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Contact in Biological News

Research explores interactions between nanomaterials, biological systems

... the likelihood of people coming into direct contact with these materials. There are currently ... of the interactions when nanomaterials contact and bind to biological systems will help ... with a water-repelling polymer to reduce direct contact with human skin. An extension of this principle ...

Caltech researchers explore how cells reconcile mixed messages in decisions about growth

... epithelial tissues, mature cells that are in contact with one another tend not to divide, explains ... principal investigator. This process, known as contact inhibition, is one of the ways the body keeps cell growth in check. When contact inhibition is disrupted, you get uncontrolled ...

UC Davis researchers visualize formation of a new synapse

... synapses form and can accumulate very soon after contact between cells," Barrow said. Barrow described ... the tip of the axons and eventually make a stable contact with the dendrite. We can then see neuroligin accumulate at these new contact sites very rapidly, possibly stabilizing adhesion ...

Urban myth disproved: Fingerprints do not improve grip friction

... rubber, where the friction is proportional to the contact area between the two surfaces. To check that ... varied the area of each fingerpad that came into contact with the surface by dragging narrow and wide ... did increase as more of the fingerprint came in contact with the surface, so the skin was behaving just ...

Study reveals conflict between doctors, midwives over homebirth

... mocked and put on the defensive when in contact with physicians. "We've been getting insight ... Cheyney sees is that physicians only come into contact with midwives when something has gone wrong with ... feeling defensive and upset, Cheyney said, the contact between her and the physician can often be tense ...

When cells reach out and touch

... , the researchers discovered that cell-to-cell contact revs up the manufacture of these small but mighty ... an "accidental discovery," the team was studying contact inhibition: a phenomenon in which non-cancerous ... each other. Cancer cells, on the other hand, lose contact inhibition and continue to proliferate even when ...

April 2009 Geology and GSA Today media highlights

... to GEOLOGY or GSA TODAY in articles published. contact Christa Stratton for additional information or ... how Mount Vesuvius basaltic magmas coming into contact with the carbonate rocks of the basement ... to the volatiles released during low-temperature contact metamorphism of the intruded rocks. Ganino and ...

Common fragrance ingredients in shampoos and conditioners are frequent causes of eczema

... one person in five in Sweden has some form of contact allergy. Nickel is by far the most common ... around us, and this is probably the reason that contact allergy to this material is so common. Some ... cream that contains linalool but never develop contact allergy, but we know that the risk increases as ...

Even natural perfumes may cause allergies

... Hypersensitivity to perfumes is the most common contact allergy in adults. Research at the University of ... in northern Europe is believed to suffer from contact allergy to one or more chemicals. The most common ... nickel allergy, but many people also suffer from contact allergy to perfumes even perfume substances that ...

Flowering plants speed post-surgery recovery

... State University, provides strong evidence that contact with plants is directly beneficial to a hospital ... benefits. The study provides strong evidence that contact with plants is directly beneficial to patients' health, providing meaningful therapeutic contact for patients recovering from painful surgery. ...

Just a little squeeze lets proteins assess DNA

... probably works faster than requiring full-body contact with all the DNA, the researchers suggest. Quick ... DNA to read it. Removing the direct readout contact between the protein and the DNA might show whether the DNA distortion or the contact itself was important, Horton said. Therefore ...

USGS Science Picks

... tip sheet at http://www.usgs.gov/newsroom or contact Leslie Gordon at 650-329-4006 or ... or contact Todd Esque at (702) 564-4506 or ... Web site at http://minerals.usgs.gov/ or contact Dennis Kostick at (703) 648-7715 or ...

New filtering technology has environmental, industrial applications

... "contact angle" of the substance. The higher the contact angle, the more a material is likely to form beads. Lowering the contact angle enough prevents substances from beading. "This material maximizes oil's contact angle while minimizing ...

USGS news: August science picks

... . For more information, contact Jessica Robertson at 703-648-6624 or ... http://www.shakeout.org/ . For more information, contact Clarice Nassif Ransom at 703-648-4299 or ... . For more information, contact Jennifer Adleman at 907-786-7497 or ...

Simian foamy virus found in several people living and working with monkeys in Asia

... between the species. People are in close contact with monkeys in many settings in Asia: in cities, ... is a heterogeneous sample subjects reported contact with primates in a variety of contexts," ... also reduce their risk by limiting their close contact with the animals. Tourists can reduce their risk ...

Weill Cornell science briefs June/July 2008

... neuropathy. For more information: Please contact Ivanka Zaprianov at 212-746-2349. ... the infection. For more information: Please contact Arline Loh at 646-962-4731 or email her at ... type-O blood. For more information: Please contact Cynthia Cabral at 212-746-5118. Drug for ...

Self-moisturizing contact lenses, naturally

... Even contact lenses are joining the trend to go green. ... can be used as a natural moisturizing agent in contact lenses. This is a step up from the current wave of self-moisturizing contact lenses that use synthetic materials as a wetting ...

The good, the bad and the smelly: USGS at the 2008 Coral Reef Symposium

... or immune function. For more information, contact Virginia Garrison at 727-803-8747, ext. 3061 or ... only about 30 years. For more information, contact Eugene Shinn at 727-533-1158, ... sources of coral larvae. For more information, contact Caroline Rogers at 340-693-8950, ext. 221, ...

New research refutes myth of pure Scandinavian race

... villages but, on the contrary, were in constant contact with the wider world. On the southern part of ... origin. The ancestors of the Danes were in contact with the wider world Archeologists and ... it becomes clear that the Danes must have been in contact with other peoples," says scientist, Linea ...

USGS science picks -- leads, feeds and story seeds

... . For more information, contact Clarice Nassif Ransom at 703-648-4299 or ... . For more information, contact Clarice Nassif Ransom at 703-648-4299 or ... . For more information, contact Susan Garcia at 650-329-4668 or garcia@usgs.gov ....

MIT solves gravity-defying bird beak mystery

... process depends on a surface interaction known as contact angle hysteresis, typically an impediment to drop ... example, raindrops stick to window panes due to contact angle hysteresis. In the case of the bird beak, the time-dependent beak geometry couples with contact angle hysteresis to propel the drop upward. ...

Herbicide-tolerant crops can improve water quality

... herbicides with strongly sorbed, short half-life, contact herbicides that may be more environmentally ... US was genetically modified for tolerance to the contact herbicide glyphosate (Roundup), which is ... engineer Rob Malone, noted that losses of contact herbicides in surface runoff were usually much ...

USGS April 2008 science picks

... . For more information, contact Clarice Nassif Ransom at (703) 648-4299 or ... or contact Katherine Kendall at (406) 888-7994 or ... . You can also contact Diane Noserale at (703) 648-4333 or ...

It's all about geometry: Protein contact surfaces hold key to cures

... Argonne National Laboratory to study how proteins contact cell membranes. It turns out that this ... zoom in on key details of this all-important contact process, holding out the promise of new ... important to be able to predict these protein contact surfaces theoretically, using a computer program ...

Family ties that bind: Maternal grandparents are more involved in the lives of their grandchildren

... grandparents will go to maintain face-to-face contact with their grandchildren. They found that ... to sustain frequent (daily or a few times a week) contact with their grandchildren than paternal ... over 30% of the maternal grandmothers had contact daily or a few times a week. Around 25% of the ...

Scientists link immune system's natural killer cells to infant liver disease

... they discovered that NK cells rely on the receptor gene, Nkg2d, to make contact with and attack bile duct surface cells by attaching to the Nk2d protein, which resides on the membranes of bile duct cells. Once that contact is established, NK cells break down the membranes of bile duct surface ...

Funxional successfully completes initial clinical trial of FX125L, an anti-inflammatory drug with a novel mechanism of action

... about FXT, please visit our web site ( www.funxionaltherapeutics.com ) or contact us by e-mail ( info@funxionaltherapeutics.com ). About BSCIs BSCIs ... as candidates for development as topical anti-inflammatory agents. contact Konstantinos Efthymiopoulos CEO of Funxional Therapeutics +44 1223 ...

A bad performance is better than no performance at all

... development both in humans and in birds. When children grow up without contact to other humans they either develop no or a rudimentary form of human ... tutors by raising young canaries in isolation from adult males but in contact with peers and females. When these poor singers later on sired ...

Healing wounds with lasers, vehicles that drive themselves, other cutting-edge optics

... http://www.cleoconference.org/media_center/mediaregistrationform.aspx or contact OSA's Colleen Morrison at 202.416.1437, cmorri@osa.org . A press ... Applications: Today and Tomorrow." To register for the press luncheon, contact OSA's Colleen Morrison at cmorri@osa.org , 202.416.1437. ...

ExcellGene SA first company to offer contract manufacturing in 250 Liter OrbShake bioreactor

... For additional information, please visit http://www.excellgene.com or contact us directly at bd@excellgene.com . About Kuehner AGKühner AG, ... additional information, please visit http:// www.sartorius.com.com . contact Markus Hildinger Chief Business Officer ExcellGene SA Route de ...

In troubled economic times, BioSquare 2009 successfully serves as business and innovation starter

... format for more effectiveness, more contacts and more ... Press contact Frédéric Le Gall  fred@tamaco.fr   +33 (0)6 64 28 89 00 BioSquare contact Bernadette Guagliata bernadette.guagliata@bioevents.eu ...

Microscope reveals how bacteria 'breathe' toxic metals

... maneuvers proteins within the bacterial cell into its outer membrane to contact metal directly. The proteins then bond with metal oxides, which the ... individual bacteria to detect protein molecules on the cell surface and in contact with the metal. The researchers coated their probe tip with antibodies ...

Cutting-edge amfAR grants fight HIV/AIDS in the lab and on the phone

... how best to counteract them. When such communication occurs by physical contact between cells, HIV can subvert this process by moving from an infected ... transmission: A cell can become newly infected with HIV either by contact with a cell-free virus, or with a virus inside an infected cell. ...

Inhibiting proteins may prevent cartilage breakdown in arthritis patients

... MMP-1 gene, researchers explored the site of the interaction as a possible contact point for competitive inhibition. In competitive inhibition, a molecule ... we will continue to explore the interacting domain of SAF-1 as a possible contact point for competitive inhibition." ...

A pocketful of uranium

... a nuclear fuel and in weapons increases the risk that people may come into contact with it, and the storage of radioactive uranium waste poses an additional ... risk. However, radioactivity is not the only problem related to contact with uranium; the toxicity of this metal is generally more dangerous to ...

Here's venom in your eye: Spitting cobras hit their mark

... are no points for distance, however. To be effective, venom must make contact with an attacker's eyes, where it causes severe pain and possibly ... presumably maximizing the chance that a portion of the spat venom will contact the eye," the authors write. The ability to actively disperse venom ...

Goose eggs may help polar bears weather climate change

... forage in rice fields. Polar bear and snow geese populations come into contact in the Hudson Bay. Here, some bears routinely live on land for 4-5 months ... seals. But within a decade, because timing changes would put bears in contact with even more nests with younger embryos (younger embryos are more ...

NAS announces initiative to connect entertainment industry with top experts

... industry. Professionals involved in the creative process may contact the Exchange to be connected with scientists, engineers, health ... The Exchange will be based in Los Angeles. For more information, contact Ouellette at jouellette@nas.edu or 310-570-6803, or visit ...

ASU researchers receive NIH awards for studies of malaria and emergent disease

... little is known about the pathogen exchange between primates in close contact with humans in Asia. According to Escalante, humans in Asia come into contact with primates in many different ecological contexts besides bushmeat ...

As sticky as a gecko... but 10 times stronger!

... carbon nanotubes, while the upper segment--which comes into contact with the surface it is sticking to--is curly, like a mess of spaghetti. ... This action arranges the tips of the curly nanotubes so they have maximum contact with the substrate, thereby maximizing the Van der Waals force. Pulling ...
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