Multiply Twisted Chiral Macrocycles Clamped by Tethered Binaphthyls Exhibiting High Circularly Polarized Luminescence Brightness
Hasegawa, Masashi, Hasegawa, Chika, Nagaya, Yuki, Tsubaki, Kazunori, Mazaki, Yasuhiro
Published in Chemistry : a European journal (21.10.2022)
Published in Chemistry : a European journal (21.10.2022)
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Journal Article
A Case of Caffeine Intoxication, in which the Theophylline Level Served as an Indicator of the Treatment Course and the Caffeine Level could be Measured
Yoshimine, Naoyuki, Oba, Nobuyuki, Hasegawa, Chika, Inoue, Nanako, Nagumo, Hideki, Arashiyama, Makoto, Orihara, Shinya, Takahashi, Shintaro, Inuyama, Mitsuko, Nishinakagawa, Shuta
Published in Internal Medicine (01.08.2024)
Published in Internal Medicine (01.08.2024)
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Journal Article
Analysis of cardiohemodynamic and electrophysiological effects of morphine along with its toxicokinetic profile using the halothane-anesthetized dogs
Goto, Ai, Kambayashi, Ryuichi, Fujishiro, Masaya, Hasegawa, Chika, Izumi-Nakaseko, Hiroko, Takei, Yoshinori, Kurosaki, Kunihiko, Sugiyama, Atsushi
Published in Journal of toxicological sciences (2024)
Published in Journal of toxicological sciences (2024)
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Journal Article
Quantitative determination of phenothiazine derivatives in human plasma using monolithic silica solid-phase extraction tips and gas chromatography–mass spectrometry
Kumazawa, Takeshi, Hasegawa, Chika, Uchigasaki, Seisaku, Lee, Xiao-Pen, Suzuki, Osamu, Sato, Keizo
Published in Journal of Chromatography A (06.05.2011)
Published in Journal of Chromatography A (06.05.2011)
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Journal Article
High-throughput determination of nonsteroidal anti-inflammatory drugs in human plasma by HILIC-MS/MS
Nemoto, Tetsuya, Lee, Xiao-Pen, Kumazawa, Takeshi, Hasegawa, Chika, Fujishiro, Masaya, Marumo, Akemi, Shouji, Yukiko, Inagaki, Katsunori, Sato, Keizo
Published in Journal of pharmaceutical and biomedical analysis (01.01.2014)
Published in Journal of pharmaceutical and biomedical analysis (01.01.2014)
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Journal Article
A new method for high-resolution and high-precision analysis of flunitrazepam and 7-aminoflunitrazepam in human body fluids using a Monolithic SPE SpinTip and UPLC–Q-ToF–MS
Fujishiro, Masaya, Noguchi, Ai, Lee, Xiao-Pen, Hasegawa, Chika, Kumazawa, Takeshi, Miyazaki, Shota, Kuriki, Ayako, Hashimoto, Mari, Sato, Keizo, Matsuyama, Takaaki
Published in Forensic toxicology (01.07.2019)
Published in Forensic toxicology (01.07.2019)
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Journal Article
High-throughput determination of valproate in human samples by modified QuEChERS extraction and GC-MS/MS
Mizuno, Shun, Lee, Xiao-Pen, Fujishiro, Masaya, Matsuyama, Takaaki, Yamada, Miho, Sakamoto, Yuki, Kusano, Maiko, Zaitsu, Kei, Hasegawa, Chika, Hasegawa, Iwao, Kumazawa, Takeshi, Ishii, Akira, Sato, Keizo
Published in Legal medicine (Tokyo, Japan) (01.03.2018)
Published in Legal medicine (Tokyo, Japan) (01.03.2018)
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Journal Article
High-throughput identification and determination of aminoglycoside antibiotics in human plasma using UPLC-Q-ToF-MS
Minohara, Sawa, Fujishiro, Masaya, Lee, Xiao-Pen, Imai, Ayumi, Hashimoto, Mari, Hasegawa, Chika, Kuroki, Tomoaki, Kadomatsu, Koichi, Kumazawa, Takeshi, Kato, Akihito, Matsuyama, Takaaki
Published in European journal of mass spectrometry (Chichester, England) (01.02.2021)
Published in European journal of mass spectrometry (Chichester, England) (01.02.2021)
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Journal Article
Rapid and highly sensitive analysis of benzodiazepines and tandospirone in human plasma by automated on-line column-switching UFLC-MS/MS
Lee, Xiao-Pen, Shouji, Yukiko, Kumazawa, Takeshi, Hasegawa, Chika, Fujishiro, Masaya, Sato, Junichi, Hasegawa, Iwao, Sato, Keizo
Published in Legal medicine (Tokyo, Japan) (01.01.2017)
Published in Legal medicine (Tokyo, Japan) (01.01.2017)
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Journal Article
Simultaneous determination of methamphetamine and amphetamine in human urine using pipette tip solid-phase extraction and gas chromatography–mass spectrometry
Kumazawa, Takeshi, Hasegawa, Chika, Lee, Xiao-Pen, Hara, Kenji, Seno, Hiroshi, Suzuki, Osamu, Sato, Keizo
Published in Journal of pharmaceutical and biomedical analysis (28.06.2007)
Published in Journal of pharmaceutical and biomedical analysis (28.06.2007)
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Journal Article
Determination of dextromethorphan in human plasma using pipette tip solid-phase extraction and gas chromatography–mass spectrometry
Hasegawa, Chika, Kumazawa, Takeshi, Uchigasaki, Seisaku, Lee, Xiao-Pen, Sato, Keizo, Terada, Masaru, Kurosaki, Kunihiko
Published in Analytical and bioanalytical chemistry (01.10.2011)
Published in Analytical and bioanalytical chemistry (01.10.2011)
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Journal Article
Molecularly imprinted solid-phase extraction for the selective determination of methamphetamine, amphetamine, and methylenedioxyphenylalkylamine designer drugs in human whole blood by gas chromatography-mass spectrometry
Kumazawa, Takeshi, Hasegawa, Chika, Hara, Kenji, Uchigasaki, Seisaku, Lee, Xiao-Pen, Seno, Hiroshi, Suzuki, Osamu, Sato, Keizo
Published in Journal of separation science (01.03.2012)
Published in Journal of separation science (01.03.2012)
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Journal Article
Simultaneous determination of ten antihistamine drugs in human plasma using pipette tip solid-phase extraction and gas chromatography/mass spectrometry
Hasegawa, Chika, Kumazawa, Takeshi, Lee, Xiao-Pen, Fujishiro, Masaya, Kuriki, Ayako, Marumo, Akemi, Seno, Hiroshi, Sato, Keizo
Published in Rapid communications in mass spectrometry (28.02.2006)
Published in Rapid communications in mass spectrometry (28.02.2006)
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Journal Article
Analysis of quazepam and its metabolites in human urine by gas chromatography–mass spectrometry: Application to a forensic case
Terada, Masaru, Shinozuka, Tatsuo, Hasegawa, Chika, Tanaka, Einosuke, Hayashida, Makiko, Ohno, Youkichi, Kurosaki, Kunihiko
Published in Forensic science international (10.04.2013)
Published in Forensic science international (10.04.2013)
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Journal Article
Sensitive determination of midazolam and propofol in human plasma by GC–MS/MS
Kaki, Yuki, Fujishiro, Masaya, Lee, Xiao-Pen, Kato, Akihito, Sakamoto, Yuki, Hashimoto, Mari, Minohara, Sawa, Hasegawa, Chika, Hasegawa, Iwao, Dohi, Kenji, Kumazawa, Takeshi, Ishii, Akira, Sato, Keizo, Matsuyama, Takaaki
Published in Forensic toxicology (01.07.2020)
Published in Forensic toxicology (01.07.2020)
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Journal Article
Pipette tip solid-phase extraction and gas chromatography - mass spectrometry for the determination of methamphetamine and amphetamine in human whole blood
Hasegawa, Chika, Kumazawa, Takeshi, Lee, Xiao-Pen, Marumo, Akemi, Shinmen, Natsuko, Seno, Hiroshi, Sato, Keizo
Published in Analytical and bioanalytical chemistry (01.09.2007)
Published in Analytical and bioanalytical chemistry (01.09.2007)
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Journal Article
Determination of tricyclic antidepressants in human plasma using pipette tip solid-phase extraction and gas chromatography-mass spectrometry
Lee, Xiao-Pen, Hasegawa, Chika, Kumazawa, Takeshi, Shinmen, Natsuko, Shoji, Yukiko, Seno, Hiroshi, Sato, Keizo
Published in Journal of separation science (01.07.2008)
Published in Journal of separation science (01.07.2008)
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Journal Article
Determination of diazepam and its metabolites in human urine by liquid chromatography/tandem mass spectrometry using a hydrophilic polymer column
Umezawa, Hironobu, Lee, Xiao-Pen, Arima, Yoshiko, Hasegawa, Chika, Marumo, Akemi, Kumazawa, Takeshi, Sato, Keizo
Published in Rapid communications in mass spectrometry (15.08.2008)
Published in Rapid communications in mass spectrometry (15.08.2008)
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Journal Article
A new method for quantitative determination of dimemorfan in human plasma using monolithic silica solid-phase extraction tips
Hasegawa, Chika, Kumazawa, Takeshi, Terada, Masaru, Lee, Xiao-Pen, Sato, Keizo, Uchigasaki, Seisaku, Kurosaki, Kunihiko
Published in Legal medicine (Tokyo, Japan) (01.09.2012)
Published in Legal medicine (Tokyo, Japan) (01.09.2012)
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