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Tag: "hours" at biology news

Studies to find better ways to preserve human eggs, ovarian tissue under way

... better way to preserve eggs – which last about 24 hours outside the body without preservation – would reduce the cost and logistical issues of coordinating donor eggs. “The long-term goal is organ banking,” says Dr. Song, because even though there are insufficient numbers of donors for those on transpl...

Longer treatment benefits sleep apnea patients

...hat most patients should use CPAP for at least 7.5 hours each night to realize the greatest possible benefi...for example, patients used CPAP on average about 5 hours a night. The researchers found that although daytime sleepiness could be improved after 4 hours to 6...

Massive herds of animals found to still exist in Southern Sudan

...an 58,000 square miles (150,000 square km) and 150 hours of survey time, the team used a survey technique of flying systematically along transects making observations of all wildlife, livestock, human activities and habitat. Observers on each side of the aircraft counted animals that they observed between ...

Research finds that circadian rhythms dominate all life functions

...gical rhythms that cycle over a period of about 24 hours and regulate timing for most physiological functions and behaviors such as sleeping, eating and activity. As a checks-and-balances procedure, Ptitsyn analyzed the sets of data with several mathematical approaches to achieve the same results. The re...

Runners -- Let thirst be your guide

...s exercisers engaging in endurance activities of 4 hours in duration or longer. But “the average person who goes out for an hour or two of strenuous exercise is not going to be at risk for this,” he adds. Verbalis also says that sports drinks, which contain some sodium and potassium and carbohydrates, a...

Clot-dissolving agent may be beneficial in treatment of severe frostbite

...l blood flow on angiography received tPA within 24 hours of severe frostbite injury. These individuals were...eceive tPA, plus one who received tPA more than 24 hours after injury. Among the six patients who received tPA within 24 hours of injury, six of 59 (10 pe...

Gene therapy study shows safety and statistically significant improvement in Parkinson's disease

...tients were discharged from the hospital within 48 hours of the procedure. At one year, all 12 patients as a group demonstrated a clinical improvement of 25% in the Unified Parkinson’s disease Rating Scale (UPDRS) compared to baseline (p<0.005). Nine of the 12 patients showed an average of 37% and five...

Researchers use MRI to predict recovery after spinal cord injury

...ical recovery after SCI can be predicted within 48 hours after injury by rigorous assessment of MR images,"...idents. MRI exams were obtained within 24 to 48 hours of injury. The research team studied three measurable imaging parameters: maximum spinal cord compre...

Avian influenza survivors' antibodies effective at neutralising H5N1 strain

... was possible to administer the treatment up to 72 hours after infection. This is particularly important as people who have become infected with the virus do not tend to report to their local healthcare facilities until several days after the onset of illness." The antibodies were discovered in the labo...

NASA-funded robotic sub finds bottom of world's deepest sinkhole

...sly, without a tether or human guidance, for eight hours at a time. "The fact that we never lost it, never required a rescue mission, is an achievement itself," Wettergreen added....

An 'elegant' idea proves its worth 25 years later

...s sodium phenylacetate and sodium benzoate for two hours followed by "maintenance infusions" until blood ammonia levels were normal. The patients’ overall survival rate was 84 percent, and 96 percent survived episodes of severe ammonia poisoning. An estimated one in 40,000 live births is a child with a...

Machine preservation may promote more organ sharing

...the body for a longer period of time (a mean of 24 hours versus 19 hours for the cold stored organs), both groups of recipients had similar survival and functional outcomes....

Peramivir protects mice from lethal H5N1 infection

...ival rate was treating the infected mice within 24 hours after infection with H5N1 and continuing the treatment for eight days. In contrast, a single intramuscular injection resulted in a 40 percent survival rate, while two intramuscular injections increased the rate to 60 percent. The single intramuscular...

pHLIP, a novel technology to locate and treat tumors

...then specifically accumulate in tumors. Within 20 hours after injection of labeled pHLIP, the molecules had passed through the bloodstream and accumulated in mouse breast tumors grown to different “stages?on the leg of a mouse. The researchers demonstrated that by attaching fluorescent probes to a pHLI...

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

... recommend that adults get between seven and eight hours of sleep each night to maintain good health and optimum performance. Persons who think they might have a sleep disorder are urged to consult with their primary care physician, who will refer them to a sleep specialist....

Maggots rid patients of MRSA

... than surgeons - they are much cheaper and work 24 hours a day," Professor Boulton jokingly said. "They have been used since the Napoleonic Wars and in the American Civil War they found that those who survived were the ones with maggots in their wounds: they kept them clean. They remove the dead tissue ...

8 plants from South Africa may hold potential for treating high blood pressure

...he diastolic blood pressure in human patients 5-14 hours after the dose with no significant side effects. In addition, wild and cultivated garlic preparations were shown to decrease systolic blood pressure in rats. Conclusions In this study Tulbaghia violacea has shown properties related to loweri...

Anthrax paralyzes immune cells with lethal toxin, UF research shows

...est that would allow detection within two or three hours of the bugs entering the blood and secreting toxins." Once inhaled, anthrax releases a lethal toxin that immobilizes the white blood cells that normally seek and destroy invading bacteria. Just traces of the toxin can slow movement of these cells,...

Survival of the rarest: Fruit flies shed light on the evolution of behavior

...ar, Fitzpatrick sat in a darkened room for several hours a day counting glowing larvae under a microscope. The researchers found that when the fruit fly larvae were competing for food, those that did best had a version of the foraging gene that was rarest in a particular population. For example, rovers ...

Study offers clues to 'Broken Heart Syndrome'

...ws is that most patients who survived the first 48 hours had a steady recovery. Thirty one, or 78 percent, of patients had follow-up echocardiography within a few weeks. Heart function was found to be normal in 29 of 30. Dr. Regnante said that long-term follow-up will be critical to improved understand...

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