Microstructured barbs on the North American porcupine quill enable easy tissue penetration and difficult removal

Microstructured barbs on the North American porcupine quill enable easy tissue penetration and difficult removal

North American porcupines are well known for their specialized hairs, or quills that feature microscopic backward-facing deployable barbs that are used in self-defense. Herein we show that the natural quill's geometry enables easy penetration and high tissue adhesion where the barbs specificall...

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Bibliographic Details
Main Authors: Cho, Woo-Kyung (Contributor), Ankrum, James Allen (Contributor), Guo, Dagang (Author), Chester, Shawn Alexander (Contributor), Yang, Seung Yun (Contributor), Campbell, Georgina A. (Author), Wood, Robert J. (Author), Rijal, Ram K. (Author), Karnik, Rohit (Contributor), Langer, Robert (Contributor), Karp, Jeffrey Michael (Contributor), Kashyap, Anurag, M. Eng. Massachusetts Institute of Technology (Author)
Other Authors: Massachusetts Institute of Technology. Institute for Medical Engineering & Science (Contributor), Whitaker College of Health Sciences and Technology (Contributor), Harvard University- (Contributor), Massachusetts Institute of Technology. Department of Mechanical Engineering (Contributor)
Format: Article
Language:English
Published: National Academy of Sciences (U.S.), 2013-07-18T20:44:50Z.
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