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Jeong, Hoon Eui
Multiscale Biomimetics & Manufacturing Lab
Research Interests
  • Biomimetics

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Undulatory topographical waves for flow-induced foulant sweeping

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Title
Undulatory topographical waves for flow-induced foulant sweeping
Author
Ko, HangilPark, Hyun-HaByeon, HyeokjunKang, MinsuRyu, JaehaSung, Hyung JinLee, Sang JoonJeong, Hoon Eui
Issue Date
2019-11
Publisher
American Association for the Advancement of Science
Citation
SCIENCE ADVANCES, v.5, no.11, pp.eaax8935
Abstract
Diverse bioinspired antifouling strategies have demonstrated effective fouling-resistant properties with good biocompatibility, sustainability, and long-term activity. However, previous studies on bioinspired antifouling materials have mainly focused on material aspects or static architectures of nature without serious consideration of kinetic topographies or dynamic motion. Here, we propose a magnetically responsive multilayered composite that can generate coordinated, undulatory topographical waves with controlled length and time scales as a new class of dynamic antifouling materials. The undulatory surface waves of the dynamic composite induce local and global vortices near the material surface and thereby sweep away foulants from the surface, fundamentally inhibiting their initial attachment. As a result, the dynamic composite material with undulating topographical waves provides an effective means for efficient suppression of biofilm formation without surface modification with chemical moieties or nanoscale architectures.
URI
https://scholarworks.unist.ac.kr/handle/201301/30453
URL
https://advances.sciencemag.org/content/5/11/eaax8935.abstract
DOI
10.1126/sciadv.aax8935
ISSN
2375-2548
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MNE_Journal Papers
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