Tag: "separation" at biology news
Common anti-inflammatory drug rescues low-growth fetuses in mouse study
... the uterine wall. In late pregnancy, they mediate separation
of the fetal and maternal blood supplies to set the stage for birth. Any future therapeutic strategy involving COX inhibitors to treat IUGR, therefore, would need to account for the necessary role of COX products in a normal pregnancy....
Hopkins reports new technology to unmask hidden gene mutations
...l and cardiovascular disease genes. The new gene separation
technology described in the Nature report is expected to be available this summer through Johns Hopkins in conjunction with genetic counseling and risk assessment for individuals with two types of inherited predisposition for colorectal cancer, whi...
New protein separation technology
...nly in trace amounts. A new liquid-phase protein separation
technology under development at the U-M could help..., proteins remain in a liquid phase throughout the separation
process. According to David Lubman, Ph.D., a U-M professor of chemistry, liquid phase has many adva...
Nanofabricated 'gel' separates DNA
...t barrier. The device also has advantages for the separation
of very long strands of DNA, the researchers said in their paper. Organic gels have a problem doing this, Han explains, because the strands must stretch out into a long, snakelike form to get through the pores of the gel, but then they never collapse...
New patent will help improve cancer, transplant research
... "We didn't invent magnetic cell separation
-- we're refining it," explain...applications for magnetic cell separation
wait to be explored. For instance, researchers have used magnetic separation
Penn State researchers unravel key facts about how a virus exits a host cell
...cruit the cellular machinery needed for virus cell separation
from the plasma membrane. The research shows an apparent correlation between L domains and ubiquitin. The simplest interpretation of the Penn State research is that budding requires ubiquitination of the RSV Gag protein....
USGS issues alert for deadly disease in birds
...cientists have determined the spaces are caused by separation
of the myelin layers that surround and protect the nerves. Affected birds may fly erratically or not be able to fly at all. They may crash land, swim tipped to one side with one or both legs or wings extended, or may be in the water on their back wi...
UC Berkeley chemists detail secrets of ionization, reasons behind water's central role in chemistry of life
...on the order of a trillionth of a second. Yet, the separation
of a proton - a hydrogen atom missing its one elec... molecules would exhibit this phenomenon of charge separation
at a given instant," Chandler said. "It sounds like a very rare occurrence, but this charge separati...
Competing fruit flies show evolution in action
...fferent habitat niches. Biologists think that this separation
into niches marks the beginning of the process of ...w species in the experiment. Biologists think that separation
into niches that tend not to interbreed marks the beginning of the process. Biologists have two bas...
Amoebas use "midwives" to reproduce
...fort. Sometimes the process of birth, the physical separation
from offspring, is so difficult that a mother need...le. This process usually continues until the final separation
into two cells. However, Weizmann Institute scientists found that in one type of amoeba, this separa...
Fly on a treadmill demonstrates super directional hearing
... fact that our ears are up to six inches apart, a separation
that allows for ample localization cues. Ormia's ears are a minuscule half millimeter apart, but it has evolved a system for localizing sounds very different from any other animal. These latest findings encourage us to continue development of a ...
A neurogenetic approach to alcoholism
...tween stress hormone activation, both during early separation
stress and detoxification, and serotonergic dysfunction. We also need to clarify the relationship between genetic disposition and an increased vulnerability of the serotonergic system to chronic alcohol intake."...
New finding accelerates discovery of disease genes and human population history
...migration and expansion out of Africaand after the separation
from Sub-Saharan African populationsno more than 50 individuals probably gave rise to most of the modern northern European gene pool....
Brain gene implicated in autism
...ps based on the SNP variant, they found a striking separation
of the linkage signal. In 24 families transmitting the associated SNP variant, the linkage signal increased from the original 2.7 to 3.7, providing strong support for linkage, while in the 26 other families, the linkage signal decreased to nearly 0. ...
What it means to be a mammal: New clues from tiny fossil described in Science
...e Hadrocodium , these species don't show complete separation
of the middle ear bones from the jaw. What mak...hat Hadrocodium represents the final step in the separation
between the middle ear and the mandible," says Luo. Hadrocodium 's big brain isn't simply a ma...
New effort to increase coal production announced
...nmentally acceptable manner by developing advanced separation
technologies. These technologies can be used to se...move impurities from mineral concentrates. Various separation
processes are currently used in the mining industry, but they need improvement, particularly for pro...
Electronic tags reveal transatlantic migrations and breeding grounds of Atlantic bluefin tuna
...esting a mixing of stocks on feeding grounds and a separation
to distinct breeding localities. Future assessment of stock status should evaluate the new information and reassess the management strategies applied to Atlantic bluefin tuna." "From the data, its clear there are two breeding populations of bluefin t...
New Knox company has big plans for ORNL technology
...ns and other molecules. The technology, a chemical separation
method and device called the Molecular Comb, has n...and preliminary results show that excellent sample separation
can be achieved within seconds. Witkowski believes this technique will cause a paradigm shift in the...
Rafting rodents from Africa may have been ancestors of South American species
... ancestry to the exclusion of the gorilla, and the separation
between humans and chimpanzees was no greater than six million years. That finding sent the entire palentological community in a tailspin because it was so counter to what they had been proposing. Though molecular evolutionary biology is providing u...
Agrobacterium genome sequence is complete
...sin, Sinorhizobium meliloti, will let us study the separation
of closely related organisms into divergent pathogenic and symbiotic lifestyles. A. tumefaciens is a natural genetic engineer that transfers selected genes into plant cells during the disease process, causing plants to synthesize compounds useful to...
1 2 3 4 5