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
Ogawa, Tadashi, Kondo, Fumio, Iwai, Masae, Matsuo, Tomohito, Kubo, Katsutoshi, Seno, Hiroshi
Published in Forensic science international (01.02.2022)
Published in Forensic science international (01.02.2022)
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Journal Article
Development and application of a forensic toxicological library for identification of 56 natural toxic substances by liquid chromatography–quadrupole time-of-flight mass spectrometry
Ogawa, Tadashi, Zaitsu, Kei, Kokaji, Tetsuo, Suga, Kayako, Kondo, Fumio, Iwai, Masae, Suzuki, Takayoshi, Ishii, Akira, Seno, Hiroshi
Published in Forensic toxicology (01.01.2020)
Published in Forensic toxicology (01.01.2020)
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Journal Article
Continuous Presence of Noroviruses and Sapoviruses in Raw Sewage Reflects Infections among Inhabitants of Toyama, Japan (2006 to 2008)
Iwai, Masae, Hasegawa, Sumiyo, Obara, Mayumi, Nakamura, Kazuya, Horimoto, Eiji, Takizawa, Takenori, Kurata, Takeshi, Sogen, Shun-ichi, Shiraki, Kimiyasu
Published in Applied and Environmental Microbiology (01.03.2009)
Published in Applied and Environmental Microbiology (01.03.2009)
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Journal Article
Genetic Changes of Coxsackievirus A16 and Enterovirus 71 Isolated from Hand, Foot, and Mouth Disease Patients in Toyama, Japan between 1981 and 2007
Iwai, Masae, Masaki, Akio, Hasegawa, Sumiyo, Obara, Mayumi, Horimoto, Eiji, Nakamura, Kazuya, Tanaka, Yuichi, Endo, Kyoko, Tanaka, Keiko, Ueda, Junko, Shiraki, Kimiyasu, Kurata, Takeshi, Takizawa, Takenori
Published in Japanese Journal of Infectious Diseases (29.07.2009)
Published in Japanese Journal of Infectious Diseases (29.07.2009)
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Journal Article
A new method for simultaneous quantification of fosphenytoin, phenytoin and its primary metabolite 5-(4-hydroxyphenyl)-5-phenylhydantoin in whole blood by ultra-performance liquid chromatography-tandem mass spectrometry
Suzuki, Takayoshi, Ogawa, Tadashi, Ueyama, Jun, Iwai, Masae, Kondo, Fumio, Seno, Hiroshi
Published in Legal medicine (Tokyo, Japan) (01.09.2018)
Published in Legal medicine (Tokyo, Japan) (01.09.2018)
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Journal Article
Frequent Detection of Noroviruses and Sapoviruses in Swine and High Genetic Diversity of Porcine Sapovirus in Japan during Fiscal Year 2008
Nakamura, Kazuya, Saga, Yumiko, Iwai, Masae, Obara, Mayumi, Horimoto, Eiji, Hasegawa, Sumiyo, Kurata, Takeshi, Okumura, Hiraku, Nagoshi, Masataka, Takizawa, Takenori
Published in Journal of Clinical Microbiology (01.04.2010)
Published in Journal of Clinical Microbiology (01.04.2010)
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Journal Article
Simultaneous quantification of batrachotoxin and epibatidine in plasma by ultra-performance liquid chromatography/tandem mass spectrometry
Shiraishi, Yosuke, Ogawa, Tadashi, Suzuki, Takayoshi, Iwai, Masae, Kusano, Maiko, Zaitsu, Kei, Kondo, Fumio, Ishii, Akira, Seno, Hiroshi
Published in Legal medicine (Tokyo, Japan) (01.03.2017)
Published in Legal medicine (Tokyo, Japan) (01.03.2017)
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Journal Article
Sensitive determination of picrotoxin by liquid chromatography-quadrupole time-of-flight mass spectrometry
Ogawa, Tadashi, Tada, Miho, Hattori, Hideki, Shiraishi, Yosuke, Suzuki, Takayoshi, Iwai, Masae, Kusano, Maiko, Zaitsu, Kei, Ishii, Akira, Seno, Hiroshi
Published in Legal medicine (Tokyo, Japan) (01.05.2016)
Published in Legal medicine (Tokyo, Japan) (01.05.2016)
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Journal Article
Simultaneous and sensitive analysis of fourth-generation antidepressants in human plasma by ultra-performance liquid chromatography–tandem mass spectrometry
Iwakura, Kenya, Ogawa, Tadashi, Hattori, Hideki, Iwai, Masae, Suzuki, Osamu, Nakagawa, Takashi
Published in Forensic toxicology (01.01.2014)
Published in Forensic toxicology (01.01.2014)
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Journal Article
Continuity and Change of Japanese Encephalitis Virus in Toyama Prefecture, Japan
OBARA, Mayumi, YAMAUCHI, Takeo, KARIWA, Hiroaki, TAKASHIMA, Ikuo, WATANABE, Mamoru, HASEGAWA, Sumiyo, UEDA, Yasufumi, MATSUNO, Kentaro, IWAI, Masae, HORIMOTO, Eiji, KURATA, Takeshi, TAKIZAWA, Takenori
Published in The American journal of tropical medicine and hygiene (01.05.2011)
Published in The American journal of tropical medicine and hygiene (01.05.2011)
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Journal Article
High-throughput analysis of ramelteon, agomelatine, and melatonin in human plasma by ultra-performance liquid chromatography–tandem mass spectrometry
Ogawa, Tadashi, Iwai, Masae, Hattori, Hideki, Zaitsu, Kei, Kumazawa, Takeshi, Ishii, Akira, Suzuki, Osamu, Seno, Hiroshi
Published in Forensic toxicology (01.01.2014)
Published in Forensic toxicology (01.01.2014)
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Journal Article
Detection of a Novel Recombinant Norovirus from Sewage Water in Toyama Prefecture, Japan
Nakamura, Kazuya, Iwai, Masae, Zhang, Jie, Obara, Mayumi, Horimoto, Eiji, Hasegawa, Sumiyo, Kurata, Takeshi, Takizawa, Takenori
Published in Japanese Journal of Infectious Diseases (30.09.2009)
Published in Japanese Journal of Infectious Diseases (30.09.2009)
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Journal Article
Simultaneous determination of barbiturates in human biological fluids by direct immersion solid-phase microextraction and gas chromatography–mass spectrometry
Iwai, Masae, Hattori, Hideki, Arinobu, Tetsuya, Ishii, Akira, Kumazawa, Takeshi, Noguchi, Hiroki, Noguchi, Hiroshi, Suzuki, Osamu, Seno, Hiroshi
Published in Journal of chromatography. B (25.06.2004)
Published in Journal of chromatography. B (25.06.2004)
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Journal Article
Conference Proceeding
Molecular Epidemiology of Echoviruses 11 and 13, Based on an Environmental Surveillance Conducted in Toyama Prefecture, 2002-2003
Iwai, Masae, Yoshida, Hiromu, Matsuura, Kumiko, Fujimoto, Tsuguto, Shimizu, Hiroyuki, Takizawa, Takenori, Nagai, Yoshiyuki
Published in Applied and Environmental Microbiology (01.09.2006)
Published in Applied and Environmental Microbiology (01.09.2006)
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Journal Article
A rapid and simultaneous analysis of theophylline and its metabolites in human whole blood by ultra-performance liquid chromatography-tandem mass spectrometry
Ogawa, Tadashi, Hattori, Hideki, Iwai, Masae, Ito, Kenjiro, Iwakura, Kenya, Ishii, Akira, Suzuki, Osamu, Seno, Hiroshi
Published in Forensic toxicology (01.07.2012)
Published in Forensic toxicology (01.07.2012)
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Journal Article
High-throughput and simultaneous analysis of eight central-acting muscle relaxants in human plasma by ultra-performance liquid chromatography–tandem mass spectrometry in the positive and negative ionization modes
Ogawa, Tadashi, Hattori, Hideki, Kaneko, Rina, Ito, Kenjiro, Iwai, Masae, Mizutani, Yoko, Arinobu, Tetsuya, Ishii, Akira, Seno, Hiroshi
Published in Analytical and bioanalytical chemistry (01.06.2011)
Published in Analytical and bioanalytical chemistry (01.06.2011)
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Journal Article
Single Base Substitutions in the Capsid Region of the Norovirus Genome during Viral Shedding in Cases of Infection in Areas Where Norovirus Infection Is Endemic
Obara, Mayumi, Hasegawa, Sumiyo, Iwai, Masae, Horimoto, Eiji, Nakamura, Kazuya, Kurata, Takeshi, Saito, Naohito, Oe, Hiroshi, Takizawa, Takenori
Published in Journal of Clinical Microbiology (01.10.2008)
Published in Journal of Clinical Microbiology (01.10.2008)
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Journal Article