Tag: "wall" at biology news
Research aims to identify markers for menopausal women at risk for deadly blood clot
...lammation that affects the platelet and the vessel wall
are involved in the development of thrombotic risk. The study builds on the teams earlier findings in an animal model. They are applying the earlier results to a human population for the first time using blood taken from the women enrolled in the...
Preclinical study links gene to brain aneurysm formation
...akens and stretches, forming a bulge in the vessel wall
that can rupture and hemorrhage. Intracranial arte...nvolves reabsorbing the inner layers of the vessel wall
and forming new outer layers to replace them, explains Abruzzo. Although we dont fully understand...
Study points to new way to predict death risk from torn aorta
...area of blood vessel, but the layers of the vessel wall
stay together. The patients were mostly male and in their 60s. Nearly all the patients were diagnosed within a day of arrival at the hospital, using cross-sectional imaging techniques such as CT, MRI or transesophageal echocardiogram (TEE). The pa...
Cardiac patches stimulate regeneration, improve function after heart attack
...on echocardiograms, and decreased left-ventricular wall
stress on catheterization. They also had less scarring of heart tissue, a reduction in infarct size and a denser network of blood vessels feeding the area. In contrast, the rats receiving Gelfoam alone showed little if any improvement. At the cellu...
White blood cells are picky about sugar
...d killing by neutrophils varies, depending on cell wall
properties of the microbe, explains Whitehead postdoctoral researcher Ifat Rubin-Bejerano, first author on the paper, which appears July 11 in the journal Cell Host & Microbe. We showed that neutrophils respond in a completely different way to slight...
Piecing together the cyanobacteria puzzle
... the level of sub-micron nitrogen storage and cell wall
formation during cell division, Weber said. The researchers used stable isotope tracers in nitrogen and carbon dioxide gases to track nitrogen and carbon fixation. After a few hours of incubation, vegetative cells exhibited a large enrichment in c...
Malaria-resistant mosquitoes battle disease with 'molecular warhead'
...e parasite then embeds itself in the mosquitos gut wall
and reproduces, eventually passing to the salivary glands. The mosquito then infects new people during subsequent bites. The research groups French collaborators, using a Plasmodium species that infects rodents, previously determined that the gene...
American Chemical Society's Weekly PressPac -- June 27/July 3, 2007
...ry involves attaching platinum compounds to single wall
carbon nanotubes (SWNTs), one-atom thick sheets of graphite rolled up into a cylinder with a diameter about 50,000 times smaller than the width of a human hair. The SWNTs act as efficient transporters for the platinum warhead, carrying it to the tumo...
Health Physics Society
... and bolts in a private home, just one thin wooden wall
away from the family bedroom. Cesium-137 is a common radioactive isotope used by industries to check materials for flaws, and for making industrial measurements. Currently this work is focusing on controling orphan sources in China and Africa. IAE...
Mother-of-pearl -- Classic beauty and remarkable strength
...abalone shell, previously seen to resemble a brick wall
with layers of organic "mortar" separating individ...light from the synchrotron revealed that the nacre wall
was not uniform. Instead, the wall
contained distinct clumps of bricks, each an irregular column...
$125 million bioenergy initiative powered by Midwest ag industry, MSU research
...y research. Keegstras expertise is in plant cell wall
biology a crucial area in making biofuels. He has extensive management and scientific experience, having served for 14 years as director of the DOE-funded Plant Research Laboratory at MSU and as faculty member in the botany department at UW-Madison ...
UC Davis is partner in new $125 million federal bioenergy research center
...el, Arabidopsis, to understandexactly how the cell wall
is constructed," Ronald said. Other UCDavis scientists will be looking for microbes that are particularlyadept at degrading those cell walls, which is a key step in thebiofuels production process. Of the $125 million, about $5 million will come to ...
Link between obesity and enlarged heart discovered by University of Arizona researchers
.... We observed that the thickening in the muscle wall
becomes especially noticeable in obese patients who have a Body Mass Index (BMI) of 30 or greater, says Dr. Movahed. Previous studies have shown that left ventricular hypertrophy is associated with a higher risk of mortality. Analyzing 17,261 heart...
Mucosal-surface immune function discoveries could boost vaccine research
...ally thought of epithelial cells as merely a tight wall
or barrier shielding the body from outside invaders. "However, our work suggests that these cells also act in an immunological way in the presence of commensal bacteria," Dr. He says. "Using specific receptors on their surface, epithelial cells sen...
Study suggests other causes for childhood brain aneurysms
...akens and stretches, forming a bulge in the vessel wall
that can rupture and hemorrhage. Intracranial arterial aneurysmsuncommon in pediatric patientsare bulges that develop in the arteries that carry blood to the brain. In addition, Abruzzo reports that 75 percent of the patients whose aneurysms develo...
Now playing -- Cell migration LIVE!
...necessary to help border cells detach from the egg wall
and begin their journey. We used to think that Kuz...e can see them valiantly trying to detach from the wall
but unable to pull away. Montell and her team tediously worked out a recipe for a liquid culture ...
Satellite images show destroyed and threatened villages in Darfur
... hundreds of structures are crammed up against the wall
of a base occupied by a small monitoring force from the African Union. The sites that will be monitored for any evidence of violent change include a settlement in northern Darfur called Malam el Hosh that is in a very dry, arid location. Nearby is ...
Talcum powder stunts growth of lung tumors
...heals, it becomes permanently adhered to the chest wall
without impairing the patients breathing. The effects of the procedure, called medical thoracoscopy with talc pleurodesis, are immediate and last a lifetime. Shortness of breath is a horrible way to die, Antony said. The procedure spares the patien...
New screening method to help find better biofuel crops
...ne which crops offer the right combination of cell wall
composition and degradation to maximize the materials conversion to ethanol. If successful, a simplified version of the test could even be used in the field to determine if plants were at the prime stage for harvest. Just like vintners monitor and...
Researchers track how spores break out of dormant state
... (AFM) the alterations of spore coat and germ cell wall
that accompany the transformation from a spore to ... AFM imaging also revealed the porous fibrous cell wall
structure of newly emerging and mature vegetative cells, consisting of a network of nanometer-wide p...
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