Tag: "detect" at biology news

American Chemical Society's Weekly PressPac -- July 25, 2007

...tes are reporting development of the first test to detect a potential biomarker for human exposure to diesel exhaust, a major source of environmental pollution that is classified as a probable human carcinogen. In an article scheduled for the current (July 16) issue of ACSs Chemical Research in Toxicolog...

Geisinger scientist seeks cure for Lou Gehrig's disease, creating device to find treatment

...e diseases early stage, symptoms may be so hard to detect that the disease gets overlooked. But by the end stages of the disease, the patients are totally paralyzed. ALS is a terrible disease, Gerhard says. Your brain is fine but your body and your muscles just waste away....

Live broadcasts

... addition to the reporter gene to allow the MRI to detect its signals. Unfortunately, processes such as fetal development and those that take place within the central nervous system present barriers to these additional substances. Prof. Michal Neeman and Dr. Batya Cohen of the Weizmann Institutes Biologi...

Scientists find stem cell switch

...ists have discovered how plant stem cells in roots detect soil structure and whether it is favourable for gr...e predict that this is the mechanism plants use to detect how tough or soft the soil is around them, said Professor Dolan. As in humans, plant stem cells ar...

Carnegie Mellon scientists find key HIV protein makes cell membranes bend more easily

...on. The Carnegie Mellon scientists used X-rays to detect the effect of FP-23 on lipid bilayers that mimic cell membranes. Lipid bilayers form different phases that change with temperature, but the fluid phase is the most biologically relevant. Using X-ray diffuse scattering, the team quantified structural ...

FDA sees nanotech challenges in every product category it regulates

...ovel products before they enter the market, and to detect and move swiftly to correct any problems that may arise. Given the agencys insufficient resourceswhich for two decades have not kept pace with inflationmaking sure that FDA has the capacity to safely manage nanotechnology must be the shared responsib...

Scientists discover new way to study nanostructures

...overed that the AC Josephson effect can be used to detect mechanical motion of atoms placed in the Josephson... "We show here that in addition to being able to detect the effects of electromagnetic radiation on the AC Josephson current, one can also use it to probe m...

Molecular detectors may refine cancer treatment

...archers have successfully used molecular probes to detect subtle differences in leukemia cells from patient ..., suggesting that the technique could be useful to detect the molecular fingerprints of cancer in people. The next step toward developing a clinical diagnos...

Purdue-IU researchers explore new method for early disease diagnosis

...simple chemical reaction to improve the ability to detect important molecules in complex fluids like blood a...s. Researchers use nuclear magnetic resonance to detect hydrogen or carbon atoms to provide insight into the metabolites present, however this standard appr...

Study explains how pathogens evolve to escape detection

...rry a protein in their cells called Fen that helps detect P. syringae and trigger an immune response. But some strains of P. syringae have evolved the AvrPtoB protein that mimics a tomato enzyme known as an E3 ubiquitin ligase, which tags proteins to be destroyed. Once injected, AvrPtoB binds the Fen pr...

University of Colorado licenses two influenza virus detection discoveries to Quidel Corp.

... in the physician office laboratory. The BChip can detect two influenza B virus strains (B/Victoria/2/87 and B/Yamagata/16/88), which are critical in determining seasonal influenza vaccines. In a recent study of 62 influenza B virus samples from 19 countries, dating from 1945 to 2005, as well as five ne...

UT and Atom Sciences Collaborate on NIH grant to develop test for major african disease

...the bacteria to refine the diagnostic's ability to detect the subtle genetic differences between bacteria th...e technique is refined, it also will be adapted to detect other important pathogens....

Gene discovered for type 1 diabetes in children

...ely with relatively rare gene variants, we can now detect common genetic variants that are important in large numbers of individuals, and begin to understand how multiple genes interact in complex diseases such as diabetes. In the discovery phase of the study, the investigators examined the genomes of 1,...

Semiconductor membrane mimics biological behavior of ion channels

...ge, we could use the membrane as a p-n junction to detect the changing electrical signal....

A walking robot goes mountaineering

...panded its repertoire. With an infrared eye it can detect a slope on its path and adjust its gait on the spot. Just as a human, it leans forwards slightly and uses shorter steps. It can learn this behavior using only a few trials. The robots ability to abruptly switch from one gait to the other is due to ...

CU researchers discover evidence of very recent human adaptation

...ic changes, signs of evolution were much easier to detect in the less diverse European-American and Chinese genomes. "It is important to emphasize that the research does not state that one group is more evolved or better adapted than another," said co-author Carlos Bustamante, a Cornell assistant professor ...

Sour taste make you pucker? It may be in your genes

...pletely understand how the taste system is able to detect and translate acidic molecules on the tongue into a neural signal that the brain perceives as sour. Demonstrating a genetic component to individual differences in sour taste is the first step in pinpointing the genes that determine sensitivity. The...

UF scientists work to develop simple bladder cancer test

...ad to a simple, fast and noninvasive test that can detect the disease early. Working with colleagues at th...adders interior. Such a test also could be used to detect cancer sooner, possibly before its signs even surface. With any cancer, the earlier you find it th...

Insects to solve crimes

...ies that live on dead tissue, cadavers. Such flies detect a dead body in a question of minutes and at times at a distance of several kilometres. They colonise the cadaver and lay their eggs there. In a matter of hours the larvae are born and the new individuals begin to develop, feeding off the cadaver unti...

Progenika Biopharma presents a biochip that guarantees safety in blood transfusions

.... Two different techniques are currently used to detect possible incompatibilities in blood transfusions: the serological method and DNA sequencing. The serological technique has a limited capacity and does not allow the detection of 3% of the incompatibilities existing. DNA sequencing, while overcoming t...

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