Formulation parameters and release mechanism of theophylline loaded ethyl cellulose microspheres
Altering the combined hydrophilic-lipophilic balance (CHLB), by varying the ratio of dual surfactants, on formulation parameters and in vitro drug release of ethyl cellulose microspheres was examined. Theophylline, a xanthine bronchodilator was used to model controlled release owing to its narrow th...
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| Other Authors: | , , , , , , |
| Format: | article |
| Published: |
2011
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| Online Access: | http://hdl.handle.net/10725/6330 http://dx.doi.org/10.3109/10837450.2011.620969 http://libraries.lau.edu.lb/research/laur/terms-of-use/articles.php http://www.tandfonline.com/doi/abs/10.3109/10837450.2011.620969 |
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