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【资源】<科学>经典综述: 纳米毒性学 [无重复]
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Nanotoxicology is the study of the toxicity of nanomaterials. Because of quantum size effects and large surface area, nanomaterials have unique properties compared with their larger counterparts Nanotoxicology is that branch of bionanoscience,which deals with the study and application of toxicity of nanomaterials. The nanomaterials, even when they are made of inert elements like gold, become very active at a nanometer range. Nanotoxicological studies are intended to determine whether and to what extent these may pose a threat to the environment and to human beings. For instance, Diesel nanoparticles have been found to damage the cardiovascular system in a mouse model. To know more, check <科学>上一篇关于纳米毒性学 (nanotoxicology) 的经典综述 Toxic Potential of Materials at the Nanolevel Andre Nel,1,2* Tian Xia,1 Lutz Ma¨dler,3 Ning Li1 Abstract Nanomaterials are engineered structures with at least one dimension of 100 nanometers or less. These materials are increasingly being used for commercial purposes such as fillers, opacifiers, catalysts, semiconductors, cosmetics, microelectronics, and drug carriers. Materials in this size range may approach the length scale at which some specific physical or chemical interactions with their environment can occur. As a result, their properties differ substantially from those bulk materials of the same composition, allowing them to perform exceptional feats of conductivity, reactivity, and optical sensitivity. Possible undesirable results of these capabilities are harmful interactions with biological systems and the environment, with the potential to generate toxicity. The establishment of principles and test procedures to ensure safe manufacture and use of nanomaterials in the marketplace is urgently required and achievable. 链接： http://d.namipan.com/d/1e9fc09b0 ... 737768e00b1c1c80300 觉得有益, 顶顶, 让更多人受益. [ Last edited by saltlight on 2009-11-30 at 04:35 ] |
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