Tag: "removing" at biology news

Why have sex? The answer is not as simple as we thought

... be as simple as genetic recombination effectively removing harmful mutations from a genome....

Summit generates possible solutions to exchange of invasive species in Midwest waterways

...systems to 28 states. Annual costs associated with removing zebra mussels from water intakes and other structu...be a stretch along the canal where methods such as removing oxygen from the water or other technologies would eradicate aquatic life from the water; A fil...

Copper chelation is a promising new therapy for clogged arteries

...from reclogging following the mechanical stress of removing arterial obstructions through angioplasty. The therapy works by limiting the cellular export of growth factors and cytokines involved in this process. "This represents a major contribution to medical science," said Kenneth A. Ault, M.D., Director of...

Phage therapy could remove foodborne disease from livestock

... cellular damage," says Dyen. "Our work focuses on removing O157:H7 from the food chain."...

Molecule helps prevent inflammation and heart disease in fat-fed mice

...model to study the disease. The team expected that removing beta3 would prevent the development of atherosclerosis. But when they fed mice a high-fat diet akin to that of the typical American, 62 percent of the mice lacking both beta3 and apoE were dead within six weeks compared to only 4 percent of those lac...

UCR scientists modify existing chemical scrubber to environmentally friendly, all-natural filter

... the current limit of a technique for biologically removing hydrogen sulfide from sewage emissions a step further. Marc Deshusses, associate professor in the department of chemical and environmental engineering, and his postdoctoral researcher, David Gabriel, report in the Proceedings of the National Academy...

Researchers find viral protein that mimics its way into cells

...s the first time anyone had seen this effect after removing that gene." Seung-jae Kim, a graduate student in Lairmore's lab and first author on the journal paper, began comparing the structure of p12 with the millions of comb...

Gene therapy may be a cure for post-radical prostatectomy erectile dysfunction

... the early stages of prostate cancer by surgically removing the prostate gland and surrounding tissue. The procedure has a success rate of 70 to 85 percent. A high percentage of patients experience ED after the procedure due to injury to the peripheral nerves, including the cavernous nerve, located close to t...

A kindler, gentler cut for LASIK

...educes refractive error in the eye by reshaping or removing a portion of the cornea with an excimer laser. But before an excimer laser can be used, a thin flap in the cornea must be cut and folded away from the eye to provide better access to the tissue to be sculpted. Creation of this flap is one of the most...

Membrane separation technology produces myriad applications in numerous industries

...nologies are used in various applications, such as removing water from organics using hydrophilic membranes. The membrane-based process of pervaporation is also gaining importance and is commonly used for splitting azeotropes, despite competing technologies such as separation by distillation and extraction. "...

Virginia Tech inventions, creations can improve lives

...uent use. The invention improves the efficiency of removing water during the drainage period of the centrifugal filtration process, lowering the amount of the residual water left in the filter cake. Three wheat varieties and a new peanut received plant variety protection (PVP) and a new raspberry received a p...

Univ. of Pittsburgh Medical Center leads group buying PPL'S cloning, stem cell business

...he gene associated with hyperacute rejection, thus removing a major immune barrier between pig and human and making transplants from animals to humans more feasible. In January 2002, PPL announced the birth of pigs lacking one copy of this gene for the enzyme alpha1, 3 galactosyl transferase (alpha-gal), whic...

Ecosystem engineers

...omes and keep up maintenance of the structures. By removing these early leaf shelters on some trees and adding them to others, with and without caterpillars, Lill and Marquis measured how the presence of shelters affected the community of insects inhabiting each tree. Comparing these test subjects with natur...

Riparian birds can rebound after cows are gone

...f the study. Krueper and his colleagues found that removing the cows dramatically increased the vegetation in ...getting rid of the cows. "Our results suggest that removing cattle from riparian areas in the southwestern United States can have profound benefits for breeding...

Atomic force microscope powerful new tool for measurement of particle attraction

...the aim of someday developing improved filters for removing contaminants from solutions, such as bacteria from groundwater. She will present her research at the 225th American Chemical Society national meeting March 23-27 in New Orleans. In the past, scientists have used theoretical equations or bulk-scale co...

Horse owners should vaccinate horses, experts say

...ontrolling mosquitoes around horses (and homes) by removing unnecessary standing water, repairing leaking faucets and air conditioners, aerating ponds or stocking them with fish, stabling horses at dawn and dusk and using fans, screens and repellents such as DEET and permethrin....

Potential blood test for colon cancer risk

...opy of the IGF2 gene gets incorrectly activated by removing small methyl groups attached to certain areas of the gene, a process called hypomethylation. Investigators are hopeful, he says, that they can find drugs to reverse this process and potentially prevent cancer. Imprinting and methylation are two ele...

Researchers developing 'sentinel plants' to warn of bioterrorism

...xplosives in soil, which would aid in locating and removing land mines. "Land mines are leaky, and the soil around them contains products of TNT decomposition," says Schultz. "Engineering plants that can detect mines is of great interest, both to the military and to humanitarian groups." The technology also h...

WWII discovery may counter bioterrorists

...me to be known as BAL. The treatment is capable of removing heavy metals such as arsenic, copper, mercury and lead from the human body. After the war, BAL was put to clinical use by becoming the first successful treatment for Wilson's disease, a genetic disorder that causes the body to retain copper. If not t...

Vaccine technique shows potential against common form of lung cancer

.... The researchers created the melanoma vaccine by removing a portion of a patients tumor and using specially equipped viruses to insert a gene known as GM-CSF into the tumor cells. After being radiated and injected into the patient, the manipulated tumor cells began producing the granulocyte-macrophage colon...

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