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- Title
The Cutting Edge: Sharp Biological Materials.
- Authors
Meyers, M. A.; Lin, A. Y. M.; Lin, Y. S.; Olevsky, E. A.; Georgalis, S.
- Abstract
Through hundreds of millions of years of evolution, organisms have developed a myriad of ingenious solutions to ensure and optimize survival and success. Biological materials that comprise organisms are synthesized at ambient temperature and pressure and mostly in aqueous environments. This process, mediated by proteins, limits the range of materials at the disposal of nature and therefore the design plays a pivotal role. This article focuses on sharp edges and serrations as important survival and predating mechanisms in a number of plants, insects, fishes, and mammals. Some plants have sharp edges covered with serrations. The proboscis of mosquitoes and stinger of bees are examples in insects. Serrations are a prominent feature in many fish teeth, and rodents have teeth that are sharpened continuously; ensuring their sharpness and efficacy. Some current bioinspired applications will also be reviewed.
- Subjects
BIOMEDICAL materials; ANATOMY; BIOMECHANICS; BIOLOGICAL systems; MATERIALS science
- Publication
JOM: The Journal of The Minerals, Metals & Materials Society (TMS), 2008, Vol 60, Issue 3, p19
- ISSN
1047-4838
- Publication type
Article
- DOI
10.1007/s11837-008-0027-x