Navigation Links
Porcupine Quill Could Foster New Medical Devices
Date:12/11/2012

TUESDAY, Dec. 11 (HealthDay News) -- Studying porcupine quills could lead to the development of new medical devices, researchers say.

A team at Brigham and Women's Hospital in Boston discovered how North American porcupine quills easily puncture tissue and why, once stuck in flesh, they are difficult to remove. They did this using natural porcupine quills and replica-molded synthetic polyurethane quills.

They said their findings could lead to the creation of needles that effortlessly penetrate skin and resist buckling, as well as new types of medical adhesives.

The study was published online Dec. 10 in the journal Proceedings of the National Academy of Sciences.

A porcupine's quills are its key defense mechanism. Each of the approximately 30,000 quills on a porcupine's back contains a conical black tip studded with a layer of microscopic, backward-facing barbs and a cylindrical base with a smooth, scale-like structure, the researchers said.

The researchers discovered that the quill's geometry and barbs enable it to penetrate tissue with ease. Once in the tissue, the barbs keep it in place.

"By carefully removing the barbs from the quill, we discovered that in addition to their physical features, the location of barbs on the quill played a major role in minimizing penetration forces and maximizing the work needed to yank them from the tissue," study first author Woo Kyung Cho, of the department of medicine's biomedical engineering division, said in a hospital news release.

In order to assess potential medical uses, the researchers developed plastic quill replicas that closely mimic the penetration force and gripping power of natural quills.

The authors pointed out that other creatures in nature have inspired bioengineered devices. For instance, geckos inspired the development of tape-based adhesives, they said.

More information

The San Diego Zoo has more about porcupines.

-- Robert Preidt

SOURCE: Brigham and Women's Hospital, news release, Dec. 10, 2012


'/>"/>
Copyright©2012 ScoutNews,LLC.
All rights reserved  

Related medicine news :

1. Glaucoma study could inspire e-reader apps
2. Public ecology could help resolve mountaintop mining issues
3. Could Kids Salt Intake Affect Their Weight?
4. New small molecule inhibitor could be a safe and first-line treatment for metastatic breast cancer
5. Immune system kill switch could be target for chemotherapy and infection recovery
6. Scientists discover mechanism that could reduce obesity
7. Protected Power Naps Could Help Keep Medical Interns Alert: Study
8. Breath test could possibly diagnose colorectal cancer
9. Flu Season Arrives Early and It Could Be Severe: CDC
10. Deep Belly Fat Could Weaken Mens Bones, Study Suggests
11. Measles vaccine given with a microneedle patch could boost immunization programs
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Porcupine Quill Could Foster New Medical Devices
(Date:4/29/2016)... ... 29, 2016 , ... Our bodies are bombarded daily by environmental and lifestyle ... these stressors is to adopt a more healthful diet, but too many people think ... certified Holistic Nutritionist and the creator of the Newport Beach Cleanse and 14-Day Eating ...
(Date:4/29/2016)... ... April 29, 2016 , ... The White House ... their loans, more information about their loan terms and accounts, and more protections ... debt, including federal and private loans, has reached $1.3 trillion, with 43 million ...
(Date:4/29/2016)... ... ... Spine Team Texas, a comprehensive spine physician group specializing in the treatment of ... invited to be a featured speaker at the Texas Society of the American College ... , Dr. R. Scott McPherson, a physical medicine and rehabilitation specialist, will speak ...
(Date:4/29/2016)... ... 29, 2016 , ... The Gluten-Free Certification Program (GFCP), in ... the launch of the GFCP Scoop in response to consumer demand ... the GFCP Scoop site is to keep the gluten-free community updated ...
(Date:4/29/2016)... Beverly Hills, CA (PRWEB) , ... April 29, 2016 , ... ... distributor of devices and products for the head and neck/ear, nose and throat specialty, ... Safety Device , The KOTLER NASAL AIRWAY™ is a newly patented safety ...
Breaking Medicine News(10 mins):
(Date:4/27/2016)... 2016 At the Sachs CEO ... a Phase 2 clinical study of its lead drug ... cochlear implantation (CI) surgery. This large, placebo-controlled, double-blind, phase ... Germany and France . ... the time of surgery. "Despite advances in cochlear implant ...
(Date:4/26/2016)... , April 26, 2016 Hill-Rom Holdings, Inc. ... a management presentation at the Deutsche Bank 41 st ... 2:50 p.m. EDT. You are invited to listen ... http://ir.hill-rom.com/events.cfm or access it directly at http://edge.media-server.com/m/p/mr4uxgas . ... hour after conclusion of the live event and accessible at ...
(Date:4/26/2016)... April 27, 2016 Research and ... Molecular Diagnostics Market 2016-2020" report to their offering. ... ,The global molecular diagnostics market is projected to grow ... Molecular diagnostics is a technique that involves ... molecular level to detect changes in biochemical pathways. The ...
Breaking Medicine Technology: