Rapid identification and quantification of methamphetamine and amphetamine in hair by gas chromatography/mass spectrometry coupled with micropulverized extraction, aqueous … H Miyaguchi, YT Iwata, T Kanamori, K Tsujikawa, K Kuwayama, H Inoue Journal of Chromatography A 1216 (18), 4063-4070, 2009 | 104 | 2009 |
An antibiotic-binding motif of an RNA fragment derived from the A-site-related region of Escherichia coli 16S rRNA H Miyaguchi, H Narita, K Sakamoto, S Yokoyama Nucleic acids research 24 (19), 3700-3706, 1996 | 93 | 1996 |
In vitro stability and metabolism of salvinorin A in rat plasma K Tsujikawa, K Kuwayama, H Miyaguchi, T Kanamori, YT Iwata, H Inoue Xenobiotica 39 (5), 391-398, 2009 | 83 | 2009 |
Analysis of hallucinogenic constituents in Amanita mushrooms circulated in Japan K Tsujikawa, H Mohri, K Kuwayama, H Miyaguchi, Y Iwata, A Gohda, ... Forensic science international 164 (2-3), 172-178, 2006 | 76 | 2006 |
Development of a micropulverized extraction method for rapid toxicological analysis of methamphetamine in hair H Miyaguchi, M Kakuta, YT Iwata, H Matsuda, H Tazawa, H Kimura, ... Journal of Chromatography A 1163 (1-2), 43-48, 2007 | 74 | 2007 |
Degradation pathways of 4-methylmethcathinone in alkaline solution and stability of methcathinone analogs in various pH solutions K Tsujikawa, T Mikuma, K Kuwayama, H Miyaguchi, T Kanamori, YT Iwata, ... Forensic science international 220 (1-3), 103-110, 2012 | 69 | 2012 |
Microchip-based liquid–liquid extraction for gas-chromatography analysis of amphetamine-type stimulants in urine H Miyaguchi, M Tokeshi, Y Kikutani, A Hibara, H Inoue, T Kitamori Journal of Chromatography A 1129 (1), 105-110, 2006 | 69 | 2006 |
A method for screening for various sedative-hypnotics in serum by liquid chromatography/single quadrupole mass spectrometry H Miyaguchi, K Kuwayama, K Tsujikawa, T Kanamori, YT Iwata, H Inoue, ... Forensic Science International 157 (1), 57-70, 2006 | 66 | 2006 |
Determination of muscimol and ibotenic acid in Amanita mushrooms by high-performance liquid chromatography and liquid chromatography-tandem mass spectrometry K Tsujikawa, K Kuwayama, H Miyaguchi, T Kanamori, Y Iwata, H Inoue, ... Journal of Chromatography B 852 (1-2), 430-435, 2007 | 64 | 2007 |
Time-course measurements of caffeine and its metabolites extracted from fingertips after coffee intake: a preliminary study for the detection of drugs from fingerprints K Kuwayama, K Tsujikawa, H Miyaguchi, T Kanamori, YT Iwata, H Inoue Analytical and bioanalytical chemistry 405, 3945-3952, 2013 | 59 | 2013 |
Forensic application of chiral separation of amphetamine-type stimulants to impurity analysis of seized methamphetamine by capillary electrophoresis YT Iwata, H Inoue, K Kuwayama, T Kanamori, K Tsujikawa, H Miyaguchi, ... Forensic science international 161 (2-3), 92-96, 2006 | 58 | 2006 |
Determination of amphetamine-type stimulants, cocaine and ketamine in human hair by liquid chromatography/linear ion trap–Orbitrap hybrid mass spectrometry H Miyaguchi, H Inoue Analyst 136 (17), 3503-3511, 2011 | 50 | 2011 |
Identification of impurities and the statistical classification of methamphetamine using headspace solid phase microextraction and gas chromatography–mass spectrometry K Kuwayama, K Tsujikawa, H Miyaguchi, T Kanamori, Y Iwata, H Inoue, ... Forensic science international 160 (1), 44-52, 2006 | 49 | 2006 |
The use of a sulfonated capillary on chiral capillary electrophoresis/mass spectrometry of amphetamine-type stimulants for methamphetamine impurity profiling T Mikuma, YT Iwata, H Miyaguchi, K Kuwayama, K Tsujikawa, T Kanamori, ... Forensic Science International 249, 59-65, 2015 | 46 | 2015 |
Rapid analysis of methamphetamine in hair by micropulverized extraction and microchip-based competitive ELISA H Miyaguchi, H Takahashi, T Ohashi, K Mawatari, YT Iwata, H Inoue, ... Forensic science international 184 (1-3), 1-5, 2009 | 43 | 2009 |
Comparison and classification of methamphetamine seized in Japan and Thailand using gas chromatography with liquid–liquid extraction and solid-phase microextraction K Kuwayama, H Inoue, J Phorachata, K Kongpatnitiroj, V Puthaviriyakorn, ... Forensic science international 175 (2-3), 85-92, 2008 | 42 | 2008 |
Chemical profiling of seized methamphetamine putatively synthesized from phenylacetic acid derivatives K Tsujikawa, K Kuwayama, H Miyaguchi, T Kanamori, YT Iwata, H Inoue Forensic Science International 227 (1-3), 42-44, 2013 | 38 | 2013 |
Three-step drug extraction from a single sub-millimeter segment of hair and nail to determine the exact day of drug intake K Kuwayama, H Miyaguchi, YT Iwata, T Kanamori, K Tsujikawa, ... Analytica chimica acta 948, 40-47, 2016 | 37 | 2016 |
Rapid, simple, and highly sensitive analysis of drugs in biological samples using thin-layer chromatography coupled with matrix-assisted laser desorption/ionization mass … K Kuwayama, K Tsujikawa, H Miyaguchi, T Kanamori, YT Iwata, H Inoue Analytical and bioanalytical chemistry 402, 1257-1267, 2012 | 37 | 2012 |
Effectiveness of saliva and fingerprints as alternative specimens to urine and blood in forensic drug testing K Kuwayama, H Miyaguchi, T Yamamuro, K Tsujikawa, T Kanamori, ... Drug Testing and Analysis 8 (7), 644-651, 2016 | 36 | 2016 |