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ELSEVIER
DOI: 10.1016/j.nimb.2007.09.036
关键词
gamma irradiation; bacterial cellulose; tetracycline; permeation
Ionizing radiation is an effective energetic source for polymer surfaces modification in order to obtain transdermal systems with different controlled release properties. In this work, gamma rays have been applied to induce changes in bacterial cellulose membranes. Permeation of drug (tetracycline) was theoretically and experimentally investigated starting from the effect of gamma-irradiation on membranes permeability. Release and permeation of drug from irradiated and non-irradiated membranes have been performed using a diffusion cell. (c) 2007 Elsevier B.V. All rights reserved.
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