海量图书期刊资源,随时随地畅享阅读乐趣
Quantification of testosterone and epitestosterone in biological samples by capillary electrophoresis with immunoaffinity extractionHong-Xu Chen; Qin-Pei Deng; Li-Wei Zhang; Xin-Xiang Zhang · 2009
Extraction of testosterone and epitestosterone in human urine using 2-propanol–salt–H2O systemHailing Liu; Chiyang He; Dawei Wen; Huwei Liu; Feng Liu; Kean Li · 2006
Quantification of testosterone and epitestosterone in human urine samples by stir bar sorptive extraction – thermal desorption – gas chromatography/mass spectrometry: Application to HIV-positive urine samplesAdriana Stopforth; Cornelis J. Grobbelaar; Andrew M. Crouch; Pat Sandra · 2007
Ionic liquid-based aqueous two-phase system, a sample pretreatment procedure prior to high-performance liquid chromatography of opium alkaloidsShehong Li; Chiyang He; Huwei Liu; Kean Li; Feng Liu · 2005
Extraction and determination of morphine in compound liquorice using an aqueous two-phase system of poly(ethylene glycol)/K2HPO4 coupled with HPLCShehong Li; Chiyang He; Fei Gao; Daobing Li; Zheng Chen; Huwei Liu; Kean Li; Feng Liu · 2007