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Optimization of polymeric nanoparticles separation and purification
 Vencl, Jáchym ; Holas, Ondřej (advisor) ; Ondrejček, Pavel (referee)
Charles University, Faculty of Pharmacy in Hradci Králové Department of: Pharmaceutical technology Consultants: Jana Kubačková, Ondřej Holas Student: Jáchym Vencl Title of Thesis: Optimization of polymeric nanoparticles separation and purification protocol Poly(lactic-co-glycolic) acid (PLGA) is one of the most successful polymeric molecule invented for biomedical use. PLGA's biggest advantage lies in its biodegradability and nontoxicityChyba! Záložka není definována.. It has been approved by EMA for human use. Because of increasing number of protein or nucleic acid based drugs the need for sophisticated drug delivery systems grows. PLGA nanoparticles (NPs) present exactly such drug delivery system capable of encapsulating large variety of compoundsChyba! Záložka není definována.. Within this study we have researched optimization of separation and purification of drug loaded NPs. They were prepared by nanoprecipitation of PLGAChyba! Záložka není definována.. Separation and purification of NPs was done using multiple cycles of centrifugation. We evaluated purification of particles prepared from five different PLGA polymers. Different centrifugation times were applied to find the most effective way. Water and two types of stabilizers each one in two concentrations have been used as purification...
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