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http://www.ncbi.nlm.nih.gov/pubmed/16484721 http://www.sciencedirect.com/science/article/pii/S0924424701006379 http://onlinelibrary.wiley.com/doi/10.1002/adma.200900887/abstract http://www.sciencedirect.com/science/article/pii/S0956566306003630 http://www.ncbi.nlm.nih.gov/pubmed/12485796 http://www.ncbi.nlm.nih.gov/pubmed/20382421 http://www.sciencedirect.com/science/article/pii/S0169433208014591 http://www.sciencedirect.com/science/article/pii/S0142961209004633 http://www.tandfonline.com/doi/abs/10.1163/092050609X12481751806330#.U_mCqvmSzrB http://onlinelibrary.wiley.com/doi/10.1002/smll.200901868/abstract 這幾篇再麻煩 ><