ACS Nano (2013) - Comment
pubmed: 23721576  doi: 10.1021/nn4011686  issn: 1936-086x  issn: 1936-0851 

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Jing Lin, Shouju Wang, Peng Huang, Zhe Wang, Shouhui Chen, Gang Niu, Wanwan Li, Jie He, Daxiang Cui, Guangming Lu, Xiaoyuan Chen, Zhihong Nie