ACS Nano (2016) - Comment
pubmed: 26738695  doi: 10.1021/acsnano.5b07157  issn: 1936-086x  issn: 1936-0851 

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Zhenfu Zhao, Xiong Pu, Chunhua Du, Linxuan Li, Chunyan Jiang, Weiguo Hu, Zhong Lin Wang