Fabrication of Crosslinked Dextran Microspheres: Screening of Effective Parameters by Plackett-Burman Design-of-Experiments
Publish place: 07th International Congress on Chemical Engineering
Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICHEC07_553
تاریخ نمایه سازی: 25 فروردین 1394
Abstract:
Preparation of crosslinked dextran microspheres (CDMs) via crosslinking of the polymer dissolved in internal phase of an inverse emulsion system (W/O) using epichlorohydrin (ECH) was the first objective of this study. Making the fabrication process controllable to obtain microspheresof tunable properties e.g., mean particle size and its distribution was the second objective. APlackett-Burman screening design methodology was employed to investigate the effects of fourkinetics parameters and four process parameters on the final properties of the resulting microspheres including mean particle size and size distribution, equilibrium swelling ratio and specific surface area. Statistical analysis of the results allowed determining of the most influentfactors. Considering the results, dextran concentration was found as the most influential kinetics parameter on the particle size and equilibrium swelling ratio of the obtained CDMs so an increase in the polymer concentration in the aqueous phase leads to a significant increase in the mean particle diameter and decreasing in water uptake capacity of the resulting microspheres
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Authors
hamed slimi kenari
Novel Drug Delivery Systems Dept., Iran Polymer and Petrochemical Institute, Tehran, Iran
zeinab alinejad
Novel Drug Delivery Systems Dept., Iran Polymer and Petrochemical Institute, Tehran, Iran
mohammad imani
Novel Drug Delivery Systems Dept., Iran Polymer and Petrochemical Institute, Tehran, Iran
azizollah nodehi
Novel Drug Delivery Systems Dept., Iran Polymer and Petrochemical Institute, Tehran, Iran
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