Effects of interaction between enrofloxacin and copper on soil enzyme activity and evaluation of comprehensive toxicity

被引：43
作者：
Yang, Rui [1 ]
Wang, Jinhua [1 ]
Zhu, Lusheng [1 ]
Wang, Jun [1 ]
Yang, Lili [1 ]
Mao, Shushuai [1 ]
Conkle, Jeremy L. [2 ]
Chen, Yangyang [1 ]
Kim, Young Mo [3 ]
机构：
[1] Shandong Agr Univ, Key Lab Agr Environm Univ Shandong, Coll Resources & Environm, Tai An 271018, Shandong, Peoples R China
[2] Texas A&M Univ Corpus Christi, Dept Phys & Environm Sci, Corpus Christi, TX 78412 USA
[3] Hanyang Univ, Dept Civil & Environm Engn, Seoul 04763, South Korea
来源：
CHEMOSPHERE | 2021年 / 268卷
基金：
中国国家自然科学基金;
关键词：
Enrofloxacin; Copper; Soil enzymatic activity; Interaction; Comprehensive toxicity;
D O I：
10.1016/j.chemosphere.2020.129208
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Antibiotics are detected in association with heavy metals in the soil. However, interactions between antibiotics and heavy metals on soil enzyme activity have yet to been studied thoroughly. In this study, soil enzyme activity (urease, sucrase, phosphatase, and Rubisco) were measured after exposure to soils dosed with copper (Cu) and/or enrofloxacin (ENR) over 28 days. Enzyme responses to ENR only treatments varied, but Cu exhibited a strong negative response from all soil enzymes except Rubisco. An interaction between the effects of the two pollutants on soil enzymes was observed in the combined contamination treatments. Greater comprehensive toxicity to soil enzyme activity was observed in combined treatment groups compared to other groups. We anticipate our studies can provide a scientific theoretical basis for the combined pollution of antibiotics and heavy metals in soil. (C) 2020 Elsevier Ltd. All rights reserved.
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页数：8
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