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Accumulative release of DOX from DOX-BSA-V-NPs in PBS buffer (pH 7.4 and pH 6.5), 10 μM GSH (pH 7.4), and 20 mM GSH (pH 6.5) with the free DOX as a control. *P<0.05 and **P<0.01.
Abbreviations: BSA, bovine serum albumin; DOX, doxorubicin; GSH, glutathione; NPs, nanoparticles; PBS, phosphate-buffered saline; V, vanillin.
