About the Authors

Güldal Kirkali

Affiliation Biomolecular Measurement Division, National Institute of Standards and Technology, Gaithersburg, Maryland, United States of America

Pawel Jaruga

Affiliation Biomolecular Measurement Division, National Institute of Standards and Technology, Gaithersburg, Maryland, United States of America

Prasad T. Reddy

Affiliation Biomolecular Measurement Division, National Institute of Standards and Technology, Gaithersburg, Maryland, United States of America

Alessandro Tona

Affiliation Biosystems and Biomaterials Division, National Institute of Standards and Technology, Gaithersburg, Maryland, United States of America

Bryant C. Nelson

Affiliation Biosystems and Biomaterials Division, National Institute of Standards and Technology, Gaithersburg, Maryland, United States of America

Mengxia Li

Affiliation Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health, Baltimore, Maryland, United States of America

David M. Wilson III

Affiliation Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health, Baltimore, Maryland, United States of America

Miral Dizdaroglu

miral@nist.gov

Affiliation Biomolecular Measurement Division, National Institute of Standards and Technology, Gaithersburg, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MD GK PJ DMW. Performed the experiments: MD GK PJ PTR AT BCN ML. Analyzed the data: MD GK PJ BCN DMW. Contributed reagents/materials/analysis tools: MD PJ BCN DMW AT. Wrote the paper: MD. Obtained permission for use of cell lines: AT.