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by Keyword: Poly(lactic acid


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Levato, Riccardo, Mateos-Timoneda, Miguel A., Planell, Josep A., (2012). Preparation of biodegradable polylactide microparticles via a biocompatible procedure Macromolecular Bioscience 12, (4), 557-566

PLA MPs are prepared via a novel and toxic-chemical-free fabrication route using ethyl lactate, a green solvent and FDA-approved aroma. MPs are obtained by a solution jet break-up and solvent displacement method. Adjusting flow parameters allows the tuning of MPs size between 60 and 180 µm, with reduced polydispersity. Morphological analysis shows microporous particles with Janus-like surface. A fluorophore is successfully loaded into the MPs during their formation step. This versatile green solvent-based procedure is proven to be suitable for drug encapsulation and delivery applications. The method may be extended to different droplet generation techniques.

Keywords: Biocompatibility, Biodegradable, Green solvents, Microparticles, Poly(lactic acid)