About the Authors

Hye-Min Woo

Contributed equally to this work with: Hye-Min Woo, Jin-Moo Lee

Affiliation Department of Bio and Nanochemistry, Kookmin University, Seoul 136–702, Republic of Korea

Jin-Moo Lee

Contributed equally to this work with: Hye-Min Woo, Jin-Moo Lee

Affiliation Department of Bio and Nanochemistry, Kookmin University, Seoul 136–702, Republic of Korea

Sanggyu Yim

Affiliation Department of Bio and Nanochemistry, Kookmin University, Seoul 136–702, Republic of Korea

Yong-Joo Jeong

jeongyj@kookmin.ac.kr

Affiliation Department of Bio and Nanochemistry, Kookmin University, Seoul 136–702, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YJJ. Performed the experiments: HMW JML. Analyzed the data: HMW JML. Contributed reagents/materials/analysis tools: SY. Wrote the paper: YJJ.