Tag: "liquid" at biology news
Frozen 'lake' beneath Antarctica ideal to test sterile drilling techniques
...t and ice - because the temperature is too low for liquid
water. Far from being a disappointment, says a Uni...sts attempt to punch through the ice into pristine liquid
lakes elsewhere in Antarctica in search of exotic microbes. Techniques that avoid contaminating a dr...
Physics tip sheet #18 June 19, 2002
...e this analogy to propose a technique for making a liquid
state of light. They plan to direct a laser beam i...th other photons. The light then acts if it were a liquid
droplet with properties such as surface tension. Journal article: http://link.aps.org/abstract/PRE/...
Bandage could repair damaged tissues
...ate damaged tissue." The product initially takes a liquid
form and then solidifies. "Unlike bandages that have to be cut to shape, doctors can pour this solution over an area, even something like a damaged internal organ, and it will set in place," Kao says. Just as Jell-O thickens when refrigerated, Kao's ...
Harden McConnell named winner of 2002 Welch Award in Chemistry
...ering discoveries concerning the physical state of liquid
membranes, providing principles used every day by many scientists," said NormanHackerman, chair of the Welch Foundation's scientific advisory board. "It's clear that he disregards easy problems," Hackerman told luncheon guests. "He carries out resea...
Welch Award honors McConnell for insights into physical chemistry, cell membranes
...ering discoveries concerning the physical state of liquid
membranes, providing principles used every day by many scientists, says Norman Hackerman, chairman of the Welch Scientific Advisory Board. His combination of physical chemistry and biology has immediate relevance to contemporary research on cell memb...
When every minute counts
... non-allergenic. QuikClot rapidly absorbs all the liquid
in the blood, and leaves behind the clotting factors which then get to work immediately. The material itself is indestructible (it is heated to 800F during preparation) and costs roughly $20 per unit. It has an extended shelf life, and remains viab...
New organ transplant sensor system unveiled
...into the units and we can determine which kinds of liquid
are best for maintaining organ quality and what is the best temperature for storage." The same miniature sensor technology can also be used to give instant readouts and status reports on the organs condition during lifesaving transplant ops The scien...
New technology creates 'super soap'
...ad of germs. Currently, there are two ways bar and liquid
hand soaps control germs on skin. The first is through the combination of the detergent and the mechanical action of hand washing, which removes most organisms. The second is by including an antimicrobial agent in the cleanser to help suppress the re...
New Jersey researcher receives award for developing ozone-friendly aerosol
...e 21st century. Freon is a colorless, nonflammable liquid
that was once commonly used in aerosols such as antiperspirants. The U.S. government banned Freon and other ozone-destroying chemicals in 1995. The chemical propellant developed by aerosol antiperspirant manufacturers to replace Freon reacts with the...
Physics tip sheet #13 May 15, 2002
...tar, high densities cause matter to form a uniform liquid
but just before that happens, nuclei form rod-like...p://www.arxiv.org/abs/nucl-th/0205037 4) Electron liquid
crystals L. Radzihovsky and A. T. Dorsey Physical Review Letters (Print issue: May 27, 2002) Electro...
Freezing cancer cells makes them prime targets for anti-cancer drug, new study finds
...n probe cooled with a cryogen - often argon gas or liquid
nitrogen - into a tumor, turning the malignant mass into an ice ball. Doctors see precisely where they are operating in real time and can thus avoid freezing healthy tissue through the use of ultrasound imaging, a technique pioneered by Rubinsky and ...
Electronic tongue for environmental monitoring
...xtures). Here, the chemical sample, contained in a liquid
or a gas, is passed through or over a solid matrix which has a high surface area for example a glass cylinder packed with silica beads. It is possible to attach a variety of chemical hooks on to the beads, so that as the sample passes down the colum...
New research could spearhead permanent nuclear waste storage
...amorphosis of the high aluminum content waste from liquid
to solid. This knowledge will be applied to the pe...um compounds in the tanks transform from a soluble liquid
to a solid form, the scientists also are learning more about how to handle the highly toxic waste. "...
High protein diets cause dehydration, even in trained atheletes
...they felt and consequently they did not drink more liquid
from the low to high protein diets. Athletes or extremely active people may also want to monitor hydration status. In fact, say the researchers, you might want to drink more water regardless of your diet. It has been estimated that three of every f...
Diabetes tied to altering of the heart's circadian clock
...obarbital, hearts were isolated, freeze clamped in liquid
nitrogen and stored at -80oC prior to RNA extraction. RNA extraction and quantitative RT-PCR of samples was performed. Standard RNA was made for all assays by the T7 polymerase method using total RNA isolated from the rat heart. Immediately prior...
New process speeds protein separation
...ed ProteoSepTM, uses conventional high performance liquid
chromatography (HPLC) techniques and could be "a r...ied. In the ProteoSep system, proteins remain in a liquid
phase throughout the separation process. Like 2-D gel electrophoresis, the new method first separat...
April GEOLOGY and GSA TODAY media highlights
...composition of these ancient zircons suggests that liquid
water was stable on the surface of Earth and that continents were beginning to form. Possibly there were oceans as early at 4,400 Ma. These results are consistent with the hypothesis of a cool early Earth, where the meteorite flux was less intense th...
Michigan State scientists identify chemical come-on of sea lamprey
...ogram - and behavioral responses. High performance liquid
chromatography, fast atom bombardment mass spectrometry, nuclear magnetic resonance and thin-layer chromatography were used to examine the structure of the compounds released by spermiating males. The result: a purified vial of the equivalent of supe...
Patch delivers longer, deeper relief from dental pain
...g the patch. "The pressure of liquid
being injected into the tissues causes pain," Carr said. "We wanted to know how the pain from an injection compared to a needle stick by itself." Dentists often use a topical gel to numb th...
Natural antifreeze yields secrets
...76 F), the proteins are surrounded with a shell of liquid
water and are constantly moving and changing shape...ture stops ice crystals from growing and preserves liquid
water around the protein, said John Crowe, who with Fern Tablin of the UC Davis School of Veterinary...
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