Publications논문

A tough nanofiber hydrogel incorporating ferritin
2008-10-22 10:43:14 조회수770
Min Kyoon Shin, Sun I. Kim, Seon Jeong Kim, Byung Joo Kim, Insuk So, Mikhail E. Kozlov, Jiyoung Oh, Ray H. Baughman 1 Center for Bio-Artificial Muscle and Department of Biomedical Engineering, Hanyang University, Seoul 133-791, Republic of Korea 2 Center for Bio-Artificial Muscle and Department of Physiology, Seoul National University, Seoul 110-744, Republic of Korea 3 MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, Texas 75080, USA 원문 링크 : http://scitation.aip.org/content/aip/journal/apl/93/16/10.1063/1.3005596

Abstract

We have developed tough nanofiber hydrogels incorporating ferritin nanoparticles with a core-shell
structure that is suitable for stress concentration reduction. The swelling properties of the
nanocomposite hydrogel under external forces were enhanced, leading to fast water absorption. The
elastic modulus, tensile strength, and elongation at break of the nanocomposite hydrogel measured
in solutions were dramatically enhanced as compared to those of the bare polymer hydrogel. During
the tensile tests, the strong bonding between the nanofiller and polymer matrix played an important
role in enhancing the toughness of the composite hydrogel fibers.

 
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