An Advance In Mimicking Mother Nature
- Date:
- January 22, 2007
- Source:
- American Chemical Society
- Summary:
- Birds use them to reduce the weight of their feathers. Polar bears rely on them to keep warm in the Arctic cold. Now scientists in China report what they believe to be the first easy, straightforward method for making the kind of multi-channel microtubes found in birds, polar bears and other animals.
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Birds use them to reduce the weight of their feathers. Polar bears rely on them to keep warm in the Arctic cold. Now scientists in China report what they believe to be the first easy, straightforward method for making the kind of multi-channel microtubes found in birds, polar bears and other animals.
Lei Jiang, Xinyu Cao and Yong Zhao describe the new electrojet spinning technique in an article scheduled for the Feb. 7 issue of the Journal of the American Chemical Society, a weekly publication.
The advance in biomimic materials -- a field that aims to copy useful features found in nature -- could be used to produce super-lightweight and extraordinarily warm textiles, multi-component drug deliver devices, highly efficient catalysts and other commercial products, according to the scientists.
"We have developed a very simple and powerful multifluidic compound-jet electrospinning technique for fabricating biomimic multichannel microtubes that have been seldom obtained with other methods," they note.
The researchers used the new spinning process to make tubes with 2, 3, 4 and 5 separate interior channels. In addition to offering multiple channels in one tube, the structures promise to be stronger with other advantages over single-channel microtubes, the report indicates.
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