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Tag: "minor" at biology news

Now, self-healing materials can mimic human skin, healing again and again

...he vascular nature of this new supply system means minor damage to the same location can be healed repeatedly,” said Sottos, who also is a researcher at the university’s Beckman Institute. In the researchers’ original approach, self-healing materials consisted of a microencapsulated healing agent and a c...

Genetic factors are linked to fever following smallpox vaccination

...y discovering ways to further reduce the chance of minor adverse events.” In an accompanying editorial, James E. Crowe Jr., MD, of Vanderbilt University Medical Center, echoes Dr. Stanley’s sentiments that the findings represent an important preliminary step in understanding the variations in host res...

Warning from Asian bees

... “In the big scheme of things, honey's a bit of a minor product, really,” NSW Department of Primary Industries apiarist Dr Doug Somerville said. “Roughly one-third of the food we eat relates back to bee pollinated crops, so most of the benefits of honeybees actually come from pollinations. “About 90...

Puzzling plankton yield secrets to role in evolution/global photosynthesis

...ecade as these microalgae, although representing a minor component of the plankton, nevertheless play major roles in oceanic biomass production. "With even more picoplankton genomes in the sequencing queue at DOE JGI, we’re positioned to secure a better grasp on the mechanisms of species adaptation and ...

High-dose anticlotting drug cuts heart attack, death risk in half

... no statistically significant increase in major or minor bleeding (p=0.55 and p=0.98, respectively). Findings remained the same when the analysis was restricted to 7 randomized controlled trials only. Further analysis showed that the higher the underlying risk of complications related to blood clotting, th...

Research says boiling broccoli ruins its anti-cancer properties

...gerator showed no significant difference with only minor loss of glucosinolate levels over 7 days. Howe...preparation of Brassica vegetables had caused only minor reductions in glucosinolate except when they were shredded finely which showed a marked decline of g...

Herpes infection may be symbiotic, help beat back some bacteria

...ses plague, and Listeria monocytogenes, which is a minor cause of food poisoning and can infect the central nervous system. Many aspects of Listeria infection in mice are also similar to those that occur in humans infected with tuberculsis. They found that when mice had a latent herpes infection, the bacte...

Scientists seek useful traits in wild cottons

...arieties are flexible enough genetically to handle minor changes but lack enough diversity for really spectacular change. Aside from limiting fiber quality and yield potential, narrow genetics makes them more susceptible to insects and disease." Gannaway and other scientists believe future progres...

Hives ferment a yeasty brew, attract beetle pest

... hive. In Africa, where the small hive beetle is a minor honeybee pest, bees quickly isolate an invading beetle, but domesticated European honeybees are not as diligent in cleaning their hives. The beetles are also aided in their invasion by a yeast that naturally occurs on pollen and produces, as a fermen...

Elderly spinal cord injuries increase five-fold in 30 years, Jefferson neurosurgeons find

...and propensity for these patients to have SCI with minor trauma," Dr. Harrop noted. "Falls continue to be the predominant mechanism for geriatric spinal cord injuries with 74 percent of geriatric injuries resulting from a fall in this series." Geriatric patients also appear prone to traumatic spinal...

Ultrasound upgrade produces images that work like 3-D movies

...D scanners could be modified in this way with only minor software changes." The new imaging capability can improve the early diagnosis of certain kinds of birth defects of the face and skull and improve surgeons' depth perception during ultrasound-guided medical procedures, including tumor biopsies and ...

Novel computed imaging technique uses blurry images to enhance view

...ique can be applied to existing hardware with only minor modifications....

Circumcision: A proven strategy to prevent HIV

...Bailey, in 1.7 percent of the surgeries there were minor complications -- usually bleeding or a mild infection. There were no severe adverse events. Bailey cautions that circumcised men may feel they are protected from becoming HIV infected and may be more likely to engage in risky behavior. "Circumc...

Microbes compete with animals for food by making it stink

...stem. Microbes are often omitted or relegated to a minor role in food web diagrams, but they should be depicted as direct competitors with larger animals, he said. ...

How fish mend a broken heart

...st in the course of normal organ function or after minor injury but cannot regenerate after major damage or removal of structures. "It is believed that the capacity for regeneration is an ancestral condition that has occasionally been lost in the course of vertebrate evolution." Poss said. "Thus, most bi...

Penn researcher shows that DNA gets kinky easily at the nanoscale

...ording to Nelson, such processes were considered a minor mystery of nature, in part because researchers didn't have the tools of nanotechnology to examine molecules in such fine detail. "Common sense and physics seemed to tell us that DNA just shouldn't spontaneously bend into such tight structures, ye...

The power of one: A simpler, cheaper method for cell fusion

...s are engineered to bond to one another by using a minor chemical treatment. Cells are first placed in an aqueous chamber within the chip, where they pair off. In contact with one another but not yet fused, the cells flow towards the only exit, which is a miniscule gap that channels electricity from one po...

Rescuing injured hearts by enhancing regeneration

...n progressive damage to their hearts from repeated minor infarctions. In this study, rats were treated soon after injury. Second is the need to develop a safe delivery method. Because FGF1 stimulates angiogenesis, it has the potential for serious side effects if it goes to places other than the heart, p...

New sunscreen ingredient to heal sunburn and help prevent skin cancer

... and after 3pm. "UVA was once thought to have a minor effect on skin damage, but now it is considered to be a major contributor as it penetrates deeper into the skin than UVB. "It is overexposure to UVA that causes the redness and inflammation, or erythema, associated with sunburn. "The UVA compon...

Mayo discovers protein as potential tactic to prevent tumors

...proteins leading to apoptosis. "If the cell has minor alterations in the DNA code that can be repaired, those repairs are made," says first author Haojie Huang, Ph.D. "If the genetic message cannot be repaired, our studies show that CDK2 can initiate the steps necessary for cells to order the production...

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