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White-Rot Basidiomycete-Mediated Decomposition of C_(60) Fullerol

机译：白腐菌介导的C_（60）富勒醇分解

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摘要

Industrially produced carbon-based nanomaterials (CNM), including fullerenes and nanotubes, will be introduced into the environment in increasing amounts in the next decades. One likely environmental chemical transformation of C_(60) is oxidation to C_(60) fullerol through both abiotic- and biotic-mediated means. Unfortunately, knowledge of the environmental fate of oxidized CNM is lacking. This study used bulk and compound-specific ~(13)C stable isotope ratio mass spectrometry techniques and spectroradiometry analysis to examine the ability of two white rot basidiomycete fungi {Phlebia tremellosa and Trametes versicolor) to metabolize and degrade an oxygenated CNM, C_(60) fullerol. After 32 weeks of decay, both fungi were able to bleach and oxidize fullerol to CO_2. Additionally, the fungi incorporated minor amounts of the fullerol carbon into lipid biomass. These findings are significant in that they represent the first report of direct biodegradation and utilization of any fullerene derivative and provide valuable information about the possible environmental fates of other CNM.
机译：在接下来的几十年中，包括富勒烯和纳米管在内的工业生产的碳基纳米材料（CNM）将越来越多地引入环境。 C_（60）的一种可能的环境化学转化是通过非生物和生物介导的方式氧化为C_（60）富勒醇。不幸的是，缺乏对氧化的CNM的环境命运的了解。这项研究使用大量和特定于化合物的〜（13）C稳定同位素比率质谱技术和光谱分析法来研究两种白腐担子菌真菌（Phlebia tremellosa和Trametes versicolor）代谢和降解含氧CNM C_（60 ）富勒醇。腐烂32周后，两种真菌都能漂白并将富勒氧化为CO_2。另外，真菌将少量的富勒醇碳掺入脂质生物质中。这些发现意义重大，因为它们代表了直接生物降解和利用任何富勒烯衍生物的第一份报告，并提供了有关其他CNM可能的环境命运的有价值的信息。

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  • 来源
    《Environmental Science & Technology》 |2009年第9期|3162-3168|共7页
  • 作者

    KATHRYN M. SCHREINER; TIMOTHY R. FILLEY; ROBERT A. BLANCHETTE; BRENDA BEITLER BOWEN; ROBERT D. BOLSKAR; WILLIAM C. HOCKADAY; CAROLINE A. MASIELLO; JAMES W. RAEBIGER;

  • 作者单位

    Department of Earth and Atmospheric Sciences, Purdue University, West Lafayette, Indiana 47907;

    Department of Earth and Atmospheric Sciences, Purdue University, West Lafayette, Indiana 47907;

    Department of Plant Pathology, University of Minnesota, St Paul, Minnesota 55108;

    Department of Earth and Atmospheric Sciences, Purdue University, West Lafayette, Indiana 47907;

    TDA Research, Wheat Ridge, Colorado, 80033;

    Department of Earth Science, Rice University, Houston, Texas 77005;

    Department of Earth Science, Rice University, Houston, Texas 77005;

    TDA Research, Wheat Ridge, Colorado, 80033;

  • 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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  • 正文语种 eng
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