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The particle size (columns) and zeta potential (lines) changes of PSSP-RGD16 conjugate in response to (A) 10 µM GSH and (B) 10 mM GSH (n=3).
Abbreviations: GSH, glutathione; PAMAM, polyamidoamine; PEG, polyethylene glycol; PSSP, PAMAM-SS-PEG; RGD, arginine-glycine-aspartate.
