Tag: "moves" at biology news

War on terror meets war on cancer

...dy that challenges the long-held belief that water moves so rapidly through cell membranes and pores that the water inside cells is chemically identical to the water outside cells. Scientists from the University of Utah in Salt Lake City and Pacific Northwest National Laboratory in Richland, Wash., publis...

Plant gene related to cancer treatment may foster new oncology drugs

...GP and PIN proteins determines the direction auxin moves and, therefore, how the plant develops, Murphy said. In plants, shape, height and bending in response to light and gravity are largely determined by the direction and amount of auxin moving through their tissues. Murphy and his collaborators on the P...

Watch your step when the going gets rough

... accurately is a complicated process. If something moves where you plan to place your foot then you can adjust your step while your foot is swinging through. Experts thought previously that if nothing changed in the path, or in your plans, then the place where your foot will land is fixed before it even le...

Speedier NIH review of research applications planned

... Scarpa, M.D., Ph.D., added, "The scientific world moves fast, and we must keep up with it. We plan to use new electronic and management tools while preserving the rigor and fairness of NIH peer review, so we can identify the most promising medical research more rapidly. Our goal is to reduce the grant rev...

Herceptin plus chemotherapy improves disease-free survival in early breast cancer

... illustrates the promise of targeted therapies and moves us closer to our goal of minimizing the toxicity of therapy while maximizing efficacy." Herceptin is effective in women with HER-2 positive breast cancer, about one in four diagnosed with the disease every year. HER-2 positive breast cancer patient...

Turf management education resource published

...egrated introduction to water chemistry, how water moves in soils, soil water repellency, soil wetting agent technology, and the use of soil wetting agents to address water repellency. Use of soil wetting agents is common practice, but a lack of basic applied information on soil water repellency and how ...

Membrane research opens window to benefits for plants, humans

...n full detail. "We could see how every single atom moves and how collective motions of a large number of atoms resulted in the opening of the channel," he said. Aquaporins -- discovered in 1991 by Peter Agre, now vice chancellor for science and technology at Duke University Medical Center -- help cells adj...

ASU geologists suggest Mars features are result of meteorite strikes, not of evaporated lakes

...tifacts of water interacting with the ground as it moves through the rocks. But in order to make as many spheroids as they found, it would take large amounts of groundwater to be present and "these things need to grow within rock. We didn't see any evidence of this," said Knauth, who has been studying conc...

Scientists identify molecular structure of key viral protein

...he cell to infect it." In the process the protein moves from its first folded state, the metastable state (pre-fusion), to its second, final and very stable state (post-fusion), undergoing a dramatic change of shape. "The protein in its metastable state has a very specific job to do -- to enable infection...

U of M researchers unlock mystery of layer encircling the Earth's core

...arth's surface motion without understanding how it moves inside. What's unbelievable is how well we can model Earth on a big scale. At this scale, small details don't matter." In 2004, Japanese researchers at the Tokyo Institute of Technology found that high temperatures and pressures transform perovskite,...

UF scientists trace origin of shark's electric sense

... see a hammerhead shark searching for flatfish, it moves its head back and forth, almost as if it were using a metal detector. Knowing that the electrosensory system may have developed with involvement of neural crest cells is valuable for people trying to reconstruct vertebrate evolution. It gives us furt...

A new way of looking at molecular motors

...rs that run backward and forward, the way a person moves hand over hand along a rope. Making muscles contract involves a large number of motors that work very fast in neatly arranged teams, quickly letting go of the track once they have completed their "power stroke." Most molecular motors have a head, a ...

New Georgia Tech probe revolutionizes nano imaging

... the deflection of the cantilever as the sharp tip moves over the surface and interacts with the material b...ersion of the probe, the membrane with a sharp tip moves toward the sample and just before it touches, it is pulled by attractive forces. Much like a microph...

Biologists visualize protein interaction that may initiate viral infection

...rotein receptor are linked, perhaps the virus then moves across the cell surface to find a second protein, attaching to that receptor and entering the cell. "One of the things that this study shows is that only a very small portion of the cell's surface is occupied by the DC-SIGN molecule, which means a si...

Gene design program from Johns Hopkins simplifies, automates and speeds design of 'artificial' genes

...he gene that codes for that protein. Then the user moves through a series of steps that guide the design of the gene and vector that will carry the gene into the cell. Users can follow the main "Design a Gene" path or use the modules individually as needed. Vectors are mobile pieces of DNA that are used to...

Crossing the Valley of Death: Moving science into practice and policy

...ts once an ecosystem is perturbed sufficiently, it moves to a new "state" and stays there. The ecosystem does not revert to its previous condition. This model better explains how former grasslands may change to shrublands when subjected to intense grazing under certain climate regimes or why some heavily l...

Scientist uses dragonflies to better understand flight

...ent motions is very important." Still, Wang's work moves researchers a step closer to building such a machine. "I want to build insects on a computer as a way of learning why almost all things that move in fluid use a flapping motion," said Wang. "Whether it's a fish which flips its fins or a bird, they're...

Unearthing explanations for New Madrid earthquakes

...ng the San Andreas Fault because the Pacific plate moves horizontally past the North American plate, like two bumper cars brushing up against each other. Understanding why earthquakes occur in the New Madrid zone, on the other hand, has proven more elusive. The zone is in the middle of the North American p...

Infection 'alarm' yields clues to immune system behavior

...als traveling over a telephone wire, TNF's message moves along this pathway from the cell's surface to its ...ds the alarm, as a very weak radio transmitter. It moves very slowly as it carries its warning message to neighboring cells, so it is unable to send that mes...

Creation of antibiotic in test tube holds promise for better antibiotics

...agical manner in which nisin is made in nature and moves researchers closer to producing new antibiotics that would preclude the development and spread of antibiotic-resistant bacteria, said Wilfred A. van der Donk, a professor of chemistry, and Satish Nair, a professor of biochemistry, both at the Univers...

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Breaking Biology News(10 mins):EyeLock, MorphoTrust Form Strategic Partnership to Pursue Commercial Enterprise Deployments 2EyeLock, MorphoTrust Form Strategic Partnership to Pursue Commercial Enterprise Deployments 3Yaniv Schiff Promoted to Director of Digital Forensics at Forensicon, Inc. 2Community Foundation Of The Verdugos Unveils Campaign To Fund Glendale-Burbank DNA Justice Project 2
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