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The antioxidant enzymes (SOD, GRx and GPx) showed a decrease in their activities in preeclamptic women as compared with normal women, indicating the loss in their antioxidant capacity, whereas a significant increase in catalase activity showed its compensating regulatory role in response to the increased oxidative stress

The study conducted a series of experiments to determine the optimal concentration of DTNB for the assay

2.11 Cell viability analysis CCK8 assay and Live/Dead staining assays were employed to evaluate the cytotoxicity caused by Se/LDH@PEG-M

Low levels of H 2 O 2 (0.3 mM) were found to activate tyrosinase, followed by increased melanin synthesis in human melanocytes [8]