Journal
INTERNATIONAL JOURNAL OF PHARMACEUTICS
Volume 295, Issue 1-2, Pages 177-182Publisher
ELSEVIER
DOI: 10.1016/j.ijpharm.2005.02.011
Keywords
drug solubilization; insoluble excipient; sulfathiazole; calcium carbonate
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A model is proposed which describes the solubilization of a poorly Soluble drug in the presence of an insoluble excipient which forms an easily soluble compound with the drug. For sulfathiazole-calcium carbonate system as an example, it is demonstrated using sulfathiazole single crystals and powdered samples that the presence of insoluble additive causes an increase in dissolution rate and solubility of the drug. (c) 2005 Elsevier B.V. All rights reserved.
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