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2013•Advanced materials researchOpen access

Acute Aquatic Toxicity of Brominated Flame Retardants Decabromodiphenyl Ether (decaBDE) on Scenedesmus obliqnus

Jing Ye, Wei Xia, Lian Jia

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Abstract

In this study, the acute toxicity of brominated flame retardants decabromodiphenyl ether (decaBDE) on green alga Scenedesmus obliqnus has been investigated. Under laboratory conditions, low dosage of decaBDE (0.1, 0.2, 1, 5, 10 μg/L) can inhibit the growth of Scenedesmus obliqnus. The max inhibition rate was 27.39% by 10 μg/L decaBDE on day one. Chlorophyll contents were significantly inhibited by decaBDE. At the concentration of 10 μg/L, the inhibition rates of chlorophyll a and chlorophyll b were 68.1% and 86.0%, respectively. These results indicated that decaBDE pose toxicity on Scenedesmus obliqnus in the environment.

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What this paper is about

In this study, the acute toxicity of brominated flame retardants decabromodiphenyl ether (decaBDE) on green alga Scenedesmus obliqnus has been investigated. Under laboratory conditions, low dosage of decaBDE (0.1, 0.2, 1, 5, 10 μg/L) can inhibit the growth of Scenedesmus obliqnus. The max inhibition rate was 27.39% by 10 μg/L decaBDE on day one. Chlorophyll contents were significantly inhibited by decaBDE. At the concentration of 10 μg/L, the inhibition rates of chlorophyll a and chlorophyll b were 68.1% and 86.0%, respectively. These results indicated that decaBDE pose toxicity on Scenedesmus obliqnus in the environment.

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Available abstract

In this study, the acute toxicity of brominated flame retardants decabromodiphenyl ether (decaBDE) on green alga Scenedesmus obliqnus has been investigated. Under laboratory conditions, low dosage of decaBDE (0.1, 0.2, 1, 5, 10 μg/L) can inhibit the growth of Scenedesmus obliqnus. The max inhibition rate was 27.39% by 10 μg/L decaBDE on day one. Chlorophyll contents were significantly inhibited by decaBDE. At the concentration of 10 μg/L, the inhibition rates of chlorophyll a and chlorophyll b were 68.1% and 86.0%, respectively. These results indicated that decaBDE pose toxicity on Scenedesmus obliqnus in the environment.

Key concepts: Decabromodiphenyl ether, Brominated flame retardant, Scenedesmus, Diphenyl ether, Fire retardant, Environmental chemistry, Toxicity, Chemistry

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Acute Aquatic Toxicity of Brominated Flame Retardants Decabromodiphenyl Ether (decaBDE) on Scenedesmus obliqnus — Research Paper | ScholarLens