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- W2011122322 abstract "A prepurification procedure for the determination of catecholamines in biological samples was studied to simplify the procedure and increase selectivity and recovery. The procedure is based on liquid/liquid extraction of catecholamine-borate complexes. Under optimal conditions, catecholamines formed complexes with diphenylborate in an alkaline NH 4 Cl/NH 4 OH buffer that were extracted with n-heptanol. Catecholamines were reextracted into an HCl-acidified solution, followed by reversed-phase ion-pair high-performance liquid Chromatographic separation with fluorometric detection. Application of the method to various samples of rat tissues and human urine showed procedural simplicity, high selectivity, and high recovery (about 90% or more for tissue samples). This method can be used for pharmacological studies on catecholamines." @default.
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- W2011122322 title "High-performance liquid chromatographie analysis of catecholamines in biological samples by liquid/liquid extraction prepurification" @default.
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- W2011122322 doi "https://doi.org/10.1016/0160-5402(90)90005-6" @default.
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