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RSV release in vitro. a Scheme of superoxide ion accelerating the hydrolysis of PLA by breaking the aliphatic ester bonds (modification based on Ref. [14]). b Superoxide generated by XO and PR accelerate the degradation of PLA. *p < 0.05 vs control (PBS only); c In vitro release of RSV from uncoated and PLA-coated MSNPs in PBS with and without the presence of superoxide production (XO + PR). n = 3
