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Metal(loid)-reducing activity. Reduction of tellurium (IV) (A), selenium (IV) (B), silver (I) (C), and gold (III) (D), in the presence of NADH (left) or NADPH (right). Colored bars indicate different pH values tested: 7.0 (blue), 8.0 (red), and 9.0 (green). Horizontal bars indicate the statistical analysis within the group. Data represent the average of 3 independent assays ± SD. Statistical significance was according to section Data analysis.
