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首页> 外文期刊>Environmental Pollution >Effect of substituted phenylamine antioxidants on three life stages of the freshwater mussel Lampsilis siliquoidea
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Effect of substituted phenylamine antioxidants on three life stages of the freshwater mussel Lampsilis siliquoidea

机译：取代苯胺类抗氧化剂对淡水贻贝Lampsilis siliquoidea的三个生命阶段的影响

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摘要

Substituted phenylamines (SPAs) are incorporated into a variety of consumer products (e.g., polymers, lubricants) in order to increase the lifespan of the products by acting as a primary antioxidant. Based on their physicochemical properties, if SPAs were to enter the aquatic environment, they would likely partition into sediment. No studies to date have investigated the effect of sediment-associated SPAs on aquatic organisms. The current study examined the effect of four SPAs (diphenylamine (DPA); N-phenyl-1-napthylamine (PNA); N-(1,3-dimethylbutyl)-N'-phenyl-1,4-phenylenediamine (DPPDA); 4,4'-methylene-bis[N-sec-butylaniline] (MBA)) on three different life stages of the freshwater mussel, Lampsilis siliquoidea. The viability of larvae (glochidia) of L. siliquoidea and Lampsilis fasciola was assessed after 48 h of exposure to SPAs in water. The 48-h EC50s for glochidia viability of L. siliquoidea were 5951, 606, 439, and 258 mu g/L for DPA, PNA, DPPDA, and MBA, respectively, and 7946, 591, 137, and 47 mu g/L, respectively, for L. fasciola. Juvenile (7-15 months) and adult L. siliquoidea were exposed to sediment-associated SPAs for 28 d. LC50s for juvenile mussels were 18, 55, 62, and 109 mu g/g dry weight (dw) of sediment for DPA, PNA, DPPDA, and MBA, respectively. Adult mussels were exposed to sub-lethal concentrations of sediment-associated SPAs in order to investigate reactive oxygen species (ROS), lipid peroxidation and total glutathione in the gill, gonad, and digestive gland tissue, and viability and DNA damage in hemocytes. No significant concentration-dependent trend in any of these biochemical and cellular endpoints relative to the concentration of sediment-associated SPAs was observed in any tissues. Investigations into the concentration of SPAs in the aquatic environment are required before a conclusion can be made on whether these compounds pose a hazard to the different life stages of freshwater mussels.
机译：取代的苯胺（SPA）被掺入各种消费产品（例如聚合物，润滑剂）中，以通过充当主要的抗氧化剂来延长产品的使用寿命。根据其理化性质，如果SPA进入水生环境，它们很可能会分解成沉积物。迄今为止，尚无研究调查与沉积物相关的SPA对水生生物的影响。当前的研究检查了四种SPA（二苯胺（DPA）； N-苯基-1-萘胺（PNA）； N-（1,3-二甲基丁基）-N'-苯基-1,4-苯二胺（DPPDA）；和4,4'-亚甲基-双[N-仲丁基苯胺]（MBA））在淡水贻贝Lampsilis siliquoidea的三个不同生命阶段中。暴露于水中的SPA中48小时后，评估了s.quolus.silicaideidea和fassilis fasciola的幼虫（glochidia）的活力。对于DPA，PNA，DPPDA和MBA而言，十二指肠球菌活力的48小时EC50分别为5951、606、439和258μg / L，以及7946、591、137和47μg/ L分别为法氏乳杆菌。将少年（7至15个月）和成年的L. siliquoidea暴露于与沉积物相关的SPA中28 d。幼贻贝的LC50分别是DPA，PNA，DPPDA和MBA的沉积物干重（dw）为18、55、62和109μg / g。将成年贻贝暴露于亚致死浓度的与沉积物相关的SPA，以研究oxygen，性腺和消化腺组织中的活性氧（ROS），脂质过氧化和总谷胱甘肽，以及血细胞的活力和DNA损伤。在任何组织中，相对于与沉积物相关的SPA的浓度，在任何这些生化和细胞终点中均未发现明显的浓度依赖性趋势。在确定这些化合物是否对淡水贻贝的不同生命阶段构成危害之前，需要对水生环境中SPA的浓度进行调查。

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  • 来源
    《Environmental Pollution》 |2017年第10期|281-289|共9页
  • 作者

    Prosser R. S.; Gillis P. L.; Holman E. A. M.; Schissler D.; Ikert H.; Toito J.; Gilroy E.; Campbell S.; Bartlett A. J.; Milani D.; Parrott J. L.; Balakrishnan V. K.;

  • 作者单位

    Environm & Climate Change Canada, Aquat Contaminants Res Div, Burlington, ON, Canada|Univ Guelph, Sch Environm Sci, Guelph, ON, Canada;

    Environm & Climate Change Canada, Aquat Contaminants Res Div, Burlington, ON, Canada;

    Environm & Climate Change Canada, Aquat Contaminants Res Div, Burlington, ON, Canada;

    Environm & Climate Change Canada, Aquat Contaminants Res Div, Burlington, ON, Canada;

    Environm & Climate Change Canada, Aquat Contaminants Res Div, Burlington, ON, Canada;

    Environm & Climate Change Canada, Aquat Contaminants Res Div, Burlington, ON, Canada;

    Greenhouse Sci, Burlington, ON, Canada;

    Greenhouse Sci, Burlington, ON, Canada;

    Environm & Climate Change Canada, Aquat Contaminants Res Div, Burlington, ON, Canada;

    Environm & Climate Change Canada, Watershed Hydrol & Ecol Res Div, Burlington, ON, Canada;

    Environm & Climate Change Canada, Aquat Contaminants Res Div, Burlington, ON, Canada;

    Environm & Climate Change Canada, Aquat Contaminants Res Div, Burlington, ON, Canada;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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