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Effects of the changes in the properties of silica cage along the gel/xerogel transition on the photochromic behavior of trapped spiropyrans

✍ Scribed by Levy, David; Avnir, David


Book ID
121235933
Publisher
American Chemical Society
Year
1988
Tongue
English
Weight
655 KB
Volume
92
Category
Article
ISSN
0022-3654

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Stability, defined as the reproducible behavior of a device upon its storage, is an important issue in pharmaceutical formulation. Silica xerogels obtained through the sol-gel route are relatively new as matrices for the controlled release of drugs. In some cases, it was observed that their behavior