Toxic Effects of 2, 2 ', 4, 4 '- tetrabromodiphenyl ether (BDE-47) on Dicrateria inornata

2018 2nd International Workshop on Renewable Energy and Development

能源学;经济学

Zhang, L.^1,2 ; Wang, X.H.^1,2 ; Zhang, T.P.^1,2 ; Ma, R.^3 ; Cao, X.^1,2

Institute of 0ceanographic Instrmentation, Qilu University of Technology, Shandong Academy of Sciences, Japan^1

Shandong Provincial Key Laboratory of Marine Monitoring Instrument Equipment Technology, United States^2

Engineering College, Ocean University of China, No.238 Songling Road, Laoshan District, Qingdao City, Shandong Province

266100, China^3

关键词: Chlorophyll fluorescence;    Fluorescence characteristics;    Inhibitory effect;    Low concentrations;    Photosynthetic pigment contents;    Photosynthetic pigments;    Toxic effect;    Toxicity mechanisms;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/153/2/022012/pdf
DOI  :  10.1088/1755-1315/153/2/022012

来源: IOP

【 摘 要 】

In this paper, we studied the toxicity of different concentrations of 2, 2', 4, 4'- tetrabromodiphenyl ether (BDE-47) on Dicrateria inornata. The results showed that the 96 h EC50 value of BDE-47 compound was 165 μg•L-1. By studying the changes of photosynthetic pigments and chlorophyll fluorescence characteristics, the toxicity mechanism of BDE-47 was studied. The results showed that BDE-47 with low concentration (25 ∼ 50 μg•L-1) had an induced effect on photosynthetic pigment content, and the BDE-47 with high concentration (100 ∼ 200 μg•L-1) had a significant inhibitory effect on photosynthetic pigment content. BDE-47 has inhibitory effect on the fluorescence characteristics of the flagellates, and the inhibitory effect increases with the increase of concentration.