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Gecko-inspired adhesion: Self-cleaning and reliable
Date:2/19/2014

tape. After eight to ten test cycles, however, the gecko-inspired adhesive tape reached 80 to 100 percent of its original power again. "In the long term, this effect might be used to develop a low-cost alternative to hook and loop fasteners," Hlscher says. "Such a tape might be applied in the sports sector, in medicine, automotive industry or aerospace technology," Metin Sitti, Professor of the Carnegie Mellon University, adds.

When the size of the spheres was smaller than the diameter of the microhairs, the researchers succeeded in restoring one third of the original adhesive force only. "For the perfect gecko-inspired adhesive tape, we therefore need fibers in the nanometer range (10-9 meters), which are smaller than most dirt particles", Dr. Michael Rhrig, IMT scientist, emphasizes. The skinfolds of the gecko have already been reproduced by wide grooves between narrow rows of hair. They offer enough space for the fine dust to deposit. Tests using real dirt particles of variable shape and size and particles made of various materials are planned to be carried out in the near future.


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Contact: Monika Landgraf
presse@kit.edu
49-721-608-47414
Helmholtz Association
Source:Eurekalert  

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