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Tag: "use" at biology news

Survey finds silver contamination in North Pacific waters

...kground level is so low, scientists may be able to use silver as a tracer element for tracking the fate o...from China, where coal is the primary fuel and the use of emissions controls is limited. Major pollutants from the burning of coal are nitrogen and sulfur ...

Buying Time Through Hibernation on Demand

...nt that would interfere with the body's ability to use oxygen, Roth said. Using oxygen deprivation to de...mpete for and interfere with the body's ability to use oxygen for energy production - a process within the cell's power-generating machinery called oxidati...

Anti cancer virotherapy well tolerated in first human administration, research finds

...tralian developed anti-cancer therapy based on the use of a common cold virus to control cancer cell growth has begun safety testing in human subjects. The research was presented to the third International Meeting on Replicating Oncolytic Virus Therapeutics, on Friday 11 March by Newcastle University as...

U-M team recovers ancient whale in Egyptian desert

...nt that would interfere with the body's ability to use oxygen, Roth said. Using oxygen deprivation to de...mpete for and interfere with the body's ability to use oxygen for energy production - a process within the cell's power-generating machinery called oxidati...

Chemicals in tattoo inks need closer scrutiny

...ave been identified, doctors removing the inks can use their knowledge of the chemical characteristics of the components to select a treatment that will be most effective and, hopefully, the least painful for the patient," Wagner says. The American Chemical Society is a nonprofit organization, chartered...

Strongest proof yet found for prion hypothesis

...ell on April 21, the UTMB researchers describe the use of a method they developed called "protein misfolding cyclic amplification" (PMCA) to vastly accelerate the activity of a small number of prions taken from infected hamsters and placed in test tubes containing healthy brain proteins. When the healthy...

Love's all in the brain: fMRI study shows strong, lateralized reward, not sex, drive

..., "Our results suggest that romantic love does not use a functionally specialized brain system. It may be produced, instead, by a constellation of neural systems that converge onto widespread regions of the caudate where there is a flexible combinatorial map representing and integrating many motivating s...

Medical molecules designed to respond to visible light that can penetrate tissue

...d away by tissue. Scientists believe that they can use light at that wavelength to signal manmade molecul...Technologies Inc. to design molecular systems that use light that is in the therapeutic window. Starting with a complex with known DNA cleaving qualities, ...

Researchers uncover sequence of major rice pathogen

... In functional genomics, Dean explains, scientists use comparative genomics to get hints about where to concentrate their study efforts. "M. grisea contains about 11,000 genes, so you can't look at every one," he says. "The comparative study allows us to look at novel classes of genes and novel proteins...

Reservoirs may accelerate the spread of invasive aquatic species, researchers say

...e species are suspected to have benefited from the use of reservoirs as avenues, including Daphnia lumhol...lly important invasive species, may also have made use of reservoirs to spread. Havel, Lee, and Vander Zanden argue for research aimed at comparing rates o...

FDA Announces Series of Changes to the Class of Marketed Non-Steroidal Anti-Inflammatory Drugs (NSAIDs)

...ientific data to guide the careful and appropriate use of these drugs aimed at maximizing their potential...l for CV and GI adverse events associated with the use of this class of drugs. In addition, FDA is asking the manufacturers of all OTC NSAIDs to revise th...

Infants With Rare Genetic Disease Saved by Cord Blood Stem Cells

...price on a child's life." Kurtzberg pioneered the use of umbilical cord blood from unrelated donors in 1993 and her team has treated and saved more children with cancers and rare genetic diseases than any other center in the world ?147 children in all. The oldest Duke patient transplanted for a lysosoma...

Growth in biomass could put US on road to energy independence

...hieved with only relatively modest changes in land use and agricultural and forestry practices. "One of the main points of the report is that the United States can produce nearly 1 billion dry tons of biomass annually from agricultural lands and still continue to meet food, feed and export demands," sai...

Human Cells Filmed Instantly Messaging for First Time

...hieved with only relatively modest changes in land use and agricultural and forestry practices. "One of the main points of the report is that the United States can produce nearly 1 billion dry tons of biomass annually from agricultural lands and still continue to meet food, feed and export demands," sai...

Same-Sex Mating Discovered in a Toxic Fungus

...has therefore risen in parallel with the increased use of such therapies and with the worldwide HIV/AIDS pandemic. In plants and animals, sexual identity is governed by sex chromosomes. In fungi, however, sexual identity is determined by so-called "mating type loci," genes arranged contiguously, but whi...

Potential Drug Target For Treating Cocaine Abuse Found

...ng neurons, after which it is reabsorbed for later use by a protein that transports it back into the send...United States ?about 1 percent of the population - use cocaine, according to estimates. Of this number, more than 550,000 are crack users. In 2002, 1.5 mil...

Youth With HIV Take More Risks After New Meds Introduced

...exual partners, more unprotected sex and more drug use than HIV-positive youth studied between 1994 and 1...er before," the researchers write. Although HAART use has significantly improved the care of HIV patients, the longer lives of those patients could mean m...

UNC launches study of liver injury caused by drugs

...ble when most are not," he said. Researchers will use DNA analysis based on blood samples to identify possible genetic risk factors for such liver injury. "Once a drug has been associated with severe liver injury, physicians are understandably hesitant to prescribe it, even if it may provide the best b...

PET/CT can identify new cancer lesions at early stage, allowing for prompt treatment

... processes in the body. Currently, the most common use of PET is for whole-body oncologic imaging for diagnosis, staging, restaging and measuring early therapy responses. CT is an X-ray test that generates a detailed view of the anatomy or structure of organs and tissues in the body. Combining PET with C...

Leprosy microbes lead scientists to immune discovery

...s, which seize distinctive pieces of the enemy and use them to "educate" and stir up a second immune response, known as "adaptive" immunity. Until now, laboratory dish experiments hadn't revealed that the instantaneous or "innate" immune reaction--discovered less than 10 years ago--is mounted by two dif...

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