News tagged with resistance

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Gallium nitride transistor could replace silicon

Gallium nitride transistor could replace silicon

Physics / General Physics

created Dec 08, 2009 | popularity 4.7 / 5 (35) | comments 6

(PhysOrg.com) -- A Cornell researcher has created an extremely efficient transistor made from gallium nitride, which may soon replace silicon as king of semiconductors for power applications.


Unexpected Wheel-Test Results

Spirit Mars Rover: Unexpected Wheel-Test Results

Space & Earth / Space Exploration

created 8 hours ago | popularity 5 / 5 (3) | comments 0

(PhysOrg.com) -- Diagnostic tests were run on Spirit's right-rear wheel and right-front wheel on Sol 2013 (Dec. 12, 2009).


Scientists get up close to bacteria's toxic pumps

Scientists get up close to bacteria's toxic pumps

Biology / Cell & Microbiology

created Nov 30, 2009 | popularity 5 / 5 (1) | comments 0

Scientists are building a clearer image of the machinery employed by bacteria to spread antibiotic resistance or cause diseases such as whooping cough, peptic stomach ulcers and legionnaires' disease.


Systems biology approach provides insulin resistance insights

Systems biology approach provides insulin resistance insights

Medicine & Health / Research

created Nov 23, 2009 | popularity 5 / 5 (1) | comments 0

Researchers from the University of California, San Diego recently offered the sharpest-yet picture of how core biochemical pathways in skeletal muscle cells and fat cells are altered in people who suffer from ...


Understanding apples' ancestors

Understanding apples' ancestors

Biology / Ecology

created Dec 11, 2009 | popularity not rated yet | comments 0

Wild Malus orientalis -- species of wild apples that could be an ancestor of today's domesticated apples -- are native to the Middle East and Central Asia. A new study comparing the diversity of recently acquir ...


Researchers discover a way to strengthen proteins

Biology / Cell & Microbiology

created Dec 10, 2009 | popularity 5 / 5 (2) | comments 0

Proteins, which perform such vital roles in our bodies as building and maintaining tissues and regulating cellular processes, are a finicky lot. In order to work properly, they must be folded just so, yet many proteins readily ...


High-fat low-carb diets could mean significant heart risk

Medicine & Health / Health

created Dec 09, 2009 | popularity 2.7 / 5 (3) | comments 13

New scientific research has shown that low-carbohydrate high-fat diets, made popular by the likes of the Atkins diet, do not achieve more weight loss than low-fat high-carbohydrate diets. Worryingly, the research, lead by ...


College football linemen take one for the team in terms of health

Medicine & Health / Health

created Dec 07, 2009 | popularity not rated yet | comments 0

The high-intensity exercise performed by college football linemen does not protect them from obesity, related health problems and the potential for cardiovascular disease later in life, new research suggests.


Intensive fungicide use may lead to azole resistance in humans

Intensive fungicide use may lead to azole resistance in humans

Medicine & Health / Diseases

created Dec 01, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- A team of scientists from the Netherlands, including Gert Kema of Plant Research International, published an article in the Lancet Infectious Diseases about the relationship between fungic ...


Molecule discovered that makes obese people develop diabetes

Molecule discovered that makes obese people develop diabetes

Medicine & Health / Diseases

created Nov 24, 2009 | popularity 4 / 5 (3) | comments 0

Many people who are overweight or obese develop insulin resistance and type 2 diabetes at some stage in their lives. A European research team has now discovered that obese people have large amounts of the ...


Measuring and modeling blood flow in malaria

Biology / Cell & Microbiology

created Nov 23, 2009 | popularity not rated yet | comments 0

When people have malaria, they are infected with Plasmodium parasites, which enter the body from the saliva of a mosquito, infect cells in the liver, and then spread to red blood cells. Inside the blood cells, the parasites ...


Slowing evolution to stop drug resistance

Biology / Cell & Microbiology

created Nov 16, 2009 | popularity not rated yet | comments 0

Infectious organisms that become resistant to antibiotics are a serious threat to human society. They are also a natural part of evolution. In a new project, researchers at the University of Gothenburg are attempting to find ...


Malaria cases likely half in third of countries

Medicine & Health / Diseases

created 18 hours ago | popularity not rated yet | comments 0

(AP) -- Malaria cases appear to have been slashed by half in more than a third of countries battling the disease following a renewed push by the United Nations to eradicate it, the World Health Organization said Tuesday.


A new mouse could help understand how some lung cancer cells evade drug treatment

Medicine & Health / Cancer

created Dec 09, 2009 | popularity not rated yet | comments 0

Lung cancer is the leading cause of cancer mortality worldwide and lung adenocarcinoma is the most common type. Many cases of lung adenocarcinoma are attributed to a mutation in a gene for the epidermal growth factor receptor ...


Tuberculosis: On the path to prevention

Medicine & Health / Diseases

created Dec 01, 2009 | popularity not rated yet | comments 0

Why do some people who are exposed to tuberculosis not become infected or develop the disease? Dr. Erwin Schurr and his team at the Research Institute from the McGill University Health Centre (RI-MUHC), in collaboration with ...