About the Authors

Kien Tiek Wong

Affiliation Department of Civil Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia

Yeomin Yoon

Affiliation Department of Civil and Environmental Engineering, University of South Carolina, Columbia, United States of America

Min Jang

minjang@um.edu.my; heejaejang@gmail.com

Affiliations Department of Civil Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia, Nanotechnology and Catalysis Research Centre (NANOCAT), University of Malaya, Kuala Lumpur, Malaysia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KTW YY MJ. Performed the experiments: KTW. Analyzed the data: KTW YY MJ. Contributed reagents/materials/analysis tools: MJ. Wrote the paper: KTW YY MJ.