Hajime Miyaguchi

Rapid identification and quantification of methamphetamine and amphetamine in hair by gas chromatography/mass spectrometry coupled with micropulverized extraction, aqueous acetylation and microextraction by packed sorbent

Hajime Miyaguchi, Yuko Iwata, Tatsuyuki Kanamori et al. · Journal of Chromatography A · 2009 · 96 citations

Packed Sorbent, Micropulverized Extraction, Gas Chromatography +13

An antibiotic-binding motif of an RNA fragment derived from the A-site- related region of Escherichia coli 16S rRNA

Hajime Miyaguchi · Nucleic Acids Research · 1996 · 69 citations · Full text

Development of a micropulverized extraction method for rapid toxicological analysis of methamphetamine in hair

Hajime Miyaguchi, Masaya Kakuta, Yuko Iwata et al. · Journal of Chromatography A · 2007 · 66 citations

Micropulverized Extraction Method, Medicine, Bioanalysis +7

Degradation pathways of 4-methylmethcathinone in alkaline solution and stability of methcathinone analogs in various pH solutions

Kenji Tsujikawa, Toshiyasu Mikuma, Kenji Kuwayama et al. · Forensic Science International · 2012 · 63 citations

Biochemistry, Degradation Pathways, Natural Sciences +6

<i>In vitro</i>stability and metabolism of salvinorin A in rat plasma

Kenji Tsujikawa, Kenji Kuwayama, Hajime Miyaguchi et al. · Xenobiotica · 2009 · 62 citations

Pharmaceutical Science, Salvinorin A, Pharmacological Study +12