Table 4 Enzymatic assay of glutathione S-transferase (GST), glutathione reductase (GR), and catalase (CAT) in the tissues of liver and gills of C. carpio after exposure to 0.03 mg/L, 0.06 mg/L, and 0.09 mg/L for long-time exposure of B-AgNPs

From: Long-term exposure to high-concentration silver nanoparticles induced toxicity, fatality, bioaccumulation, and histological alteration in fish (Cyprinus carpio)

Enzyme Control 0.03 mg/L 0.06 mg/L 0.09 mg/L
Liver     
 GST 753.17 ± 19.24 672.69 ± 91.83 679.22 ± 104.75 1021.32 ± 32.29
 GR 56.39 ± 4.89 61.09 ± 10.42 59.91 ± 1.56 36.69 ± 2.74
 CAT 109.38 ± 11.23 83.26 ± 12.28 112.32 ± 19.81 103.38 ± 6.26
Gills     
 GST 212.27 ± 19.59 192.03 ± 3.11 215.47 ± 35.33 132.40 ± 16.60
 GR 77.07 ± 3.86 61.79 ± 8.21 68.81 ± 20.44 53.12 ± 10.43
 CAT 11.64 ± 0.83 8.35 ± 0.23 16.32 ± 3.34 7.67 ± 0.58
  1. The values in this table are expressed as mean ± SE