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A New Biomimetic Moving Surface, Inspired by Stingrays
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The stingray, which spends much of their time partially buried on the ocean floor, uses its paired pectoral fins to sweep away sandy foreign particles from its surface.
A research team, jointly led by Professor Hoon Eui Jeong (UNIST) and Professor Sang Joon Lee (POSTECH), has drawn inspiration from such natural processes to create innovative solutions to prevent the adhesion of contaminants to device surfaces.
The research team succeeded in developing a new biomimetic ‘moving’ surface, inspired from the biomachanics of the pectoral fins of the Batoidea, using magnetoresponsive composite materials.
Through their work, the research team overcame the limitations of existing antifouling technologies by mimicking the functions of living things, instead of their surface characteristics. Indeed, the researchers took inspiration from the way stingrays move their fins, much like riding waves, to shake off sandy foreign particles, thus created a “moving” antifouling surface.
They expect that the application of this will help remove or prevent biofouling by any number of organisms on wetted surfaces, including medical devices and ship hulls.
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