Tag: "each" at biology news
Two-pronged attack targeting EGF receptor hinders cancer cell growth
... cell growth more effectively than using the drugs each
by themselves, researchers from the University of ... of these drugs in combination exceeded the effect each
had on controlling the growth, cellular signaling, and tumor development when administered alone," a...
NIST's new way of 'seeing': A neutron microscope
...neutrons, diverting the neutrons' path slightly at each
interface. The image then is projected onto a detector. Adelphi Technology Inc. of San Carlos, Calif., designed and demonstrated the microscope with the help of NIST scientists, who routinely use multiple lenses to focus neutron beams for other resea...
Spring through fall, cities are greener longer than neighboring rural regions
...nerally shows that greenup advances three days for each
one degree Celsius increase in temperature. This trend was not found for onset of dormancy, suggesting, according to the researchers, a more complex relationship that is influenced not only by temperature but also by daily exposure to light and wate...
DFG presents the 2004 MAK and BAT value lists
...on produced detailed scientific justifications for each
new entry and change in the 2004 MAK and BAT value list. They are published by Wiley-VCH, Weinheim, Germany, and will also be made available online early in 2005. As in every year, the examination and new entry of MAK values and classification of num...
Study finds anti-HIV protein evolved millions of years before the emergence of AIDS
...ntinually evolve new ways to outsmart and overcome each
other just to stay in the game. Such genetic tugs of war also exemplify what is known among evolutionary biologists as the Red Queen Principle, a phrase borrowed from the Red Queen in Louis Carroll's "Through the Looking Glass" that refers to the par...
Urban heat islands make cities greener
... conditions that cause plants to stay green longer each
year, compared to surrounding rural areas. Urban areas with high concentrations of buildings, roads and other artificial surfaces retain heat, creating urban heat islands. Satellite data reveal that urban heat islands increase surface temperatures...
Save the rainforest - eat a tree
...s live in close contact, such as trees living near each
other but on different soils. How the stu...ree seedlings, matched in 10 pairs. One species in each
pair normally lives on red clay soil, while the other species in the pair was a closely related tree...
LICR/UCSD team solves mystery of centromeres
...f genetics' mysteries how a segment of protein on each
of the body's DNA-carrying chromosomes is able to ...of chromosome 21. During cell division, each
cell makes a duplicate copy of its chromosomes. Each pair of identical chromosomes forms a centromer...
Epilepsy: Signals 'brake' in brain impaired
...ching networks through which they communicate with each
other. Each neuron has a series of dendrites which receive signals from other neurons at what are known as synapses. The cell 'processes' these incoming signals like a kind of biological microprocessor and transmits as a result electrical pulses via ...
Casanova or caveman: Scientists isolate nerve cells that choreograph male fly's courtship behavior
... central nervous system, that serves to coordinate each
of the subroutines that make up a behavior - licking, tapping and so forth," Baker said. "There's been some debate about whether the courtship ritual is really made up of subroutines or whether it's one continuum," he added. "What we found is that wh...
UCI study reveals gene linked to breast cancer can suppress tumors
... disease that afflicts thousands of American women each
year. Dr. Ellis Levin, a professor of medicine, biochemistry and pharmacology at UCI, and colleagues at the Long Beach Veterans Administration Medical Center and Georgetown University Lombardi Cancer Center have identified how the healthy BRCA1 gene ...
UNC researchers awarded $8.65 million from National Institute on Aging
...understood." Several medical school faculty, each
an expert in a specific cellular molecular pathway...will help us get to the individual contribution of each
pathway to the process of vascular aging," Patterson said."We're hoping that the new knowledge gaine...
Virtual counselor supplements traditional genetic counseling
... greater chance of carrying the mutation. Women in each
risk group were then randomized into a one-on-one ...with a genetic counselor. The study team gave each
woman a baseline survey. Those in the computer program group were given a second survey after going ...
Satellites are tracing Europe's forest fire scars
...f Marseille. According to the European Commission, each
hectare of forest lost to fire costs Europe's economy between a thousand and 5000 Euros. The distinctive 'burn scars' left across the land by forest fires can be identified from space as a specific reddish-brown spectral signature from a false-colou...
Reaching for the gold
...evaluate potential solutions that are feasible for each
individual athlete," McNitt-Gray said. "Then during training, the coaches will work with the athletes to execute whatever it is a jump, fall, dive, flip just a little bit differently but enough to make a difference." McNitt-Gray works with Henryk...
Scientists build on case connecting inflammatory disease and depression
...s of thousands of hepatitis C patients are treated each
year with immunotherapy," Dantzer said. Immunotherapy involves the injections of cytokines, which are chemicals normally made by immune cells that boost the immune system to fight infectious pathogens and kill cancer cells. Unfortunately, immunother...
Location of potential familial lung cancer gene discovered
...hen compared the alleles (the different variations each
gene can take) of all affected and non-affected family members who were willing to participate in the study. The researchers found strong evidence that a lung cancer susceptibility gene or genes is co-inherited with a genetic marker on chromosome 6....
Double-segment periodicity underlies 'odd' segment generation in centipedes
...zed by a long body made up of individual segments, each
with its own pair of legs. Despite their familiarity, they actually represent a developmental mystery. The number of leg pairs in different centipede species varies between 15 and 191 pairs, but this number is always odd. This suggests that the range...
DNA tests point to extinction of 2 distinctive arctic bird populations
...igan males delay molting from their winter plumage each
spring: an unusual pattern in birds. When the snow melts away from the tundra, their white winter plumage stands out against the darker landscape, making them much more conspicuous to predators. (Female ptarmigan change to a mottled brown colour a mo...
Growing new breed of vaccine-producing plants to fight human diseases worldwide
...ases kill at least two million people in the world each
year, most of them children, Arntzen noted. Ongoing research is focused on development of minimal processing technology, adopted from the food industry, to yield uniform doses of heat-stable vaccine for oral delivery, Arntzen said. He pr...
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