Zeta potential measurements showed a trend in accordance with particle size; that is, the variations in the zeta potential of bare PLGA and PLGA-PVA NPs were more obvious than those of PLGA-PEG and PLGA-PDA NPs (Fig. 4d ), which confirmed that bare PLGA and PLGA-PVA NPs are more likely to bond with mucin.
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A mussel-inspired film for adhesion to wet buccal tissue and efficient buccal drug delivery.
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