylhexyl)phthalate in polyvinyl chloride sheet by Ito, Rie, Miura, Naoko, Ushiro, Masaru, Kawaguchi, Migaku, Nakamura, Hiroko, Iguchi, Hirofumi, Ogino, Jun-ichi, Oishi, Manabu, Wakui, Nobuyuki, Iwasaki, Yusuke, Saito, Koichi, Nakazawa, Hiroyuki

“…The risk assessment of di(2-ethylhexyl)phthalate (DEHP) migration from polyvinyl chloride (PVC) medical devices is an important issue for patients. The aim of…”
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