Add time:09/09/2019         Source:sciencedirect.com

A fast, sensitive, and enantioselective LC–MS/MS bioanalytical method was developed and validated for the direct determination of individual Alprenolol (cas 13655-52-2) enantiomers in human plasma using cellobiohydrolase (CBH) chiral stationary phases (CSP) along with supported liquid extraction (SLE) procedures. Complete baseline separation of enantiomeric alprenolol was achieved within 2 min in reversed phase chromatography at 0.9 ml/min. SLE in a 96-well plate format was used for sample extraction. The method validation was conducted over the curve range of 0.500–500 ng/ml for each alprenolol enantiomer using 0.0500 ml of plasma sample. The intra- and inter-day precision and accuracy of the quality control samples at low, medium, and high concentration levels showed ≤7.3% relative standard deviation (RSD) and −6.2 to 8.0% relative error (RE) for both alprenolol enantiomers.

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