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- W2099871354 abstract "ABSTRACT The inflammation and pain associated with osteoarthritis are treated with nonsteroidal anti‐inflammatory drugs (NSAIDs). This treatment is accompanied by several side effects; therefore local intra articular (IA) NSAID injection can be more efficient and safe than systemic administration or topical use. In this study, alginate−chitosan−pluronic nanoparticles were considered as a new vehicle for IA meloxicam delivery. These novel nanoparticles were prepared using an ionotropic gelation method and were optimized for variables such as alginate to chitosan mass ratio, pluronic concentration, and meloxicam concentration using a 3‐factor in 3‐level Box‐Behnken design. To optimize the formulation, the dependent variables considered were particle size, zeta potential, entrapment efficiency, and mean dissolution time (MDT). The nanoparticles morphology was characterized by FESEM and AFM. The potential interactions of the drug‐polymers were investigated by ATR‐FTIR and DSC, and the delivery profile of meloxicam from the nanoparticles was obtained. The average particle size of the optimized nanoparticles was 283 nm, the zeta potential was −16.9 mV, the meloxicam entrapment efficiency was 55%, and the MDT was 8.9 hours. The cumulative released meloxicam amount from the composite nanoparticles was 85% at pH 7.4 within 96 h. The release profile showed an initial burst release followed by a sustained release phase. The release mechanism was non‐Fickian diffusion. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015 , 132 , 42241." @default.
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- W2099871354 date "2015-04-09" @default.
- W2099871354 modified "2023-10-09" @default.
- W2099871354 title "Design and optimization of alginate−chitosan−pluronic nanoparticles as a novel meloxicam drug delivery system" @default.
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- W2099871354 doi "https://doi.org/10.1002/app.42241" @default.
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