Tag: "armor" at biology news

Eviction From Scum Home Makes Disease-Causing Microbe Vulnerable

A team of microbiologists has found a chink in the armor ofan opportunistic microbe that is a top cause of infections inhospitals. By genetically altering the bacteria Pseudomonasaeruginosa, the team was able to break up the colonies thatnormally make the germ resistant to detergents and antibiotics.The wo...

CWRU physicists invent "supershielding" for MRI devices

...at Case Western Reserve University,have created an armor they call "supershielding." The physicists will report on their new invention in the article,"Supershielding: Confinement of Magnetic and Electric Fields," tentatively scheduled for an August issue of PhysicalReview Letters. The shielding completely ...

Geologists at UNC-CH discover state's 'most spectacular' fossils

...hodonherpetairus. Also in the stomach were armor plates from a 2- to 3-foot long creaturecalled Aetosarus that had a pointed nose and tail and looked like "a littlestreamlined armadillo." Beneath the larger animal were the remains of still anothercrocodile-like reptile known as a sphenosuch...

Discovery of armored viruses may inspire new designs for nanotechnology

...um freedom of movement during battle. The protein armor discovered in HK97 may have a similar function, allowing the virus mobility while protecting its precious cargo of DNA. "The virus has developed a very clever way of keeping its DNA intact," notes Tsuruta. Interlocking molecular rings, called catenan...

Story tips from the Department of Energys Oak Ridge National Laboratory, March 2001

... pig could also be used in the development of body armor to model the transmission and distribution of force. [Contact: Glenn Allgood] ENVIRONMENT Zebrafish is perfect guinea pig . . . Turning the drab brownish-gray zebrafish green isnt a St. Patricks Day stunt for researchers at ORNL. Actually, the res...

Penn paleontologists locate a new genus of colossal dinosaur along an ancient coastline

... ribs, both scapulae, both humeri, possible dermal armor and additional forelimb elements. The Bahariya Oasis was the site of extensive paleontological research a century ago: German expeditions led by Ernst Stromer found bones from smaller dinosaurs and other ancient creatures at the site in the early 190...

Biotechnology promises major advances for U.S. Army

...red proteins, camouflage materials and lightweight armor inspired by living organisms, portable solar-power... inspired materials could provide light protective armor for soldiers, and therapies for shock trauma from excessive bleeding could be developed." Biotechnol...

Science Report: Super-crocodile crawls out of the African Cretaceous

...as covered from head to mid tail in an overlapping armor of scutes (bony plates embedded in the skin), each sporting annual growth rings that the researchers used to estimate the age of a given animal. Thin sections from scutes, taken from a fossil individual that had reached about 80 percent of its estim...

Fish may show how nature diversifies

... that lives near shore, for example, has less body armor and a thicker body. The species that lives in open...on of the size and number of different feeding and armor structures, the authors report. But perhaps more important, said Kingsley, is the creation of a reso...

Nexia and US Army spin the worlds first man-made spider silk performance fibers

...al sutures, biodegradable fishing lines, soft body armor and unique material composites. Our strategy is two-fold: to produce large quantities of BioSteel through our proprietary transgenic goat technology and to optimize spinning processes to create a diversity of spider silks with specific properties." ...

Potato technology may help move mail

...waves and accelerators, and developing lightweight armor for people and vehicles. The INEEL is a science-based, applied engineering national laboratory dedicated to supporting the U.S. Department of Energy's missions in environment, energy, science and national security. The INEEL is operated for the DOE b...

UNC geologist, students to unveil 221 million-year-old top N.C. fossil

...hogomphodon herpetairus. Also in the stomach were armor plates from a 2- to 3-foot long creature called Aetosarus that had a pointed nose and tail and looked like a little streamlined armadillo. Beneath the larger animal were remains of still another crocodile-like reptile known as a sphenosuchian. That c...

Anthrax spores use failsafe protection system, say U-M scientists

... way of ensuring that it won't lose its protective armor until conditions are right for germination." Hanna and Ireland discovered that amino acids, the fundamental building blocks of all proteins in the body, in combination with purine ribonucleosides, the building blocks of DNA and RNA, are triggers for...

Studies of spider's silk reveal unusual strength

...st is to use it as material for bulletproof vests, armor and tethers; there are many possibilities," said first author Emin Oroudjev, a researcher at UC Santa Barbara. At UC Santa Barbara, the focus is on the basic research of learning how the protein folds and how it is organized in the silk fiber. Using ...

Dutch researchers receive award for combating terrorism with chemistry

...them as Heroes of Chemistry." Personal and vehicle armor must provide maximum protection at minimal weight. Traditionally, lightweight armor was modeled on woven fabrics, but in the late 1980s, DSM learned that material made from its super-s...

Purdue creates self-generating nanotubes with 'dial-up' properties

...ce everything from boat hulls and aircraft to body armor and parachutes." Another secret to creating custom-made tubes lies in manipulating a property called chirality, which has to do with the direction the spiral-shaped tubes twist. Nature only twists molecules in one direction -- this is why DNA molecu...

Gene's role in malaria drug resistance proved

...this gene acts as both a shield and a chink in the armor of P. falciparum by making the parasite less susceptible to chloroquine, but more susceptible to some other anti-malarials. Dr. Fidock and members of his laboratory at the Albert Einstein College of Medicine published their findings in this week's e...

The seashell's inner beauty

...or high-strength, protective coatings such as body armor and biocompatible substrates for growing human tissue or organs, Kotov and his colleagues are working with a company to further develop the material and techniques. And, because researchers can easily add new components like ultraviolet light- or co...

Crabs switch skeleton types

...rtainly are more vulnerable without the tough body armor they grow to protect themselves, but they are not at all helpless. It turns out that they can run around, swim and exert considerable force." When they need more room to grow, blue crabs swallow a lot of water to puff themselves up and then crack apa...

Taking aim at bioterrorism: UH professor gets HHS funding to battle anthrax

...that knowledge, he can determine the cracks in the armor of a particular agent in this case, anthrax. Initially, the Blanke Lab will be the only laboratory at UH directly participating in the RCE program, but the biochemist predicts that the ongoing research would expand, increasing interaction among UH...

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