Tag: "constant" at biology news

Unearthing explanations for New Madrid earthquakes

... of the heavy pressure of the ice sheet. It is the constant release of this pressure that causes earthquakes in New Madrid, he explained. Zoback's model predicts that earthquakes could continue to occur in the region for the next few thousand years. Because a major earthquake could strike the area, Zoback sai...

Researcher tackles complexities of obesity, diabetes and their age-related complications

... food intake was maintained in amounts to assure a constant healthy body weight were not only healthier; on the average they lived longer than their counterparts who ate as much as they wanted. "Our studies have unequivocally demonstrated that if you prevent excess fat deposits in the body through excess calo...

Humans making wildlife sick

...o move beyond seeing "special cases" to seeing the constant role that people play. "The way that people often think about emerging infectious diseases is that there are just a lot of special cases. That this happened here and that happened there, without any commonalties," notes Dr. Lewis. "But there's a grow...

Study reveals dramatic metabolic differences in how adults, infants and children process drugs

... adult values by age one. In contrast, SULT1A1 is constant throughout fetal development with no postnatal changes, while SULT1E1 levels are highest during the first trimester (five times the median adult level), and decline steadily through gestation and after birth....

How sperm crack the whip

... properties for study. However, said Clapham, the constant wriggling of spermatozoa, as well as the way their tough membranes stretch tightly stretched over underlying structures, made the cells incompatible with this research technique. "Back in 2001, we made more than a thousand attempts to patch clamp sp...

Researchers alleviate symptoms of Rett syndrome in mice

...s loss of speech, loss of voluntary motor control, constant hand wringing and seizures. In March 2001, resear..., in effect ensuring that it remains in a state of constant activity. In other words, while MeCP2 was permanently shut off, the new Bdnf was permanently switche...

Research shows brain's ability to overcome pain and thirst

...ain. Although the level of thumb pressure remained constant throughout the tests, as people became thirstier, they felt more pain. Dr Farrell said the regions of the brain (the pregenual cingulate cortex and ventral orbitofrontal cortex) activated together during thirst and pain acted like a priority switch. ...

GlycoFi announces the first production of antibodies with human glycosylation in yeast

...nt of immune system "effector" cells that bind the constant domain of the antibody and destroy the cancer cell...osition of sugars (or "glycans") in the antibody's constant region. Moreover, in the absence of these sugars, the antibodies can bind to antigens but do not eli...

Researchers at Barrow Neurological Institute resolve 40-year eye movement, visibility controversy

...tional eye movements. These movements cause nearly constant stimulation of the retina. "If our eye was perfectly still during fixation, the world would quickly fade from view due to the fact that the neurons in our eyes and brain quickly adapt to non-changing stimulation," said lead researcher Dr. Susana Mart...

Darkness unveils vital metabolic fuel switch between sugar and fat

...hate (5'-AMP) as the key molecular mediator of the constant darkness effect, switching mice from a glucose-bur...dian response. All four genotypes of mouse kept in constant darkness had mClps expressed not only in their livers but in all peripheral tissue except the brain ...

Turn down that radio! Years of loud noise may lead to tumor

... with balance. Symptoms include hearing loss and a constant ringing in the ears, or tinnitus. The study is currently in the online advance access edition of the American Journal of Epidemiology. The study will also appear in the February 15 printed edition of the same journal. Edwards and his colleagues gathe...

Unified physics theory explains animals' running, flying and swimming

...g to running. The theory shows that, to maintain a constant speed, runners and fliers alike must expend energy to account for two mechanisms of work destruction -- that which is destroyed at each jump and landing, or with each rise and fall in the air; and that lost to friction against the ground or air. "To ...

Scientists lift malaria's cloak of invisibility

... this a lot of people think you need five years of constant exposure to malaria in its different disguises to gain immunity." Many children do not survive malaria long enough to develop immunity. And without continuous exposure, hard-won immunity may disappear. For example, adults in Papua New Guinea who mov...

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

...s were formed not by a lake that evaporated but by constant strikes from meteorites, say two Arizona State University geologists. The site where the Mars Exploration Rover Opportunity landed has sediments and layered structures that are thought to be formed by the evaporation of an acidic salty sea. The prev...

Bats use touch receptors on wings to fly, catch prey, study finds

...ing out of the air. These receptor cells give bats constant feedback about their wing positions," said Zook, who has studied bats for more than 30 years, focusing on echolocation and the bat auditory system. The bat's sense of touch has been a side interest since the early 1980s. To test his hypothesis, Zook...

Langerhans cells regulate immune reactions in the skin

...s peacekeepers with the environment, which poses a constant challenge to skin. Most such challenges are not dangerous and do not warrant an immune response." Langerhans cells may function generally to prevent excessive responses in the skin. "Failure of this mechanism could result in chronic inflammatory skin...

Major study links chronic noise exposure to risk of heart attacks

...ng at a threshold at which risk occurs and remains constant above this, and this appears to be around 60 decibels," said Dr Willich. Sixty decibels is the level of noise typically experienced, for example, in a busy large office. The findings were consistent with a hypothesis that there is an association betw...

Unexpected function for a key regulator of blood glucose levels

...ucose circulating in our bloodstream, to provide a constant and readily available energy supply for the cells in our body. Right after a meal, when nutrient levels in the blood are high, the pancreas releases insulin, which tells muscle and liver cells to squirrel away glucose for later use. In addition, insu...

Continued reduction in the number of drug-related deaths in the UK

...ver, there is the need for continued vigilance and constant monitoring of the drug-related deaths situation to ensure that the trend continues to decline and lives are saved. I would like to thank the Department of Health for their support for this very important Programme". Baroness Cumberlege, Chair of the ...

Advisory Committee on Immunization Practices recommends hepatitis A vaccination for children

...e-preventable diseases, like hepatitis A, requires constant vigilance. This ACIP recommendation is an important step in reducing the incidence of hepatitis A disease in the U.S." Children play an important role in hepatitis A transmission. Therefore, expanding childhood vaccination recommendations can be an...

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(Date:5/21/2013)... researchers have developed a new method for delivering ... in the cell surface. The technique could find ... biological fields. , Bulk electroporation a technique ... nanopores in the cell membrane that are caused ... an increasingly popular method of cell transfection. (Cell ...
(Date:5/21/2013)... the University of Illinois at Chicago College of Medicine will ... fat -- its main energy source -- and how changes ... a new $2 million, 4-year grant from the National Heart, ... how it uses fuel for energy. These changes may play ... are different in men and women, says E. Douglas Lewandowski, ...
(Date:5/21/2013)... gathering of biomass experts , Where? ... When? 03-07 June 2013 , ... resource assessment, market and policy developments, manufacturing and installation, ... and benefiting from its 2013 edition from a record ... 60 countries, more than 240 plenary and oral presentations, ...
Breaking Biology News(10 mins):Single-cell transfection tool enables added control for biological studies 2Do men's and women's hearts burn fuel differently? 221st European Biomass Conference and Exhibition 221st European Biomass Conference and Exhibition 321st European Biomass Conference and Exhibition 4
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