About the Authors

Jeongeun Ryu

Affiliations Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Gyeongbuk, Republic of Korea, Center for Biofluid and Biomimic Research, Pohang University of Science and Technology (POSTECH), Pohang, Gyeongbuk, Republic of Korea

Sungsook Ahn

Affiliations Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Gyeongbuk, Republic of Korea, Center for Biofluid and Biomimic Research, Pohang University of Science and Technology (POSTECH), Pohang, Gyeongbuk, Republic of Korea

Seung-Gon Kim

Current address: Hydrogen and fuel cell department, Korea Institute of Energy Research (KIER), Daejeon, Republic of Korea

Affiliations Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Gyeongbuk, Republic of Korea, Center for Biofluid and Biomimic Research, Pohang University of Science and Technology (POSTECH), Pohang, Gyeongbuk, Republic of Korea

TaeJoo Kim

Affiliation Neutron Science Division, Korea Atomic Energy Research Institute (KAERI), Daejeon, Republic of Korea

Sang Joon Lee

sjlee@postech.ac.kr

Affiliations Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Gyeongbuk, Republic of Korea, Center for Biofluid and Biomimic Research, Pohang University of Science and Technology (POSTECH), Pohang, Gyeongbuk, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JR SA SK SL. Performed the experiments: JR SA SK TK. Analyzed the data: JR SK. Wrote the paper: JR SA SL.