全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Ge Liya , Yong Jean Wan Hong , Goh Ngoh Khang ...
来源:[J].Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences(IF 2.487), 2005, Vol.829 (1-2), pp.26-34PubMed
摘要:Kinetin (free base and riboside), which was assumed by many scientists to be a synthetic cytokinin plant growth hormone, has been detected for the first time in the endosperm liquid of fresh young coconut fruits ("coconut water"). To facilitate the study, we developed a sensitive...
作者:Nieto Antonio , Borrull Francesc , Marcé Rosa Maria ...
来源:[J].Journal of Chromatography A, 2009, Vol.1216 (30), pp.5619-25PubMed
摘要:... The method combines pressurized liquid extraction and ultra high performance liquid chromatography-tandem mass spectrometry. Most of the parameters that affect the extraction step such as temperature, pressure, static extraction time, number of cycles, purge time and flush vo...
作者:You Youwen , Uboh Cornelius E , Soma Lawrence R ...
来源:[J].Journal of Chromatography A, 2011, Vol.1218 (26), pp.3982-93PubMed
摘要:The potential for using testosterone and nandrolone esters in racehorses to boost the biological concentrations of these steroids and enhance athletic performance is very compelling and should be seriously considered in formulating regulatory policies for doping control. In order...
作者:Yu Huan , Tao Yanfei , Chen Dongmei ...
来源:[J].Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences, 2011, Vol.879 (25), pp.2653-62PubMed
摘要:... A quantitative high performance liquid chromatography method (HPLC) and a confirmative liquid chromatography-tandem mass spectrometry (LC-MS/MS) for the simultaneous determination of 18 sulfonamides such as sulfamidinum, sulfanilamide, sulfisomidine, sulfadiazine, sulfapyr...
作者:Yu Huan , Tao Yanfei , Chen Dongmei ...
来源:[J].Analytica Chimica Acta, 2010, Vol.682 (1-2), pp.48-58PubMed
摘要:... These include a high performance liquid chromatography (HPLC) method and a liquid chromatography-tandem mass spectrometry (LC-MS/MS) method and are useful in regular monitoring and in toxicity studies of these molecules. Representative samples used in this study include ...
作者:Wenzl Thomas , Karasek Lubomir , Rosen Johan ...
来源:[J].Journal of Chromatography A(IF 4.612), 2006, Vol.1132 (1-2), pp.211-8PubMed
摘要:... The methods are based on gas chromatography-mass spectrometry (GC-MS) of the derivatised analyte and on high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) of native acrylamide. Isotope dilution with isotopically labelled acrylamide was an integral pa...
作者:Huang Baifen , Han Zheng , Xu Xiaomin ...
来源:[J].Sepu, 2011, Vol.29 (1), pp.20-5PubMed
摘要:A reliable ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method for the simultaneous determination of 7 female sex hormones (estriol, estradiol, estrone, ethinyloestradiol, dienestrol, hexestrol, diethylstilbestrol) in essential oil was develo...
作者:Herrera Michael , Ding Haiqing , McClanahan Robert ...
来源:[J].Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences(IF 2.487), 2007, Vol.857 (1), pp.9-14PubMed
摘要:A highly sensitive and quantitative LC/MS/MS assay for the determination of tilmicosin in serum has been developed and validated. For sample preparation, 0.2 mL of canine serum was extracted with 3 mL of methyl tert-butyl ether. The organic layer was transferred to a new vessel a...
作者:Hiserodt Richard D , Adedeji Jide , John T V ...
来源:[J].Journal of Agricultural and Food Chemistry(IF 2.906), 2004, Vol.52 (11), pp.3536-41PubMed
摘要:... Using high performance liquid chromatography-tandem mass spectrometry, monomenthyl succinate was identified in Lycium barbarum and Mentha piperita, and monomenthyl glutarate and dimenthyl glutarate were identified in Litchi chinesis. The identifications were based on the corr...
作者:van Pinxteren Manuela , Bauer Coretta , Popp Peter
来源:[J].Journal of Chromatography A, 2009, Vol.1216 (31), pp.5800-6PubMed
摘要:This work describes the application of two sample preparation methods: membrane-assisted solvent extraction (MASE) and solid phase extraction (SPE) in combination with high performance liquid chromatography-tandem mass spectrometry (HPLC-MS-MS) for the determination of 10 pestici...

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