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(A) The influence of pH on EGCG-pNG dissociation over time; (B) the relationship with the dissociation rate constant of EGCG-pNG; (C) the release amount of EGCG from the release profile of EGCG-pNG particles in HCl solution (pH 1.2) at 36°C.
Notes: ■, free EGCG; ▴, EGCG-pNG.
Abbreviations: EGCG, epigallocatechin-3-gallate; HCl, hydrochloride; pNG, physical nanogold.
