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Keyword: collagen

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  • The Skinny On Skin -- What makes skin so tough?

    05/04/2015 2:02:29 PM PDT · by LibWhacker · 12 replies
    Inside Science ^ | 5/4/15 | Lisa Marie Potter
    The Skinny On Skin Tweet Mon, 2015-05-04 11:56 -- llancaster Collagen in its twisted, curly form with no skin stress. Image credit: The Jacob School of Engineering at UC SD What makes skin so tough? Originally published: May 4 2015 - 11:45am By: Lisa Marie Potter, Contributor (Inside Science) -- Skin has to be flexible enough to jump, crawl, and kick with us. It also has to be resilient enough to withstand our falls, scrapes, and cuts. Scientists have marveled at skin's strength for years without knowing why it's so durable.Now, scientists have identified the mechanical properties that give skin...
  • Wyoming cave dig unearths bones of ancient horses, cheetahs and bison

    08/09/2014 2:33:26 AM PDT · by blueplum · 31 replies
    Reuters ^ | August 8, 2014 5:23pm EDT | LAURA ZUCKERMAN
    (Reuters) - Scientists excavating an ancient Wyoming sinkhole containing a rare trove of fossils of Ice Age mammals have unearthed hundreds of bones of such prehistoric animals as American cheetahs, a paleontologist said on Friday. The two-week dig by an international team of researchers led by Des Moines University paleontologist Julie Meachen marked the first exploration of Natural Trap Cave at the base of the Bighorn Mountains in north-central Wyoming since its initial discovery in the 1970s. Meachen said the extensive excavation that began late last month uncovered roughly 200 large bones of animals like horses that roamed North America...
  • Nanoscale engineering of wound beds

    04/12/2012 8:07:54 PM PDT · by neverdem · 4 replies
    Chemistry World ^ | 12 April 2012 | Alisa Becker
    A collagen-binding peptide with applications in wound healing has been developed by scientists in the US. The peptide is able to invade the strands of collagen, forming a strong and stable non-covalent bond at room temperature. Pendant drug molecules could be attached to the peptide and anchored at the wound site to aid wound healing. Representation of a collagen mimetic peptide (CMP) annealing to damaged collagen to anchor a molecule (X) in a wound bed Collagen is the most abundant protein in the body and makes up three quarters of the dry weight of skin. It is formed from three...
  • Dinosaur protein sequenced - Lucky find shows up record-breaking fossil.

    04/13/2007 3:14:00 PM PDT · by neverdem · 25 replies · 945+ views ^ | 12 April 2007 | Heidi Ledford
    Close window Published online: 12 April 2007; | doi:10.1038/news070409-11 Dinosaur protein sequencedLucky find shows up record-breaking fossil.Heidi Ledford Digging through the rock in Montana yielded the surprise find. Science Palaeontologists have sequenced some protein from a 68-million-year-old fossilized Tyrannosaurus rex bone. The protein — a key component of bone and connective tissue called collagen — blasts the record for the oldest protein ever sequenced. Before this, the oldest sequenced protein (also collagen) came from a mammoth fossil that was 100,000-300,000 years old. So the new find, reported this week in the journal Science1, is quite a surprise. Scientists hope...
  • Stem Cell Injection Beats Collagen for Urinary Incontinence (adult autologous stem cells)

    02/03/2007 6:02:37 PM PST · by neverdem · 7 replies · 512+ views ^ | 15 January 2007 | PATRICE WENDLING
    Volume 37, Issue 2, Page 46 doi:10.1016/S0300-7073(07)70107-X CHICAGO Injection of adult autologous stem cells shows an excellent success rate for the treatment of urinary stress incontinence, compared with collagen injections, Dr. Matthias Schurich said at the annual meeting of the Radiological Society of North America. In the study of both women and men, 50 (79%) of the 63 patients randomized to transurethral ultrasound-guided injection of adult stem cells were completely continent after follow-up lasting 630 months, compared with only 2 (7%) of the 28 patients treated with endoscopic injection of collagen after 612 months, he reported on behalf of...
  • Executed Chinese prisoners skinned for collagen treatments

    09/14/2005 2:25:30 PM PDT · by Cautor · 15 replies · 716+ views
    The Register ^ | September 13, 2005 | Lucy Sherriff
    Skin from prisoners executed in China is being used to develop cosmetic collagen treatments aimed at the European market, according to The Guardian. The newspaper says that agents from a China-based company claim the skin, which is taken from prisoners after they have been shot, is being used to develop the collagen for anti-aging treatments such as wrinkle and lip-filling injections.
  • US star (Angelina Jolie) visits Sudan

    10/30/2004 11:27:19 AM PDT · by miltonim · 25 replies · 1,060+ views
    news24 ^ | 10/28/2004 | SA - Edited by Andrea Botha
    US star visits Sudan 28/10/2004 11:00 - (SA) Khartoum - Hollywood actress Angelina Jolie said on Wednesday the situation in Darfur was "unbelievably horrible" and that security remained a major problem, after a tour of Sudan's war-torn region. "It is just the worst thing I have ever seen ... What is happening to the people and women there is just unbelievably horrible," the United Nations goodwill ambassador told reporters in the Sudanese capital. The United Nations says the 20-month-old conflict pitting government forces and Arab militia allies against ethnic minority rebels has created the world's worst ongoing humanitarian crisis, while...
  • New four-winged feathered dinosaur?

    01/28/2003 1:54:40 PM PST · by ZGuy · 17 replies · 1,528+ views
    AIG ^ | 1/28/03 | Jonathan Sarfati
    Papers have been flapping with new headlines about the latest in a long line of alleged dinosaur ancestors of birds. This one is claimed to be a sensational dinosaur with feathers on its hind legs, thus four wings.1 This was named Microraptor guithe name is derived from words meaning little plunderer of Gu after the paleontologist Gu Zhiwei. Like so many of the alleged feathered dinosaurs, it comes from Liaoning province of northeastern China. It was about 3 feet (1 meter) long from its head to the tip of its long tail, but its body was only about the size...