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Rapid, sensitive procedure to determine buspirone levels in rat brains using gas chromatography with
1Department of Psychiatry (Neurochemical Research Unit), W. Mackenzie Health Sciences Centre, University of Alberta, Edmonton, Canada.
Abstract:
Reported here is a rapid, sensitive and relatively inexpensive procedure using gas chromatography with nitrogen-phosphorus detection (GC-NPD) to quantify buspirone levels in brains of rats. The analyte was directly extracted from brain homogenate with toluene after basification and then subjected to GC-NPD analysis using a capillary column. The calibration curves were linear over the range of 10 to 320 ng per 2 ml of brain homogenate, with typical r2 values >0.99. The assay was highly reproducible and gave peaks with excellent chromatographic properties.