slow in Biological News

New supplement may help slow sight loss in elderly

Queen's University Belfast academics have helped develop an antioxidant supplement which may slow down sight loss in elderly people. The supplement may help those affected by the leading cause of blindness in the Western World, a five-year research programme has found. Professor Usha Chakravar...

Following the dietary guidelines may slow heart disease in women

The Dietary Guidelines for Americans (DGA) provide guidance to promote health and reduce risk of chronic diseases. However, what evidence is there that following the DGA optimizes health? Is this advice useful for individuals already in poor health? To study these questions, researchers at the USD...

When evolution is not so slow and gradual

What's the secret to surviving during times of environmental change? Evolvequickly. A new article in The American Naturalist finds that guppy populations introduced into new habitats developed new and advantageous traits in just a few years. This is one of only a few studies to look at adapta...

'Fish technology' draws renewable energy from slow water currents

ANN ARBOR, Mich.---Slow-moving ocean and river currents could be a new, reliable and affordable alternative energy source. A University of Michigan engineer has made a machine that works like a fish to turn potentially destructive vibrations in fluid flows into clean, renewable power. The machi...

Dried mushrooms slow climate warming in Northern forests

Irvine, Calif. The fight against climate warming has an unexpected ally in mushrooms growing in dry spruce forests covering Alaska, Canada, Scandinavia and other northern regions, a new UC Irvine study finds. When soil in these forests is warmed, fungi that feed on dead plant material dry out ...

Discovery of natural compounds that could slow blood vessel growth

Using computer models and live cell experiments, biomedical engineers at the Johns Hopkins University School of Medicine have discovered more than 100 human protein fragments that can slow or stop the growth of cells that make up new blood vessels. Reporting online last week in the Proceeding...

Scientists suspect omega-3 fatty acids could slow acute wound healing

COLUMBUS, Ohio A recent study shows that popular fish oil supplements have an effect on the healing process of small, acute wounds in human skin. But whether that effect is detrimental, as researchers initially suspected, remains a mystery. The omega-3 fatty acids found in fish oils are widely...

Weekends slow weight loss, researchers find

Saturday can be the worst enemy for our waistlines, according to researchers at Washington University School of Medicine in St. Louis. They found that study subjects on strict diet and exercise programs tend to lose weight more slowly than expected because they eat more on weekends than during ...

Pathway found that lets mosquitoes fatten up, slow down for winter

COLUMBUS, Ohio Two genes that help insulin regulate mosquitoes growth have been identified as key contributors to how the insects enter a dormant state to survive winters cold. The research finding broadens the understanding of the mosquito life cycle and appears to shed some light on how oth...

Paracetamol, one of most used analgesics, could slow down bone growth

In Medicine, paracetamol is used to soothe every kind of pain, from simple molar pain to pain produced by bone fractures. This medicine is one of the most used nowadays. However, research carried out at the Departamento de Enfermeria of the University of Granada showed that taking paracetamol ...

Chronic fatigue syndrome impairs a person's slow wave activity during sleep

Chronic fatigue syndrome (CFS) has been associated with altered amounts of slow wave sleep, which could reflect reduced electroencephalograph (EEG) activity and impaired sleep regulation. A study published in the May 1st issue of the journal SLEEP finds that CFS is also associated with a blunted s...

Fast and slow -- How the spinal cord controls the speed of movement

Using a state-of-the-art technique to map neurons in the spinal cord of a larval zebrafish, Cornell University scientists have found a surprising pattern of activity that regulates the speed of the fish’s movement. The research may have long-term implications for treating injured human spinal cords...

Proteins important in Alzheimer's, Parkinson's disease travel in the slow lane

Using a novel video-imaging system, researchers at the University of Pennsylvania School of Medicine have been able to observe proteins important in Alzheimer’s and Parkinson’s disease moving along axons, extensions of nerve cells that carry proteins away from the cell body. Understanding this proc...

To slow AIDS in Russia, treat HIV-positive addicts, Stanford study says

The key to combating AIDS in Russia may be to treat HIV-infected drug users. A new model estimating the spread of HIV in Russia suggests that treating injection drug users with antiretroviral medication will slow transmission of the virus among the general population. The study, which will ap...

The hepatitis healing power of blueberry leaves

...nd colleagues believed that since HCV is localized in the liver and can take 20 years or more to develop into disease, a dietary supplement might help slow or stop disease progression. So they screened nearly 300 different agricultural products for potential compounds that suppress HCV replication and unc...

Protein handlers should be effective treatment target for cancer and Alzheimer's

...rotein is a major component of the destructive brain plaque that is the disease's hallmark. Dr. Mivechi believes molecular chaperones, which typically slow in activity with age, are failing at their job so that proteins aggregate in the brain, contributing to Alzheimer's and other neurodegenerative diseas...

Symposium to discuss geoengineering to fight climate change at the ESA Annual Meeting

... Geoengineering techniques aim to slow global warming through the use of human-made changes to the Earth's land, seas or atmosphere. But new research shows that the use of geoengineering to...

Understanding how weeds are resistant to herbicides

... and how resistance evolves. "If you understand how it evolves, that can help you devise strategies that cannot prevent it from evolving, but at least slow the rate at which it happens," said Tranel. "If you use the same herbicide year after year, you're exerting selection pressure -- you're selecting ...

Urban water ecology at the ESA annual meeting

...d national scale. Francis' research also showed that trout in developed lakes had a 50 percent lower daily intake of energy. Lower energy intake can slow growth and compromise fish reproduction, she says, which will ultimately lead to population declines. But she emphasizes that even a small amount of s...

New hope for fisheries

...fe Conservation Society in Kenya. "We know that more fish can be harvested with less fishing effort and less impact on the environment, if we first slow down and allow overfished populations to rebuild," adds co-author Jeremy Collie from the University of Rhode Island. "Scientists and managers in place...

Large trees declining in Yosemite

... seed source for the surrounding landscape. Large-diameter trees generally resist fire more than small-diameter trees, so fewer large trees could also slow forest regeneration after fires. "Although this study did not investigate the causes of decline, climate change is a likely contributor to these ...

Nanodiamonds deliver insulin for wound healing

...Center of Northwestern University.) In addition to using the nanodiamonds in their particle form, Ho's group has developed devices that harness the slow drug-release capabilities of the nanodiamonds. More recently, his team has shown that nanodiamonds are effective in dispersing insoluble drugs in wate...

Knee injuries may start with strain on the brain, not the muscles

...'s analogous to how a seasoned stick shift driver versus a novice learner might both respond to a sudden stall. The inexperienced driver might make a slow or even incorrect decision. ...

Iowa State University researchers develop process for 'surgical' genetic changes

...sity of Minnesota. In addition to the difficulty introducing changes where researchers want them using current methods, government regulations often slow the movement of research from the lab to the field. Wright and Townsend hope the precision of this technique will speed the regulatory process. "I...

A 'heart healthy' diet and ongoing, moderate physical activity may protect against cognitive decline

... we can confidently say how much of these foods to include in your diet to experience some benefit." Maintaining or Increasing Activity Levels May slow Cognitive Decline in Elderly Studies have found that older adults who are physically active may experience slower rates of cognitive decline. Less i...

Results from trials of DHA in Alzheimer's disease and age-related cognitive decline

...red to increase brain DHA levels, based on a measured increase of DHA in study participants' cerebrospinal fluid (CSF). However, DHA treatment did not slow the rate of change on tests of mental function (ADAS-cog), global dementia severity status (CDR-SOB), activities of daily living (ADL), or behavioral ...

Laboring without the labor bed: It's a good thing

..., clinical bed and adding relaxation-promoting equipment had a 28 per cent drop in infusions of artificial oxcytocin, a powerful drug used to advance slow labours. The study, called PLACE (Pregnant and Labouring in an Ambient Clinical Environment) was published in the current edition of the journal ...

OJ worse for teeth than whitening says Eastman Institute researchers

...ents. "We do not yet have an effective tool to avert the erosive effects, although there are early indications that higher levels of fluoride may help slow down the erosion." A Texas-based company, Beyond Dental and Health, sponsored the trial in part by providing the 6 percent hydrogen peroxide. I...

Ovarian transplantation: New technique gives greatly improved results in this delicate operation

... Tissue was preserved either by rapid cooling vitrification or by classical slow freezing methods. "We found that 91.9% of the fresh oocytes were viable compared with 88.9% of those vitrified. However, slow freezing resulted in a 56% loss of viability", said Dr. Silber. Transpla...

First riser-drilling research operations undertaken

...the most challenging tasks in ocean-drilling history. The average speed of the Kuroshio current in the surveyed area is about 1.0 knots, relatively slow for the current speed usually observed in the Kumano Basin. Yet, fairings are to be mounted onto to a riser pipe to smooth the hydrodynamic flow behin...

Dolphins get a lift from delta wing technology

...f Experimental Biology at http://jeb.biologists.org . Using Computer tomography scanning of the fins of seven different species ranging from the slow swimming Amazon River dolphin and pygmy sperm whale to the super-fast striped dolphin, the team made scaled models of the flippers of each species. Th...

Study on keeping nuclear bombs from US ports shows misplaced fear over cargo scanning cost

...up to six-high. Targeted containers must then be moved to an inspection facility where their contents are scanned using sensitive equipment. This is a slow process that involves sophisticated tools and specialized training that only support limited throughput. Consequently, there would be major delays ass...

Athletes, spectators faced unprecedented air pollution at 2008 Olympic Games

...t to be more valuable in addressing this concern than major programs by the Chinese government to heavily restrict automobile use, close factories and slow construction during and before the Olympic games. These findings are among the final results just published in Environmental Science and Technolog...

Green tea may affect prostate cancer progression

...on. "The investigational agent used in the trial, Polyphenon E (provided by Polyphenon Pharma) may have the potential to lower the incidence and slow the progression of prostate cancer," said James A. Cardelli, Ph.D., professor and director of basic and translational research in the Feist-Weiller Ca...

Discovery of a water snake that startles fish in a way that makes them flee into its jaws

...his particular predator-prey interaction with the aid of a high-speed video camera. When he began examining the movements of the snake and its prey in slow motion, he saw something peculiar. When the fish that the snake targets turn to flee, most of them turn toward the snake's head and many literally swi...

Discovery of the cell's water gate may lead to new cancer drugs

...of the yeast aquaporin that we have determined can be used to create inhibitors for human aquaporins, and this may in the long term lead to drugs that slow the growth of a cancer tumour", says Karin Lindkvist. ...

Major breakthrough in early detection and prevention of AMD

...he inner surface of the eyeball. "Once the vessels invade the retina, the horse has already left the barn," Ambati said. "At that point, drugs can slow the process, but irreparable damage has often already been done. This is why finding a means for early detection and intervention is so important." ...

The downside of microtubule stability

... ( www.jcb.org ). A mutant protein makes the microtubules too stable to perform their jobs, the researchers find. The mutations behind CMT disease slow nerve impulses, reduce their strength, or both. One of these mutations leads to production of faulty dynamin 2, a protein that is crucial for endocyto...

American Chemical Society weekly presspac -- June 10, 2009

...g various stages of kidney disease," they said, noting that the tests could detect patients with early disease who could be treated in ways that could slow its progression. ARTICLE #2 FOR IMMEDIATE RELEASE "Sniffing Chronic Renal Failure in Rat Model by an Array of Random Networks of Single-Walled Car...

Huntington's disease deciphered

...ntain cell health." Brady's group has also linked this pattern of progressive neurodegeneration -- marked by a loss of signaling between neurons, a slow dying back of neurons, and eventual neuron death -- to damage to the transport system in several other hereditary adult-onset neurodegenerative diseas...