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Abstract
A sensitive analytical method for U-80, 278A, a substituted aminotetralin analogue in rat plasma, whole blood and brain tissue has been developed. The method involves solid phase extraction, efficient reversed phase HPLC and fluorescence detection, and can measure 1 ng/ml from 50 μl samples. During method development, many analogues were investigated and a wide range of extraction and HPLC conditions were explored. These experiments enabled rapid modification and revalidation of the method to support animal experiments with novel analogues.