About the Authors

Xiakun Chu

Affiliation College of Physics, Jilin University, Changchun, Jilin, P.R. China

Yong Wang

Affiliation State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, P.R. China

Linfeng Gan

Affiliation State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, P.R. China

Yawen Bai

Affiliation Laboratory of Biochemistry and Molecular Biology, National Cancer Institute, Bethesda, Maryland, United States of America

Wei Han

Affiliation College of Physics, Jilin University, Changchun, Jilin, P.R. China

Erkang Wang

ekwang@ciac.jl.cn (EW); jin.wang.1@stonybrook.edu (JW)

Affiliation State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, P.R. China

Jin Wang

ekwang@ciac.jl.cn (EW); jin.wang.1@stonybrook.edu (JW)

Affiliations College of Physics, Jilin University, Changchun, Jilin, P.R. China, State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, P.R. China, Department of Chemistry and Physics, State University of New York at Stony Brook, Stony Brook, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XC YW EW JW. Performed the experiments: XC YW. Analyzed the data: XC YW LG YB WH EW JW. Contributed reagents/materials/analysis tools: EW JW. Wrote the paper: XC YW YB EW JW.