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Effect of D-SNPs and silver nitrate on antioxidants and enzymes activities. (A) GSH. (B) GPx. (C) CAT. (D) ATPase. Data from at least three independent experiments performed at least in triplicate are presented as the mean SEM; P-values were calculated versus untreated bacterial cells: ****P < 0.00001, ***P < 0.0001, **P < 0.001, and *P < 0.01.
