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Tag: "costs" at biology news

New study explores beetle species with two forms of females

...theories of sexual conflict, which arises when the costs and benefits of multiple matings differ for males and females. "The male versus female arms race (involving physical structures, behaviors, chemicals, etc.) for control over mating may take place over evolutionary time, which in theory can lead to...

Study shows AIDS drugs cost-effective, care underfunded

... treatment, "the happy paradox is that paying high costs for antiretrovirals decreases overall cost of care," said senior author Michael Saag, MD. The HAART costs were about the same for patients who were sicker ?that is, who had lower CD4 cell counts ?as for hea...

Antibacterial coatings cut infection rates

...owing surgery and significantly reduce health care costs and improve quality of life for patients, researchers at the University of South Australia have found. A significant number of hip and knee implants are prone to infection after surgery and in many cases are not amenable to treatment with antibiotic...

New book on rain forests, slash-and-burn agriculture

...ity and climate. The new book also identifies the costs and benefits of alternative uses of forests and cleared land in several benchmark sites throughout the developing world. It is based on the first decade of work by the Alternatives to Slash-and-Burn consortium, which was formed in 1992 by a group of ...

Needle-free immunizations

...ation. "Unfortunately, because of the development costs of new immunization methods, use of needle-free im...tions higher," says Mitragotri. "But the secondary costs of needle-based immunization ?infection and disease ?are high and could be prevented with needle-fre...

Access to existing medical treatments could save more lives than spending to improve the treatments

... when the nation is struggling with the escalating costs of health care and unsatisfactory performance on quality. "Health, economic and moral arguments make the case for spending less on technological advances and more on improving systems for delivering care," he said. ...

Is it Possible to Change Prescribing Habits?

...S$5.6 million every year, excluding ADE-associated costs for malpractice and litigation and the personal costs of injuries to patients. Nationally, hospital expenses to treat patients who have ADEs during hospi...

Nanoparticles, nanoshells, nanotubes: How tiny specks may provide powerful tools against cancer

... tumor cell destruction and image quality, and cut costs too." Tumor-Targeting Nanodelivery Systems: Expanding the Potential for Cancer Therapy and Diagnosis (Abstract 3891) Getting drugs to reach cancer cells once they have spread from the original site of the tumor in the body has continually frust...

Fruit fly research set to revolutionize study of birth defects

...tific tools, speeding up study times while keeping costs low. "It also adds to the growing list of roles fruit flies can take," says Walker. Fruit flies are already used as models for aging, neural disease and cancer. ...

Brazilians sequence genes of pig and poultry killers

...oplasma hyopneumoniae causes pneumonia in pigs and costs the Brazilian pig-breeding industry US$200 million each year. Mycoplasma synoviae is a related bacterium that causes respiratory disease in chickens and turkeys. The researchers also identified the genetic sequence of a non-pathogenic strain of Myco...

Chernobyl: The true scale of the accident

...followed the break-up of the Soviet Union, precise costs have been impossible to calculate. A variety of estimates from the 1990s placed the costs over two decades at hundreds of billions of dollars. These costs included direct damage, expenditure...

Shade trees getting 'scorched' by plant disease

...ommunities. Current loss of value plus replacement costs for older trees affected by this disease is estima...must plan for the loss of property values and high costs of replacement as shade trees in landscapes, wood lots, and golf courses affected by BLS decline and...

UQ scientists break new ground in fight against infection & chronic disease

...afflicts 3.4 million Australians and the financial costs were more than $19.25 billion in 2004. "This discovery provides new and exciting avenues for drug development," Professor Stow said. "Knowledge of the pathway will help find strategies to combat both acute infection and chronic inflammation and t...

The right drug at the right time

...t preparation today - account for about 90 percent costs of raw materials. Heat-transfer fluids - stable, ...rocess was trioctylphosphine oxide, or TOPO, which costs more than $150 per liter. Later, other scientists introduced a new recipe by replacing TOPO with a m...

Biologist Discovers What May Be World’s ‘Pickiest?Mates

...sample just a few mates, presumably because search costs override the benefits of lengthy searches,?she said in her paper. But female California fiddler crabs are much pickier, she discovered in her study, checking out male suitors and their bachelor pads an average of 23 times before making a final select...

Method slashes quantum dot costs by 80 percent

...t preparation today - account for about 90 percent costs of raw materials. Heat-transfer fluids - stable, ...rocess was trioctylphosphine oxide, or TOPO, which costs more than $150 per liter. Later, other scientists introduced a new recipe by replacing TOPO with a m...

NHGRI expands effort to revolutionize sequencing technologies

...d diabetes." Over the past decade, DNA sequencing costs have fallen more than 50-fold, fueled in large par...rt to sequence the human genome. However, it still costs about $10 million to sequence 3 billion base pairs ?the amount of DNA found in the genomes of humans...

Firefly protein lets researchers monitor molecule linked to cancer

...o showed that the technique can greatly reduce the costs of tests that establish the best dosages for drugs that target IKK. Their results appear in the August 2005 issue of Nature Methods. IKK stands at a pivot point in the middle of an important set of linked chain reactions known as the NF-KappaB pathw...

Using the genomic shortcut to predict bacterial behavior

...he ethanol from the water mix. Although additional costs are incurred, such as federal and state subsidies that are passed on to consumers and the costs associated with environmental pollution or degradation, these figures were not included in the analy...

Ethanol and biodiesel from crops not worth the energy

...he ethanol from the water mix. Although additional costs are incurred, such as federal and state subsidies that are passed on to consumers and the costs associated with environmental pollution or degradation, these figures were not included in the analy...

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