Articles by Peng Wang - Pharmaceutical Technology

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Articles by Peng Wang

Peng Wang

High Viscosity Grade of Hydroxypropyl Cellulose (HPC-H) for Hydrophilic Matrix, Sustained Release Formulation
May 29, 2013

High Viscosity Grade of Hydroxypropyl Cellulose (HPC) is thought as an effective controlled release (CR) material since it is a hydrophilic polymer. In this study, we investigated effects of viscosity, particle size, preparation method, and difference of controlled release polymer on drug release using Theophylline as model drug. The results showed viscosity, particle size, and preparation method affected the drug release, and optimization of particle size was more critical for DC method.


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