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Its Researching Prospect and Environmental & Biochemical Effect of Microbial Extracellular Polymeric Substances to Heavy Metals and Eutrophic Elements(PDF)

Chinese Journal of Applied & Environmental Biology[ISSN:1006-687X/CN:51-1482/Q]

2010 01
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Its Researching Prospect and Environmental & Biochemical Effect of Microbial Extracellular Polymeric Substances to Heavy Metals and Eutrophic Elements
KANG Fuxing LONG Jian WANG Qian QI Ruihuan ZHU Jian
(1Key Laboratory for Information System of Mountainous Areas and Protection of Ecological Environment of Guizhou Province, Guizhou Normal University, Guiyang 550001, China)
(2School of Geographic and Biologic Sciences, Guizhou Normal University, Guiyang 550001, China)
(3School of Life Sciences, Guizhou Normal University, Guiyang 550001, China)
extracellular polymeric substance EPS environmental and biochemical effects heavy metal eutrophic element micro-interface

Based on the previous studies relating to the environmental and biochemical effects of extracellular polymeric substances (EPS), this paper analyzes the process of EPS effect on water body and confirms the existing scientific problems, and it indicates that EPS, acting as the secretion from microorganisms in water body, not only plays a key role in survival of cells, but also has an obvious effect on the environmental and biochemical cycle of both toxic heavy metals and eutrophic elements. However, at present there are more researches focusing on EPS extraction, aggregation and kinetics, but fewer on exploring the timely combinative state between EPS and heavy metals & eutrophic elements, and the effect of EPS on the behavior and fate of heavy metals and eutrophic elements. In addition, there are also fewer researches for explaining the micro-interfacial relationship between them. In order to understand these processes, it is necessary to and conduct these researches, particularly in China. Fig 1, Ref 52


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Last Update: 2010-02-09