Tag: "improves" at biology news

PNNL recognized for commercializing technologies

...-developed Electrodynamic Ion Funnel significantly improves the sensitivity of analytical instruments such as mass spectrometers by improving the focusing and transmission of gaseous ions. Sensitivity is a key measure of the analytical value of a mass spectrometer. Enhanced sensitivity allows, for example, th...

New approach limits damage after heart attack and improves survival, say Scripps Research scientists

... significantly prevents long-term heart damage and improves survival. "Immediately following a heart attack, blood vessels near the site of injury become leaky, causing fluid accumulation in the healthy area of the heart surrounding the injured site," says Immunology Professor David A. Cheresh, Ph.D., who l...

Is a single bout of exercise helpful or harmful in getting a good night's sleep?

...as demonstrated that, in general, quality of sleep improves after regular physical exercise. However, a number of factors such as the particular exercise training routines and various individual subjective characteristics complicate this overall conclusion. Army researchers set out to quantify the quality an...

Bye-bye Bio 101: Teach science the way you do science

...aging students in discovery and scientific process improves learning and retention of knowledge," writes lead author Jo Handelsman, Howard Hughes Medical Institute professor and plant pathology researcher at the University of Wisconsin-Madison, in a policy forum article published in the April 23, 2004, issue ...

Taxanes may enhance immunity in breast cancer patients

... "The real question is whether the use of taxanes improves patient outcomes or quality of life," says Carson. A study to assess that is already underway at Ohio State. Support for the study came from the National Cancer Institute, the American Cancer Society, Longaberger Company American Cancer Society Gra...

Ritalin may improve Parkinson's symptoms, OHSU study says

...he study's findings do more than show that Ritalin improves patients' responses to levodopa, Nutt said. They confirm the importance of the dopamine transporter, the system through which dopamine is reabsorbed into nerve cells, and shows that the transporter may be a target for other levodopa-boosting drugs. "...

Combination therapy dramatically improves function after spinal cord injury in rats

...ed cells plus two experimental drugs significantly improves function in paralyzed rats, a new study shows. Th...atty substance that insulates the nerve fibers and improves transmission of signals. The treated rats also grew back many more nerve fibers than untreated rats...

Pharmacogenomics could replace 'trial-and-error' with science from the human genome

...vidualized drug therapy based on genetics actually improves outcomes. Such trials could be complicated by several factors: multiple genes might influence patient response to the drug; there might be interaction with other drugs given simultaneously; and the seriousness or rate of progression of the disease as...

Obesity and hypertension: Two epidemics or one?

...ter risk of congestive heart failure. Weight loss improves systolic and diastolic function and reduces left ventricular mass. The severity, duration, and type (visceral vs. subcutaneous) of obesity also appear to be important determinants of the cardiac dysfunction and left ventricular hypertrophy observed ...

Trapping carbon in soil key for protecting global food security, dealing with climate change

... carbon dioxide enters the atmosphere, and it also improves and sustains soil productivity." But soil has a fi...ses productivity, restores degraded ecosystems and improves water quality. It is truly a win-win option. "Soil carbon sequestration is a natural, cost-effective...

Chemical Society announces EPA awards for environmentally friendly technology

...ew process using plant cell cultures saves energy, improves worker safety and eliminates tons of waste. Buckman Laboratories International, Inc. (Memphis, Tenn.) Recycling can be a sticky business when lingering adhesives on envelopes, magazine binding and other materials gum up the machines used by paper ...

Endurance exercise found to be equally effective as diuretics in improving cardiac health

...odeling and LVH. Since endurance exercise training improves increased levels of insulin in the plasma and insulin resistance it is possible that the benefits leading to increase in cardiac health may occur because insulin is a stimulus for the development of an enlarged heart. What is not clear is whether ex...

Maternal DHA levels plays important role in infant development

...mulas. Some research indicates this postnatal DHA improves vision and some cognitive functions in infants and toddlers, although the evidence is mixed. In this study, we measured DHA levels in mothers' blood when their infants were born. We then followed those infants for the first two years of their life, ...

Common therapy for HIV associated with cervical abnormality regression

...ether the boost in immune status afforded by HAART improves the regression rates of SIL. Linda Ahdieh-Grant, Ph.D., of Johns Hopkins Bloomberg School of Public Health in Baltimore, and colleagues analyzed data from the Women's Interagency HIV Study to examine the long-term effects of HAART on the regression ...

Misfiring proteins tied to inflammation and sick feeling of type 2 diabetics

..., which now is used to reduce blood sugar content, improves insulin signaling and insulin-dependent glucose uptake in skeletal muscle in mice and speeds recovery from lipopolysaccharide-induced sickness behavior. Freund theorizes that combining vanadyl sulfate with rapamycin, a drug used to lower the risk of ...

Study: A little help from friends makes wounds heal faster

...e physiological mechanisms by which social support improves health." She and her colleagues also treated a group of socially isolated hamsters with oxytocin, a hormone released during social contact and associated with social bonding in monogamous animals. Oxytocin treatment seemed to ameliorate the effec...

Nucleic acid-amplification testing further safeguards nation's blood supply

...re the safety of the blood supply. "NAT not only improves the safety of our already safe blood supply, but the technology can be quickly adapted to screen for emerging viruses," said George Nemo, Ph.D., project officer of the study and group leader of the Transfusion Medicine and Cell Therapies Scientific R...

Improved nutrition could reduce malaria burden worldwide

...romise a child's ability to fight infection. Zinc improves growth and enhances the body's ability to respond to infection, and vitamin A plays an essential role in the immune response and is believed to be necessary for host resistance to malaria. Researchers stress that strategies to reduce the global mal...

Innovative 'ceramic-on-metal' hip replacements to undergo clinical trials

...bust. This latest 'ceramic-on-metal' joint further improves on 'metal-on-metal' as it generates ten times less...aged throughout the lifetime of the joint and this improves the joint lubrication process, reducing friction and wear. The research team use a unique 'Hip Simul...

Genetically-engineered 'marathon mouse' keeps on running

...ng not only changes muscle fiber content, but also improves circulation and the motor neuron innervation into those muscles. Training also reengineers the heart to allow it to pump a greater volume of blood. "So, it was not at all obvious that changing one gene in muscle would lead to coordinated changes thr...

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