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首页> 外文期刊>Environmental Science & Technology: ES&T >Characteristics of Trapping Copper Ions with Scrolled Ferritin Reactor in the Flowing Seawater
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Characteristics of Trapping Copper Ions with Scrolled Ferritin Reactor in the Flowing Seawater

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摘要

Native liver ferritin of Dasyatis akajei (DALF),apoDALF,and reconstituted DALF were employed to construct a ferritin reactor,respectively.An apparatus consisting of a mixer,a ferritin reactor,and a magnetic stirrer was constructed to study capacity and feasibility of trapping Cu~2+ in the flowing seawater.The experimental results showed that the numbers of trapping Cu~2+ with DALF reactor were higher than these with the reactors of apoDALF and reconstituted DALF,respectively,giving the maximal numbers of 98 ± 5 Cu~2+ per molecular DALF in 120 h.We found that the iron layer with a high ratio of phosphate to ion on the surface of the ferritin core played an important role in increasing numbers of trapping Cu~2+.In addition,we found two positive relations of dependence of trapping Cu~2+ numbers with the reactor on the incubation time and on the Cu~2+ concentration in the flowing seawater.Another apparatus consisting of a buoyage,an isolation basket equipped with griddling,and a scrolled ferritin reactor was constructed to study the feasibility of trapping Cu~2+ in the sea area.Moreover,the present studies indicated that this apparatus had been used to not only analyze and evaluate the concentration variety of various heavy metal ions such as Cu~2+ and Pb~2+ diluting by the seawater but also monitor the formation of pollution degree by various small organic molecules during the climax and the neap.

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  • 来源
    《Environmental Science & Technology: ES&T》 |2004年第8期|2476-2481|共6页
  • 作者

    He-Qing Huang; Ting-Ming Cao; Qing-Mei Lin;

  • 作者单位

    The Center for Proteomics Research and Department of Biology,School of Life Sciences,The Key Laboratory of Chemical Biology ofFujian Province,The Key Laboratory of Marine Environmental Science (Ministry of Education),and The Key Laboratory ofMOEfor C;

  • 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 英语
  • 中图分类 环境化学;
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