Title: Factorial design, physicochemical characterisation and activity of ciprofloxacin-PLGA nanoparticles
Authors: Dillen, Kathleen ×
Vandervoort, Jo
Van den Mooter, Guy
Verheyden, Loes
Ludwig, Annick #
Issue Date: Apr-2004
Series Title: International journal of pharmaceutics. vol:275 issue:1-2 pages:171-187
Abstract: Poly(lactide-co-glycolide) nanoparticles incorporating ciprofloxacin HCl were prepared by means of a W/O/W emulsification solvent evaporation method. The stabiliser selected was poly(vinylalcohol). A 2(4) full factorial design based on four independent variables was used to plan the experiments and the variable parameters were the number of homogenisation cycles, addition of boric acid to the inner water phase containing the drug, ciprofloxacin concentration in the inner water phase and oil:outer water phase ratio. The effects of these parameters on the particle size, zeta potential, drug loading efficiency and drug release were investigated. Also the effect of gamma irradiation on the particle size and drug release was evaluated and DSC and XRD analyses of the compounds and the nanoparticles were performed. The activity on two series of microorganisms, Pseudomonas aeruginosa and Staphylococcus aureus, was examined.
ISSN: 0378-5173
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Drug Delivery and Disposition
× corresponding author
# (joint) last author

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