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Diflunisal cumulative release profiles at pH 7.4 and 37 °C from polyelectrolyte-free nanoemulsion (NE) and nanocapsules with one (NE-k-CAR), two (NE(k-CAR/CS)1), three (NE(k-CAR/CS)1-k-CAR), and four (NE(k-CAR/CS)2) polyelectrolyte layers. DTAC—dodecyltrimethylammonium chloride; DF—diflunisal; CS—chitosan; k-CAR—k-carrageenan. Reproduced from [26], with permission from MDPI, 2021.
