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Tag: "volunteers" at biology news

UK sperm donor crisis

... at LIFE to call for urgent action to attract more volunteers ?particularly from among older men ?and for fears over the release of donor information to be allayed. The results of the study of over 1,100 potential donors who applied between 1994 and 2003 to the Newcastle centre are published on-line (Thursday ...

New book highlights world's borderless conservation areas

...dre President Patricio Robles Gil and CI staff and volunteers including Christina G. Mittermeier, Cyril Kormos, Trevor Sandwith, and Charles Besan�on edited the book. CI Chairman and CEO Peter A. Seligmann wrote the foreword, and the preface is by Valli Moosa, president of IUCN�The World Conservation Union. ...

Study Unlocks Insects?Secret for Love in the Dark

...esponse to Injury glue grant team injected healthy volunteers with bacterial endotoxin. This molecule causes bod... genes from these cells, which were taken from the volunteers at regular intervals over 24 hours. Because this research plots the course of the inflammatory respo...

Study reveals genomics of inflammation from severe injury

...esponse to Injury glue grant team injected healthy volunteers with bacterial endotoxin. This molecule causes bod... genes from these cells, which were taken from the volunteers at regular intervals over 24 hours. Because this research plots the course of the inflammatory respo...

UK is first to administer new anti-clotting technology

...mine the drug's safety and tolerability in healthy volunteers as well as the antidote's ability to quickly reverse its effects. Although other new antithrombotics are undergoing testing in the U.S., this drug is believed to be the first of its kind. "This class of drugs is a very promising technology that allo...

Agricultural workers at increased risk for infection with animal flu viruses

...eterinarians. The fourth control group included 79 volunteers from the University of Iowa with no occupational pig exposure. The researchers tested the serum samples for antibodies to several then-current swine and human influenza A viruses. The results showed that all three occupational study groups had mark...

Researchers use brain scans to predict behavior

By peering into the minds of volunteers preparing to play a brief visual game, neuroscient... St. Louis have found they can predict whether the volunteers will succeed or fail at the game. "Before we present the task, we can use brain activity to predic...

Volunteers sought for avian flu vaccine study

Vanderbilt University Medical Center is enrolling volunteers in a study to test a new vaccine that targets avian flu, the first such vaccine against the virus. The Vanderbilt trial, led by Kathryn Edwards, M.D., will test the new vaccine in nearly 100 individuals 65 years of age and over. It is the second phas...

Color perception is not in the eye of the beholder: It's in the brain

...iscrepancy was more than a 40:1 ratio, yet all the volunteers were apparently seeing the same color yellow. "Th...ation between retinas. Early tests on the original volunteers showed no simple connection among certain genes and the number and diversity of color cones, but Wil...

Out of sight, out of mind? Not necessarily

...ndness lasting only a fraction of a second in nine volunteers with normal vision. Transcranial magnetic stimulat...ees - to interrupt the normal visual pathway. The volunteers looked at a computer screen, and during their momentary blindness, either a horizontal or a vertical...

Survey Uncovers Surprising Attitudes Towards HIV Vaccine Research

...mmune Deficiency Syndromes. “Tens of thousands of volunteers are required for the more than 30 HIV vaccine clin...s essential that current and future trials involve volunteers from diverse communities to enable us to find a vaccine that works for all populations.?/p> “It ...

Women feel more pain than men, research shows

...based on several studies into the pain response of volunteers exposed to a pain stimulus, such as a cold water b...ve." To carry out this research, scientists asked volunteers to place their non-dominant arm in a warm water bath (37 degrees centigrade) for two minutes before ...

Virtual animal shelters ?How the Internet is transforming the experience of pet adoptions

...n animal shelter. "Because the rescue members and volunteers can easily communicate with each other, coordinate their efforts and arrange adoption events and meetings between potential adopters and those fostering dogs in their homes, the Internet enables these organizations to function as a shelter without ha...

Scientists uncover new clues about brain function in human behavior

...0, 2005. The study compared the brains of healthy volunteers to those with a genetic abnormality, Williams Synd...cipants with Williams Syndrome than in the healthy volunteers (see graphic below). These findings suggest that reduced danger signaling by the amygdala in respons...

When in danger humans are similar to a deer in the headlights

...animals, has stayed with humans. Forty-eight male volunteers stood barefoot on a stabilometric platform, to measure balance and body sway, and viewed twenty-four pictures from three different categories. They were: pleasant (sports), neutral (objects), and unpleasant (injured or mutilated humans). Posturograph...

Nose odors and mouth odors: The brain distinguishes

...ments, they inserted small tubes into the noses of volunteers such that one tube ended at the nostrils and the other ended farther back in the nasal passage near the throat, where odors from the mouth would originate. As they introduced odors into one tube or the other, they scanned the subject's brains using f...

HIV Therapy Greatly Extends Life of Key T Cells, Scientists Find

... average lifespan of CD4+ cells in 15 HIV-positive volunteers who had received three or more courses of IL-2 was...first set of experiments, investigators infused 32 volunteers with a sugar solution containing a harmless chemical label, deuterium (a non-radioactive, stable iso...

Female volunteers prepare for a second 'bedrest'

...ulouse, France, is now actively seeking twelve new volunteers to enable them to continue and enhance the research. At the beginning of June, the twelve volunteers from the first phase of the WISE study (Women International Simulation Experiment), were progressive...

Blink, and the brain misses it

...ing a light-emitting optical fibre in the mouth of volunteers wearing light-proof goggles. Because the light was...ing on the retina remained constant, even when the volunteers blinked. The researchers then performed a type of brain scan known as functional magnetic resonance ...

Study shows humans have ability to track odors, much like bloodhounds

...m the University of California, Berkeley. Student volunteers presented with odors to one nostril or the other c...aduate student Jess Porter and Sobel plan to train volunteers to track odors in the field and test the limits of odor localization in humans. Porter, Sobel and t...

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