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首页> 外文期刊>Journal of Environmental Science and Health. A, Toxic/Hazardous Substances & Environmental Engineering >Photoinduced toxicity of selected PAHs to the marine microalga Phaeodactylum tricornutum
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Photoinduced toxicity of selected PAHs to the marine microalga Phaeodactylum tricornutum

机译：所选多环芳烃对海洋微藻Tricornutum的光诱导毒性

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摘要

In this study, the effects of different concentrations of pyrene, phenanthrene, fluoranthene, and chrysene within the solubility limits of the chemicals on marine microalgal species of Phaeodactylum tricornutum were examined under UV-A and UV-B lights by application of batch toxicity tests. The algal species were also exposed to the individual PAHs under cool-white fluorescent bulbs in the same laboratory conditions in order to compare the results with the responses of UV-exposed organisms. EC50 values calculated with the trimmed Spearman Karber method demonstrate that the UV light dramatically enhances the toxicity of the selected model PAHs. In most cases, the magnitude of increase in PAH toxicity was directly related to the concentration of individual PAHs and the duration of UV-lighting.
机译：在这项研究中，通过分批毒性试验，在UV-A和UV-B光照下，研究了在化学物质溶解度范围内不同浓度的of，菲，荧蒽和micro对海洋微藻物种三角角藻的影响。在相同的实验室条件下，藻类也要在冷白色荧光灯下暴露于各个多环芳烃，以便将结果与暴露于紫外线的生物的反应进行比较。用修整后的Spearman Karber方法计算的EC50值表明，紫外线可以显着增强所选模型PAH的毒性。在大多数情况下，PAH毒性增加的幅度直接与单个PAH的浓度和紫外线照射的持续时间有关。

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