About the Authors

Pu Wang

Affiliation Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, Baltimore, Maryland, United States of America

Fei Zhu

Affiliation Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, Baltimore, Maryland, United States of America

Konstantinos Konstantopoulos

konstant@jhu.edu

Affiliations Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, Baltimore, Maryland, United States of America, Johns Hopkins Physical Sciences in Oncology Center and Institute for NanoBioTechnology, The Johns Hopkins University, Baltimore, Maryland, United States of America, Institute for NanoBioTechnology, The Johns Hopkins University, Baltimore, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PW KK. Performed the experiments: PW FZ. Analyzed the data: PW FZ KK. Wrote the paper: PW KK.