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Common bacteria pirate natural mechanism to get inside cells
Bacteria and viruses utilize a natural mechanism to get inside cells and grow, researchers say. view more (2006-01-26)
Nitric oxide: Key to cardiovascular and pulmonary function and drug effectiveness
A naturally occurring molecule in the body appears to control whether certain medications, such as beta adrenergic receptor agonists used in acute heart failure or in inhalers for asthma, lose their effectiveness over time. view more (2007-05-04)
Super sensitive gas detector goes down the nanotubes
When cells are under stress, they blow off steam by releasing minute amounts of nitrogen oxides and other toxic gases. view more (2009-01-14)
Colour effects inspired by instant soup
The shimmering colors of beetle and butterfly wings are not usually due to pigments. Instead, these and rainbow effects are produced by interference - as in opal gemstones, or an oil slick on a wet road. Layers of colorless substances, of a thickness that lies within the wavelength of visible light, cancel out certain parts of the spectrum. The... view more... (2002-09-20)
Scientists help explain effects of ancient Chinese herbal formulas on heart health
New research at The University of Texas Health Science Center at Houston suggests that ancient Chinese herbal formulas used primarily for cardiovascular indications including heart disease may produce large amounts of artery-widening nitric oxide. view more (2009-08-19)
New synthetic compounds appear to prevent brain cell death
Spanish chemists have developed a promising set of synthetic compounds that one day could help slow or perhaps halt the progression of Alzheimer's disease and other neurological disorders. view more (2005-12-21)
The End of the Line for Silicon Dioxide?
By means of computer simulations, scientists at the Technical Universities in Clausthal and Vienna are investigating new materials for even smaller and more efficient transistor generations. The smaller the transistors, the faster they can operate. As a result, faster and faster processors can also be designed. The function of a transistor... view more... (2003-12-23)
ESC Congress 2004: PERTINENT - PERindopril - Thrombosis, InflammatioN, Endothelial dysfunction and Neurohormonal activation Trial
A Sub-Study of the EUROPA Study Evaluation of the Effect of Perindopril on Endothelial Function view more (2004-08-31)
New light shed on marine luminescence
The phenomenon of light emission by living organisms, bioluminescence, is quite common, especially in marine species. view more (2009-02-23)
U-M study offers new perspective on nitric oxide signaling in rheumatoid arthritis
Scientists at the University of Michigan Medical School have found evidence that challenges current thinking about the cause of rheumatoid arthritis (RA), a chronic inflammatory disease that damages joints, causes pain, loss of movement, and bone deformities in 2.1 million Americans. view more (2006-10-31)
INTELLIGENT ANTI-CORROSION COATING GIVES TURBINES IMPROVED PROTECTION
British materials scientists have invented a revolutionary new protective coating for high performance industrial and marine gas turbines. The new system called Smartcoat, can adapt to different types of corrosion modifying its chemical structure in response. The new coating can protect turbines in a wide range of different corrosion scenarios,... view more... (1999-09-09)
'Erectile dysfunction' drugs heighten natural anti-cancer activity
Sildenafil and other "impotence drugs" that boost the production of a gassy chemical messenger to dilate blood vessels and produce an erection now also show promise in unmasking cancer cells so that the immune system can recognize and attack them, say scientists at the Johns Hopkins Kimmel Cancer Center. view more (2006-12-08)
Study explains unexpected conductivity of nanoscale silicon
When graduate student Pengpeng Zhang successfully imaged a piece of silicon just 10 nanometers-or a millionth of a centimeter-in thickness, she and her University of Wisconsin-Madison co-researchers were puzzled. view more (2006-02-09)
Estrogen activates critical lung genes to improve lung function following preterm birth
Estrogen may be a new postnatal therapy to improve lung function and other outcomes in preterm infants, researchers at UT Southwestern Medical Center have found in an animal study. view more (2009-03-12)
Hypoxia training suppresses harmful cardiac nitric oxide production during heart attack
Researchers at the University of North Texas Health Science Center, Fort Worth, Texas have demonstrated that, contrary to prevailing dogma, hypoxia can be remarkably beneficial to the heart. These discoveries, to be reported in the June 2008 issue of Experimental Biology and Medicine, may lead to a new paradigm to protect hearts of patients at... view more... (2008-05-27)
Diabetes complications rooted in faulty cell repair
University of Florida researchers say primitive cells that act like molecular maintenance men-traveling throughout the body to repair damaged blood vessels-become too rigid to move in patients with diabetes, fueling the disease's vascular complications. view more (2006-01-26)
Fake diamonds help jet engines take the heat
Engineers are developing a technology to coat jet engine turbine blades with zirconium dioxide -- commonly called zirconia, the stuff of synthetic diamonds -- to combat high-temperature corrosion. The zirconia chemically converts sand and other corrosive particles that build up on the blade into a new, protective outer coating. In effect, the... view more... (2008-03-18)
Purdue engineers create safer, more efficient nuclear fuel, model its performance
Purdue University nuclear engineers have developed an advanced nuclear fuel that could save millions of dollars annually by lasting longer and burning more efficiently than conventional fuels, and researchers also have created a mathematical model to further develop the technology. view more (2005-09-29)
Halting methane squanderlust
The pipes that rise from oil fields, topped with burning flames of natural gas, waste fossil fuels and dump carbon dioxide into the air. In new work, researchers have identified the structure of a catalytic material that can turn methane into a safe and easy-to-transport liquid. The insight lays the foundation for converting excess methane into a... view more... (2008-05-22)
Zinc oxide gives green shine to new photoconductors
Photodetectors -- devices found in cell phones, digital cameras and other consumer gadgets that utilize photoconducting materials -- are a green technology in performance (converting light into electricity), but the manufacture of very powerful photodetectors needs to be improved before they can qualify for solid green status. view more (2009-03-19)
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