Beom Jun Ko

The impurity characteristics of methamphetamine synthesized by Emde and Nagai method

Beom Jun Ko, SungIll Suh, Yong Jun Suh et al. · Forensic Science International · 2007 · 34 citations

Impurity Characteristics, Nagai Method, Medicine +4

Derivatization-assisted LC-MS/MS method for simultaneous quantification of endogenous gamma-hydroxybutyric acid and its metabolic precursors and products in human urine

Suji Kim, Min Seo Lee, Mingyu Kim et al. · Analytica Chimica Acta · 2021 · 23 citations

Human Urine, Derivatization-assisted Lc-ms/ms Method, Biochemistry +13

Screening Method for the Detection of Methamphetamine in Hair Using Fluorescence Polarization Immunoassay

Jae Chul Cheong, Sang Heon Suh, Beom Jun Ko et al. · Journal of Analytical Toxicology · 2013 · 17 citations · Full text

Gas chromatography‐mass spectrometric method for the screening and quantification of illicit drugs and their metabolites in human urine using solid‐phase extraction and trimethylsilyl derivatization

Jae Chul Cheong, Sung Ill Suh, Beom Jun Ko et al. · Journal of Separation Science · 2010 · 15 citations

Simultaneous determination of methamphetamine, 3,4-methylenedioxy-N-methylamphetamine, 3,4-methylenedioxy-N-ethylamphetamine, N,N-dimethylamphetamine, and their metabolites in urine by liquid chromatography-electrospray ionization-tandem mass spectrometry

Jin Young Kim, Jae Chul Cheong, Beom Jun Ko et al. · Archives of Pharmacal Research · 2008 · 15 citations

Psychoactive Drug, Medicine, Drug Purity +9