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Effects of a) film bilayers and b) heat-treatment on drug-loading capacity. The pH of both cefazolin-and MB-loading solutions was 7.0. Cefazolin was loaded in (PLL/PLGA)20 nanofilms assembled at pH 10.0. MB was loaded in (PLL/PLGA)20 nanofilms prepared at pH 4.0.
Abbreviations: MB, methylene blue; PLGA, poly-l-glutamic acid; PLL, poly-l-lysine.
