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Development of a generic method for the determination of proton-pump inhibitors by capillary zoneelectrophoresis BJPS
Papp,Lajos Attila; Gyéresi,Árpád; Hancu,Gabriel; Mircia,Eleonora; Kelemen,Hajnal.
A generic capillary zone electrophoresis method was developed for the analysis of four proton pump inhibitors: omeprazole, pantoprazole, lansoprazole and rabeprazole. During preliminary analysis screening of phosphate buffers at different pH levels was performed, in order to determine the optimum pH domain suitable for the simultaneous determination of all studied compounds. A face centered central composite design was employed for the optimization of separation conditions. The effect of buffer concentration, pH and applied voltage was studied; resolution between peaks and migration time of the last compound were considered as responses. Other factors as system temperature, injection parameters, capillary length, were held constant during the optimization...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Capillary electrophoresis; Proton-pump inhibitors; Experimental design.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502019000100534
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