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首页> 外文期刊>Environmental toxicology and chemistry >AQUEOUS SUSPENSION METHODS OF CARBON-BASED NANOMATERIALS AND BIOLOGICAL EFFECTS ON MODEL AQUATIC ORGANISMS
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AQUEOUS SUSPENSION METHODS OF CARBON-BASED NANOMATERIALS AND BIOLOGICAL EFFECTS ON MODEL AQUATIC ORGANISMS

机译:碳纳米颗粒的水悬浮方法及对模型水生生物的生物学影响

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摘要

The preparation of aqueous suspensions of carbon-based nanomaterials (NMs) requires the use of dispersing agents to overcome their hydrophobic character. Although studies on the toxicity of NMs have focused primarily on linking the characteristics of particles to biological responses, the role of dispersing agents has been overlooked. This study assessed the biological effects of a number of commonly used dispersing agents on Pseudokirchneriella subcapitata and Ceriodaphnia dubia as model test organisms. The results show that for a given organism, NM toxicity can be mitigated by use of nontoxic surfactants, and that a multispecies approach is necessary to account for the sensitivity of different organisms. In addition to the intrinsic physicochemical properties of NMs, exposure studies should take into account the effects of used dispersing fluids.
机译:碳基纳米材料(NMs)的水悬浮液的制备需要使用分散剂来克服其疏水特性。尽管有关NMs毒性的研究主要集中在将颗粒的特征与生物学反应联系起来,但分散剂的作用却被忽略了。这项研究评估了多种常用分散剂对模式假单胞菌假单胞假单胞菌和杜氏假单胞菌的生物学作用。结果表明,对于给定的生物,可以通过使用无毒表面活性剂来减轻NM毒性,并且有必要采用多物种方法来考虑不同生物的敏感性。除了NMs的内在理化特性外,接触研究还应考虑使用过的分散液的影响。

著录项

  • 来源
    《Environmental toxicology and chemistry》 |2012年第1期|p.210-214|共5页
  • 作者单位

    Department of Environmental Engineering Sciences, University of Florida, Gainesville, Florida, USA,Particle Engineering Research Center, University of Florida, Gainesville, Florida, USA;

    Department of Environmental Engineering Sciences, University of Florida, Gainesville, Florida, USA;

    Department of Environmental Engineering Sciences, University of Florida, Gainesville, Florida, USA;

    Department of Chemical Engineering, University of Florida, Gainesville, Florida, USA;

    Department of Chemical Engineering, University of Florida, Gainesville, Florida, USA;

    Department of Environmental Engineering Sciences, University of Florida, Gainesville, Florida, USA;

  • 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);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    fullerene; single-walled carbon nanotube; dispersing agents; nanotoxicity;

    机译:富勒烯单壁碳纳米管;分散剂;纳米毒性;

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