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279,031 articles from PhysOrg

Visceral adiposity index directly correlated to viral load in genotype 1 chronic hepatitis C

Researchers at the University of Palermo in Italy provide the evidence that a higher visceral adiposity index score—a new index of adipose dysfunction—has a direct correlation with viral load and is independently associated with both steatosis and necroinflammatory activity in patients with genotype 1 chronic hepatitis C (G1 CHC). Details of this study are available in the November...

The world is not flat: Exploring cells and tissues in three dimensions

The cells and tissues in our bodies grow, develop and interact in a highly complex, three-dimensional world. Likewise, the various microbial pathogens that invade our bodies and cause infectious disease interact with this complex 3-D tissue milieu. Yet the methods of culturing and studying human cells have traditionally been carried out in two dimensions on flat impermeable surfaces. While such...

AMD showcases 'Llano' Fusion APU

At the 6th Annual AMD Technical Forum & Exhibition (TFE) 2010, AMD today showcased for its ecosystem partners the first public demonstration of the forthcoming AMD Fusion Accelerated Processing Unit (APU) codenamed “Llano”, designed for notebook, ultrathin and desktop PCs. AMD demonstrated the accelerated single-chip processing muscle of Llano by simultaneously processing three separate...

Blood thinning breakthrough announced

A team of scientists led by the University of Manchester have reported an important breakthrough and simplification in the control of oral anticoagulation, the blood thinning treatment with warfarin and similar drugs currently given to approximately 1 million patients in the UK for thrombotic disorders.

Efficient computer network on a chip

Satellite TV without having to set up a receiver dish. Digital radio on your mobile phone without your batteries quickly running flat. The advanced calculations needed for these future applications are made possible by a microchip with relatively simple processors that can interact and communicate flexibly. These are among the findings of research at the Centre for Telematics and Information...

Functional nerve cells from adult skin cells generated by UConn scientists

Scientists at the University of Connecticut Health Center have successfully converted stem cells derived from the adult skin cells of four humans into region-specific forebrain, midbrain, and spinal cord neurons (nerve cells) with functions. The research is a key step toward realizing the cells’ potential to treat various neurodegenerative diseases.

McMaster researchers say not all stem cells the same

Until now it's been thought that human stem cell lines are all identical and possess the same ability to differentiate, or change into more specific cell types. But new research from McMaster University has shown there are subsets of stem cells that respond differently depending on what stem cell properties are measured and what test is used.

Neanderthals may have made jewelry after all

(PhysOrg.com) -- The theory that later Neanderthals might have been sufficiently advanced to fashion jewellery and tools similar to those of incoming modern humans has suffered a setback. A new radiocarbon dating study, led by Oxford University, has found that an archaeological site that uniquely links Neanderthal remains to sophisticated tools and jewellery may be partially mixed.

No cloned steaks on EU plates

The European Union on Tuesday announced plans for a five-year ban on animal cloning for food production as well as a traceability system for imports of semen and embryos of clones.

Australian HIV numbers on the rise

Australia has reported its highest number of HIV infections since the early 1990s but cases of most other sexually transmitted and blood-borne infections have dropped, according to data compiled by UNSW researchers.

Campaign to build 1837 Babbage's Analytical Engine

(PhysOrg.com) -- A campaign based in the UK is hoping to construct Charles Babbage's steam-powered Analytical Engine, a prototype computer around the size of a steam locomotive, which Babbage designed in 1837. While elements of the engine have been constructed in the past a complete working model has never been built.