About the Authors

Eoon Hye Ji

Contributed equally to this work with: Eoon Hye Ji, Bingbing Sun

‡ Co-first author.

Affiliation School of Dentistry, University of California Los Angeles, Los Angeles, United States of America

Bingbing Sun

Contributed equally to this work with: Eoon Hye Ji, Bingbing Sun

‡ Co-first author.

Affiliation School of Medicine, Division of Nanomedcine, University of California Los Angeles, Los Angeles, United States of America

Tongke Zhao

Affiliations Department of Environmental Health Sciences, University of California Los Angeles, Los Angeles, United States of America, Peking University, School of Physics, Beijing, China

Shi Shu

Affiliation Department of Environmental Health Sciences, University of California Los Angeles, Los Angeles, United States of America

Chong Hyun Chang

Affiliation California Nanosystems Institute, University of California Los Angeles, Los Angeles, United States of America

Diana Messadi

Affiliation School of Dentistry, University of California Los Angeles, Los Angeles, United States of America

Tian Xia

Affiliation School of Medicine, Division of Nanomedcine, University of California Los Angeles, Los Angeles, United States of America

Yifang Zhu

Affiliation Department of Environmental Health Sciences, University of California Los Angeles, Los Angeles, United States of America

Shen Hu

shenhu@ucla.edu

Affiliation School of Dentistry, University of California Los Angeles, Los Angeles, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TX YZ DM SH. Performed the experiments: EHJ BS TZ SS CHC. Analyzed the data: BS EHJ TX YZ SH. Contributed reagents/materials/analysis tools: BS EHJ TZ SS CHC. Wrote the paper: TX YZ SB SH.