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Tag: "tested" at biology news

Lance Armstrong through a physiological lens: hard training boosts muscle power 8%

...r chemotherapy ceased (August 1997), Armstrong was tested in Coyle's laboratory in the same manner as in his...oup showed no change in endurance performance when tested 2 weeks apart with no sprint training intervention." In addition, though previous studies showed inc...

Virologist finds contagious equine flu in dogs

...r genetics for the influenza branch, found that it tested positive for equine influenza virus. Donis also ruled out the possibility that the sample had been contaminated with equine virus from another source. ...

Chemical 'band-aid' prevents heart failure in mice with muscular dystrophy

...rch will be required before the treatment could be tested in human patients. "Most people think of the heart as a pump," explains Metzger, a professor of molecular and integrative physiology and of internal medicine in the U-M Medical School. "They say their heart is failing, because it's not pumping hard ...

Tagging pathogens with synthetic DNA 'barcodes'

... there are no bars involved. The researchers have tested their system using samples containing various combinations of E. coli, anthrax and tularemia bacteria and ebola and SARS viruses, and have found the color codes could clearly distinguish several different pathogens simultaneously. The research is de...

New Lab Research May Help Those Deafened By Immune System Attack

...like protein 2. In the new study, the researchers tested blood from the 63 patients and 20 normal controls with two tests: a Western blot test and an immunofluorescence (IF) test based on KHRI-3. They correlated the results of those two tests with patients' response to steroid treatment, based on standard ...

Neurologix announces positive results of gene therapy clinical trial in Parkinson's disease

...y, which it refers to as "NLX," is currently being tested in a Company-sponsored Phase I human clinical trial to treat Parkinson's disease. ...

Nose odors and mouth odors: The brain distinguishes

... food," they concluded. "Because the current study tested only one food, future experiments are needed to determine whether other food odors produce the same differential brain activations," they wrote. However, the researchers found that the two different chemicals butanol and farnesol did not elicit sign...

Nanowires can detect molecular signs of cancer, scientists find

...cules suspended in fluids, drops of blood could be tested directly, in a physician's office, without any need for biochemical manipulation. Lieber's co-authors are Gengfeng Zheng, Fernando Patolsky, Yi Cui and Wayne U. Wang, all of Harvard's Department of Chemistry and Chemical Biology, Biophysics Program ...

Primate virus jumps species barrier to humans for first time in Asia

... says Jones-Engel. For this study, the researchers tested blood samples from 82 people who work in or around a temple in Bali, as well as samples from macaques in the area. They found antibodies for simian foamy virus in the blood of one 47-year-old farmer who visited the temple every day. They confirmed th...

Device traps, disables harmful bacteria

...rs, no one has gotten sick." The researchers also tested the hybrid filters in an environmentally controlled laboratory chamber to come up with the air-exchange rate for the therapy pool assays, among other parameters. The researchers published their results in the Feb. 2005 issue of the Journal of Air &a...

Once given 'no respect,' cells' tiny RNAS take driver's seat

...its involvement in cancer, the Hopkins researchers tested human cells to see whether changes in the amount of Myc affected levels of any of the more than 200 known microRNAs. Through these experiments and others, they discovered that Myc directly controls the gene for a set of six microRNAs in a region of c...

Hunt for human genes involved in cell division under way

...ch," says Ellenberg. "Thousands of genes have been tested in the initial phase of the project and the results are very promising." The systematic search and analysis of the screen is set to be completed by the end of 2005. ...

U-M researchers identify new blood test for prostate cancer

...l School. In the current study, researchers first tested the blood serum samples of 39 men with prostate ca...rostate cancer samples and 70 control samples were tested against the 186 autoantibodies. In this phase, the researcher identified a panel of 22 compounds tha...

Vineyard weeds found to host Pierce's disease of grapes

...eding hosts of the glassy-winged sharpshooter were tested first, then plants particularly abundant in or near vineyards. "Our objectives were to determine the fate of Pierce's disease infections in previously untested plant species associated with southern San Joaquin Valley vineyards, and compare survival...

Shampoo detergent added to paint makes surfaces self-sterilizing

... effective self-sterilizing surfaces, the students tested a variety of metal dusts, salts and other organic ...clear varnish. Once dried, varnished surfaces were tested for the speed in which they killed the microbes applied to them. The coating doped with cetavlon, a ...

Researchers create functioning artificial proteins using nature's rules

... proteins," Dr. Ranganathan said. He and his team tested their newly discovered "rules" gleaned from the evolutionary record by feeding them into a computer program they developed. The program generated sequences of amino acids, which the researchers then "back-translated" to create artificial genes. Once ...

Visceral Leishmaniasis: Successful Vaccine Trial In Dogs

...reservoir. Such prevention treatment has just been tested successfully on dogs by an IRD team in Montpellier...La Seyne-Sur-Mer, Var), have recently produced and tested a new type of treatment, composed solely of antigen proteins excreted by the parasite (1). The first...

Hanging baskets of sex and death help fruit growers

... Defra funded project the researchers have already tested the effect of a single dispenser which alone infected 5% of all the moths found over a 1 hectare site. That early test helped them maximize the best virus formulation, and the most efficient dispenser design that maximised access for the moths while ...

Traditional models underestimate extinction rates

...astic, variables. But few scientists have actually tested the accuracy of these models with empirical data. To do this, Drake first manipulated the available food sources in 281 populations of water fleas, because it's generally assumed that fluctuating environments, a given in the natural world, increase a...

Gaining ground in the race against antibiotic resistance

...se gene from the Bacillus cereus soil bacteria and tested it in the laboratory strain E. coli. The gene is very similar to lactamase genes found in disease-causing bacteria such as Pseudomonas and Acinetobacter -- common culprits in resistant, hard-to-treat hospital infections. And it is almost identical t...

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