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. Author manuscript; available in PMC: 2019 Apr 9.
Published in final edited form as: ACS Biomater Sci Eng. 2017 Apr 6;4(4):1251–1264. doi: 10.1021/acsbiomaterials.6b00804

Figure 3.

Figure 3

PPS-MS exhibit antioxidant properties for multiple types of ROS. (A) PPS-MS significantly reduce Amplex Red fluorescence in a microsphere dose-dependent manner following 1 week of incubation with 100 μM H2O2 (one-way ANOVA, p < 0.001, *significant posthoc comparisons). (B) PPS-MS protect PGR from bleaching by ONOO− in a dose-dependent manner (one-way ANOVA p < 0.0001, *significant posthoc comparisons). PGR absorbance was measured immediately after the addition of ONOO−. (C) PPS-MS scavenge −OCl dose-dependently (one-way ANOVA p < 0.001, *significant posthoc comparisons). −OCl levels were measured after 10 min of exposure.