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Ovalbumin (OVA)-containing polyurethane microcapsules were successfully prepared by a reaction between toluene diisocyanate (TDI) and different polyols such as glycerol, ethane diol, and propylene glycol. The structural and thermal properties of the resultant microcapsules and the release profile of the OVA from the wall membranes were studied. In conclusion, the microcapsules from the glycerol showed...
Poly(l-lactide) microcapsules containing fragrant aqueous solution were prepared by interfacial precipitation method through solvent evaporation from (w/o)/w emulsion. The effects of four determinative process parameters on the particle size distributions, surface morphologies, and release behavior of the microcapsules coated with poly(l-lactides) were investigated. As a result, the poly(l-lactide)...
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