Tag: "adhere" at biology news

Common call for action on European Research Council (ERC)

...nity in the organisation of an ERC and the need to adhere to strict criteria of scientific excellence....

Ocean scientists assess impact of seismic pulses in effort to protect whales

...n Act in 1972, ships operating in U.S. waters must adhere to increasingly strict guidelines, in order to minimize impacts on whales and other animals. This includes the gradual ramping up of a seismic array over 30 to 60 minutes, to warn whales and give them time to leave the area. The National Marine Fishe...

New model explains why costly insect 'outbreaks' hard to predict

...ists have sought models that explain why outbreaks adhere to such consistent timetables. But, while the populations of 18 of the insect species that produce outbreaks do seem to follow a cycle, Dwyer's team found some surprising data when they looked more closely. "Earlier models assume that outbre...

Medical implants work better when you rough them up, study finds

...me before such implants are made and used doesn't adhere nearly as strongly to the surrounding tissues," he continued. von Recum realized the problems smooth-surfaced implants presented while working with catheters used for long-term life support. "Tissue eventually builds up around the area where the smoo...

Why some diabetics are at greater risk for UTIs

... E. coli's ability to cause UTIs is its ability to adhere in the bladder. The researchers found that insulin along with glucose in concentrations similar to what are found in the urine of type-2 and gestational diabetics increases E. coli's adherence. This enhanced binding may begin to explain why these t...

Fox Chase Cancer Center research reveals how COX-2 causes ovarian cancer

... a scaffold to which cells called epithelial cells adhere in an organized fashion, Xu explained. When there is no basement membrane, the epithelial cells become disorganized and unregulated and may undergo transformation from a normal to cancerous state. Xu added that basement membrane is also lost during...

New polyelectrolyte inks create fine-scale structures through direct writing

...ile spanning the structure, but flexible enough to adhere to other filaments.Dispensed from a syringe by a computer-controlled, three-axis micropositioner, the polyelectrolyte ink exits the nozzle as a continuous filament that is deposited into a reservoir on the substrate surface, yielding a two-dimensiona...

Artificial prions created

... inducing normal proteins to alter their shape and adhere to an initial aggregate "seed." These growing masses are then thought to divide with the help of "chaperones," cellular proteins that aid in protein folding and transport, resulting in smaller prion particles called propagons. The propagons are then ...

New approach limits damage after heart attack and improves survival, say Scripps Research scientists

...ined by what are known as endothelial cells, which adhere to one another and line the body's blood vessels like bricks lining a subterranean tunnel. Through the work of Cheresh and other basic science researchers over the past decades, a number of the adhesion molecules that hold these endothelial cells ...

Microbial fuel cell cleans, generates electricity from domestic wastewater

...e inches of surface area to which the bacteria can adhere and pass electrons. The cathode is a carbon/platinum catalyst/proton exchange membrane fused to a plastic support tube. Logan notes, "I'm optimistic that MFCs may be able to help reduce the $25 billion annual cost of wastewater treatment in the U...

Disease-fighters in our mouths provide clues to enhancing the immune system

...is full of moist surfaces, perfect for bacteria to adhere to; we feed these bacteria at regular intervals with nutritious foods and snacks." As a result, and despite efforts to brush them away, we have millions of bacteria in our mouths, according to Dale. "Yet most of us remain healthy--without infections-...

Planning effective bioterror responses

...cs to the public and what happens if people do not adhere to the recommended antibiotic policy. One of the most important factors in preventing disease is getting antibiotics quickly to persons who were exposed, he said. In 2001, many people did not receive antibiotics until more than nine days after expos...

Gates Foundation commits $82.9 million to develop new tuberculosis vaccines

... pipeline into primary and back-up candidates, and adhere to strict timelines and predetermined "go/no go" criteria. Sadoff emphasized that more resources are needed to support TB vaccine research efforts. "We hope that the Gates Foundation grant will leverage much-needed support from other donors, both i...

Inhibition of Borrelia burgdorferi protein may reduce Lyme disease transmission

... surface protein OspA that allows the bacterium to adhere to the tick gut and instead begins expressing an alternative outer surface protein, OspC. In order to determine the function of OspC, Erol Fikrig and colleagues generated a strain of the B. burgdorferi bacterium that was deficient in OspC. These bact...

JCI Table of Contents, January 15 2004

... surface protein OspA that allows the bacterium to adhere to the tick gut and instead begins expressing an alternative outer surface protein, OspC. In order to determine the function of OspC, Erol Fikrig and colleagues generated a strain of the B. burgdorferi bacterium that was deficient in OspC. These bact...

Purdue chemist 'mussels' in on secrets of natural adhesives

...ngs for frying pans. "This material's ability to adhere to many surfaces and its biological origin may makeit useful in medical applications," Wilker said. "This glue could be modified for use in wound closure, nerve reconstruction, or when one might need a scaffold upon which to grow cells and build new ...

Purdue research suggests 'nanotubes' could make better brain probes

... astrocytes can't make scar tissue unless they can adhere to the probe," Webster said. "Fewer astrocytes adhering to the nanotubes means less scar tissue will be produced." The Purdue researchers pressed numerous nanofibers together to form discs and placed them in petri plates. Then the petri plates were...

JCI table of contents, January 2, 2004

...ynapse with these cells. The CTLs and target cells adhere using the adhesion molecules LFA-1 and its counter-receptor ICAM-1. In the January 2 issue of the Journal of Clinical Investigation, Michael Dustin and colleagues from the Skirball Institute of Biomolecular Medicine in New York describe a novel adhes...

Biodegradable particles mimic white blood cells, target inflamed tissue, new study finds

... or a wound, the white blood cells, or leukocytes, adhere to the site to treat the problem. But in inflammatory diseases such as arthritis, heart disease or inflammatory bowel disease, leukocytes accumulate in an area where they aren't needed and cause or progressively worsen the disease. To address that i...

Alcoholics with antisocial personality disorder have blunted emotional reactivity

...t aggressive and impulsive behavior and failure to adhere to societal norms, may be a marker for underlying deficits in emotional reactivity and related impairment in frontal-limbic processes." Although a number of studies have identified a strong relationship between child and adolescent conduct problems ...

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