THE ELECTROSPRAYED INSULIN-LOADED POLYCAPROLACTONE MICROPARTICLES AS A DRUG CARRIER
DOI:
https://doi.org/10.11113/aej.v12.16910Keywords:
Drug delivery, electrospraying, insulin, microparticles, polycaprolactone.Abstract
Drug and protein encapsulated polymeric microparticles have been considered as the most effective delivery in pharmaceutical biotechnology. In this work, we report the fabrication of polycaprolactone microparticles (PCL MPs) containing insulin via an electrospraying method. The morphology, chemical composition, physicochemical properties, insulin encapsulation and release efficiency, degradation of PCL MPs, and cytotoxicity are systematically characterized and analyzed. The results indicate that insulin do not incorporate with PCL matrix leading to the deformation of PCL MPs’ structure. In addition, insulin can be loaded into the PCL MPs with high concentration up to 25 % while it remains chemical properties when releasing from the PCL MPs. Moreover, insulin demonstrates high burst release within the first day, subsequently the release become more stable during 2-7 days. The 80% viability of the cell suggests that PCL MPs are biocompartible to cells. As a consequence, the above mentioned material is proved to be has high potential for insulin carrier in controlled release application
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