Effect of Montmorillonite on 4-Nonylphenol Enrichment in Zebrafish

Kun Qian, Xiaofeng Jiang, Laiyu Sun, Guoqing Zhou, Haixia Ge, Xinqiang Fang, Li Xiao and Qiong Wu
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Kun Qian: School of Life Science, Huzhou University, Huzhou 313000, China
Xiaofeng Jiang: College of Life Science, Zhejiang Sci-Tech University, Hangzhou 310018, China
Laiyu Sun: School of Life Science, Huzhou University, Huzhou 313000, China
Guoqing Zhou: School of Life Science, Huzhou University, Huzhou 313000, China
Haixia Ge: School of Life Science, Huzhou University, Huzhou 313000, China
Xinqiang Fang: School of Life Science, Huzhou University, Huzhou 313000, China
Li Xiao: School of Life Science, Huzhou University, Huzhou 313000, China
Qiong Wu: School of Life Science, Huzhou University, Huzhou 313000, China

IJERPH, 2018, vol. 15, issue 6, 1-13

Abstract: The aim of this study was to investigate the effect of montmorillonite on nonylphenol (4-nonylphenol, 4-NP) enrichment in a zebrafish model. The AB strain zebrafish were used as the animal subjects, and three concentration gradients were set for both nonylphenol and montmorillonite, according to their actual concentrations in aquaculture water in Huzhou City. A group treated with nonylphenol alone was also set, adding up to 12 experimental groups. Concentrations of nonylphenol enriched in the liver, muscle and gills of zebrafish were detected by solid phase microextraction–high performance liquid chromatography at Days 7, 15 and 30, respectively. Additionally, the relative enzymatic activity of superoxide dismutase (SOD) and the glutathione S-transferase (GST) were also detected, and the data were statistically analyzed. The results showed that the concentrations of nonylphenol in zebrafish peaked at Day 7 and gradually decreased afterwards for all the experimental groups. The montmorillonite reduces short-term accumulation of nonylphenol in gills, and the high concentration of nonylphenol facilitates its enrichment in liver and muscle, while the low concentration of nonylphenol does not. Meanwhile, the low concentration of nonylphenol in liver exerts an influence on the inductive effect of SOD and GST, while the high concentration of nonylphenol shows the inhibiting effect of SOD and GST.

Keywords: 4-nonylphenol; montmorillonite; zebrafish; enrichment; enzyme activity (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2018
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