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仪器网/ 行业应用/ 解决方案/ 通过Biotage Isolera快速纯化液相制备色谱帮助进行人体

通过Biotage Isolera快速纯化液相制备色谱帮助进行人体

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Clandestine laboratories constantly produce new synthetic cannabinoids to circumvent legislative efforts,complicating toxicological analysis. No extensive synthetic cannabinoid quantitative urinary methodsare reported in the literature. We developed and validated a liquid chromatographytandem mass spec-trometric (LCMS/MS) method for simultaneously quantifying JWH-018, JWH-019, JWH-073, JWH-081,JWH-122, JWH 200, JWH-210, JWH-250, JWH-398, RCS-4, AM-2201, MAM-2201, UR-144, CP 47,497-C7,CP 47,497-C8 and their metabolites, and JWH-203, AM-694, RCS-8, XLR-11 and HU-210 parent com-pounds in urine. Non-chromatographically resolved alkyl hydroxy metabolite isomers were consideredsemi-quantitative. Glucuronidase hydrolyzed urine was extracted with 1 ml Biotage SLE+ columns.Specimens were reconstituted in 150 L mobile phase consisting of 50% A (0.01% formic acid in water)and 50% B (0.01% formic acid in 50:50 methanol:acetonitrile). 4 and 25 L injections were performed toacquire data in positive and negative ionization modes, respectively. The LCMS/MS instrument consistedof a Shimadzu UFLCxr system and an ABSciex 5500 Qtrap massspectrometer with an electrospray source.Gradient chromatographic separation was achieved utilizing a Restek Ultra Biphenyl column with a0.5 ml/min flow rate and an overall run time of 19.5 and 11.4 min for positive and negative mode methods,respectively. Quantification was by multiple reaction monitoring with CP 47,497 compounds and HU-210ionized via negative polarity; all other analytes were acquired in positive mode. Lower and upper limitsof linearity were 0.11.0 and 50100 g/l (r2> 0.994). Biotage 快速纯化制备液相色谱 Flash Isolera one Biotage 快速纯化制备液相色谱 Flash Isolera Prime Biotage 快速纯化制备液相色谱 Flash Isolera LS
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