Sodium alginate microspheres for extending drug release
...microspheres of theophylline (TP) using sodium alginate as the hydrophilic carrier were prepared to prolong the release. The shape, surface and size characteristics were determined by scanning electron microscopy. The microspheres were found to be discreet and spherical in shape and had a smoother surface. Optimized alginate microspheres......
Shandong Jiejing Group Corporation
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