About the Authors
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
Laboratory of Biochemistry and Molecular Biology, National Cancer Institute, Bethesda, Maryland, United States of America
Department of Chemistry and Physics, State University of New York at Stony Brook, Stony Brook, New York, United States of America
The authors have declared that no competing interests exist.
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.