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Recombinant growth hormone delivery systems based on vinylpyrrolidone-hydroxyethyl methacrylate copolymer matrices : Monitoring optimization by capillary zone electrophoresis

AuthorsCifuentes, Alejandro ; Diez-Masa, Jose Carlos; Montenegro, Carlos; Rebuelta, Mercedes; Gallardo Ruiz, Alberto ; Elvira, Carlos ; San Román, Julio
capillary zone electrophoresis
Issue Date2000
PublisherBrill Academic Publishers
CitationJournal of Biomaterials Science, Polymer Edition 11 (9) : 993-1005 (2000)
AbstractExperimental conditionsfor the fabricationoftwo new polymeric devices (i.e. lms and slabs)useful for the controlled release of recombinant growthhormone(GH) are given. The release rate is controlled by the resorption pro le of the vinylpyrrolidone-hydroxyethyl methacrylate(VP- HEMA) tested systems which is related to the copolymer composition. The suitability of capillary electrophoresis(CE) for followingthe complete preparation of the different VP-HEMA devices is shown. Moreover, CE allows simultaneousmonitoring ofthe controlled release ofGH anddissolved polymer duringin vitroexperiments. From these results, guidelines are given for the fabrication of polymeric devices containing protein as active drugas wellas for the correct selection of conditions during in vitroexperiments
Publisher version (URL)http://dx.doi.org/10.1163/156856200744156
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