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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
The activity of CYP450 enzymes. * p < 0.05, ** p < 0.01 vs. control group. The activity of CYP450 is inhibited by nano-copper in a dose-dependent manner.