About the Authors

Joseph L. Baker

Affiliation Department of Physics, University of Arizona, Tucson, Arizona, United States of America

Nicolas Biais

Affiliation Department of Biological Sciences, Columbia University, New York, New York, United States of America

Florence Tama

ftama@email.arizona.edu

Affiliation Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NB FT. Performed the experiments: JLB. Analyzed the data: JLB NB FT. Wrote the paper: JLB NB FT.