Multi-walled carbon nanotubes

Oxidative stress at high concentration

These multi-walled carbon nanotubes markedly inhibit antioxidant and digestive enzyme activities in Daphnia magna at 5.3 mg/L, disturbing protein and lipid metabolism pathways, providing a toxicity baseline for environmental risk assessment.

Zhenyang, Zhang · Zheng, Xudong · Lu, Panpan · Huang, Yong · Gao, Xiaochan

Comparative Biochemistry and Physiology, Part C 2026

Advantages

5.3 mg/L MWCNTs induce significantly increased malondialdehyde content

5.3 mg/L MWCNTs significantly decrease activities of superoxide dismutase, catalase, and glutathione

Lipase, trypsin, and amylase activities significantly decrease in the 5.3 mg/L-exposed group