Derivatization-assisted LC-MS/MS method for simultaneous quantification of endogenous gamma-hydroxybutyric acid and its metabolic precursors and products in human urine von Kim, Suji, Lee, Min Seo, Kim, Mingyu, Ko, Beom Jun, Lee, Hye Suk, Lee, Sooyeun

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Urinary creatinine concentration and urine color as indicators of specimen validity test von Park, Jaehyeong, Kwon, Nam Hee, Kim, Seon Yeong, Ko, Beom Jun, Kim, Jin Young

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Gas chromatography-mass spectrometric method for the screening and quantification of illicit drugs and their metabolites in human urine using solid-phase extraction and trimethylsi... von Cheong, Jae Chul, Suh, Sung Ill, Jun Ko, Beom, Kim, Jin Young, In, Moon Kyo, Cheong, Won Jo

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Rapid and simple LC–MS/MS determination of urinary ethyl glucuronide, naltrexone, 6β-naltrexol, chlordiazepoxide, and norchlordiazepoxide for monitoring alcohol abuse von Sim, Yeong Eun, Kim, Ji Woo, Ko, Beom Jun, Kim, Jin Young

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(1 S ,2 S )-1-Methylamino-1-phenyl-2-chloropropane: Route specific marker impurity of methamphetamine synthesized from ephedrine via chloroephedrine von Ko, Beom Jun, Suh, SungIll, Suh, Yong Jun, In, Moon Kyo, Kim, Sung-Hong, Kim, Jeong-Han

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The impurity characteristics of methamphetamine synthesized by Emde and Nagai method von Ko, Beom Jun, Suh, SungIll, Suh, Yong Jun, In, Moon Kyo, Kim, Sung-Hong

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Determination of urinary metabolites of cannabidiol, Δ8-tetrahydrocannabinol, and Δ9-tetrahydrocannabinol by automated online μSPE–LC–MS/MS method von Sim, Yeong Eun, Kim, Ji Woo, Ko, Beom Jun, Kim, Jin Young, Cheong, Jae Chul, Pyo, Jaesung

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Ion chromatography‐based determination of lithium in human urine for monitoring medication compliance von Kwon, Nam Hee, Park, Jaehyeong, Kim, Seon Yeong, Ko, Beom Jun, Cheong, Jae Chul, Kim, Jin Young

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Discrimination of Human Urine from Animal Urine Using 1H-NMR von Lee, Wonho, Ko, Beom Jun, Sim, Yeong eun, Suh, Sungill, Yoon, Dahye, Kim, Suhkmann

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Uncertainty Evaluation for Determination of Methamphetamine and Amphetamine Enantiomers in Urine von Kim, Jin Young, Sim, Yeong Eun, Ko, Beom Jun

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Determination of urinary metabolites of cannabidiol, Δ 8 -tetrahydrocannabinol, and Δ 9 -tetrahydrocannabinol by automated online μSPE-LC-MS/MS method von Sim, Yeong Eun, Kim, Ji Woo, Ko, Beom Jun, Kim, Jin Young, Cheong, Jae Chul, Pyo, Jaesung

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In Vitro Metabolism of Flucetosulfuron by Human Liver Microsomes von Lee, Yong-Sang, Liu, Kwang-Hyeon, Moon, Joon-Kwan, Ko, Beom Jun, Choi, Hoon, Hwang, Kook-Sang, Kim, Eunhye, Kim, Jeong-Han

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Effect of Asiasari radix on osteoblastic differentiation of stem cells derived from gingiva von Jeong, Su-Hyeon, Lee, Ji-Eun, Jin, Seong-Ho, Ko, Youngkyung, Park, Jun-Beom

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Effect of Asiasari radix on osteoblastic differentiation of stem cells derived from gingiva von Su-Hyeon Jeong Ji-Eun Lee Seong-Ho Jin Youngkyung Ko Jun-Beom Park

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Determination of methamphetamine and amphetamine enantiomers in human urine by chiral stationary phase liquid chromatography-tandem mass spectrometry von Sim, Yeong Eun, Ko, Beom Jun, Kim, Jin Young

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Screening Method for the Detection of Methamphetamine in Hair Using Fluorescence Polarization Immunoassay von Cheong, Jae Chul, Suh, SungIll, Ko, Beom Jun, Lee, Jae Il, Kim, Jin Young, Suh, Yong Jun, In, Moon Kyo

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Impurity profiling and chemometric analysis of methamphetamine seizures in Korea von Shin, Dong Won, Ko, Beom Jun, Cheong, Jae Chul, Lee, Wonho, Kim, Suhkmann, Kim, Jin Young

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Simultaneous determination of methamphetamine, 3,4-methylenedioxy-N-methylamphetamine, 3,4-methylenedioxy-N-ethylamphetamine, N,N-dimethylamphetamine, and their metabolites in urin... von Kim, Jin Young, Cheong, Jae Chul, Ko, Beom Jun, Lee, Sang Kyu, Yoo, Hye Hyun, Jin, Changbae, In, Moon Kyo

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인증표준물질(CRM)을 이용한 소변 중 대마 대사체 분석법 평가 von 고범준(Beom Jun Ko), 김진영(Jin Young Kim), 김종상(Jong Sang Kim), 이정직(Jeong Jik Lee), 정재철(Jae Chul Cheong), 서승일(SungIll Suh), 인문교(Moon Kyo In)

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GC-MS/MS를 이용한 모발 중 암페타민 유도체 및 노르케타민 동시분석 von 김진영(Jin Young Kim), 신순호(Soon Ho Shin), 고범준(Beom Jun Ko), 정재철(Jae Cheol Chung), 서용준(Yong Jun Suh), 인문교(Moon Kyo In)

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