Studies on the Interactions Between Genistein and Copolymer F127 |
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Authors: | Juqun Xi Rong Guo |
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Institution: | 1.Department of Pharmacology,Medical School of Yangzhou University,Yangzhou,People’s Republic of China;2.School of Chemistry and Chemical Engineering,Yangzhou University,Yangzhou,People’s Republic of China |
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Abstract: | In this paper, the interactions of an isoflavone molecule, Genistein (Gen), with Pluronic F127 at different pH values have
been investigated using laser light scattering techniques, film analysis methods, UV-vis spectroscopy and transmission electron
microscopy. The TEM images and the DSL studies indicate the formation of a Gen/F127 complex induced by the solubilization
of Gen in micelles, and the stability of the Gen/F127 complex decreases with the increase of pH. At pH of 6.4, the turbidity
of the Gen/F127 complex solution is significantly reduced in the presence of 0.31 mol⋅L−1 ethylene glycol, indicating the existence of hydrogen bonds between Gen and the F127 copolymer. Experiments on controlled
release demonstrate that Gen-loaded F127 micelles act as a drug carrier, giving slow release to the surrounding solution over
a period of time. Rapid release can be triggered by increasing the pH of the micelle solutions |
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