News tagged with plasma

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Plasma levels of GGT and ALB and their genetic correlations with cardiovascular risk factors

Medicine & Health / Genetics

created Nov 24, 2009 | popularity not rated yet | comments 0

Two indicators of liver function, Gamma-glutamyl transferase (GGT) and albumin (ALB) have been implicated in the pathogenesis of atherosclerosis. It is known that the variation in the plasma level of these liver related proteins ...


Ultrasound enhances noninvasive Down syndrome tests

Medicine & Health / Diseases

created Nov 20, 2009 | popularity not rated yet | comments 0

The addition of a "genetic sonogram" maximizes the accuracy of non-invasive testing for Down syndrome, said a Baylor College of Medicine researcher who was lead author of a landmark study in the current issue of Obstetrics an ...


Ultra-Powerful Laser Reproduces How Star's Jets Travel through Interstellar Space

Ultra-Powerful Laser Reproduces How Star's Jets Travel through Interstellar Space

Physics / General Physics

created Nov 20, 2009 | popularity 4.5 / 5 (8) | comments 0

(PhysOrg.com) -- A multi-trillion-watt laser at the University of Rochester has simulated a stellar jet -- an outpouring of matter from a fledgling star -- with unprecedented realism.


Genetic analysis helps dissect molecular basis of cardiovascular disease

Medicine & Health / Research

created Nov 20, 2009 | popularity 2 / 5 (1) | comments 0

Using highly precise measurements of plasma lipoprotein concentrations determined by nuclear magnetic resonance spectroscopy (NMR), researchers led by Daniel Chasman at Brigham and Women's Hospital and Harvard Medical School ...


California targets TVs to lower electricity demand (AP)

Calif. requires TVs to be more energy-efficient (Update)

Technology / Energy

created Nov 18, 2009 | popularity 5 / 5 (2) | comments 1

(AP) -- California regulators adopted the nation's first energy-efficiency standards for televisions Wednesday in hopes of reducing electricity use at a time when millions of American households are switching ...


Fat collections linked to decreased heart function

Medicine & Health / Research

created Nov 13, 2009 | popularity 4 / 5 (1) | comments 0

Researchers from Boston University School of Medicine (BUSM) have shown that fat collection in different body locations, such as around the heart and the aorta and within the liver, are associated with certain decreased heart ...


New mechanism explains how the body prevents formation of blood vessels

Medicine & Health / Cancer

created Nov 11, 2009 | popularity 4 / 5 (1) | comments 0

Researchers at Uppsala University, in collaboration with colleagues in Sweden and abroad, have identified an entirely new mechanism by which a specific protein in the body inhibits formation of new blood vessels. Inhibiting ...


New Digital 'Electronics' Concept May Continue Moore's Law

New Digital 'Electronics' Concept May Continue Moore's Law

Nanotechnology / Nanophysics

created Nov 05, 2009 | popularity 4.6 / 5 (72) | comments 12

(PhysOrg.com) -- Computers of the future could be operating not on electrons, but on tiny waves traveling through an electron "fluid," if a new proposal is successful. The new circuit design, recently introduced ...


Scientists obtain clearer view of how eye lens proteins are sorted

Biology / Cell & Microbiology

created Nov 03, 2009 | popularity not rated yet | comments 0

New research reveals how proteins that are critical for the transparency of the eye lens are properly sorted and localized in membrane bilayers. The study, published by Cell Press in the November 3rd issue of Biophysical Jo ...


Upping the power triggers an ordered helical plasma

Upping the power triggers an ordered helical plasma

Physics / Plasma Physics

created Nov 02, 2009 | popularity 5 / 5 (4) | comments 0

If you keep twisting a straight elastic string, at some moment it starts kinking in a wild way. Something similar occurs when one increases the electrical current flowing in a magnetized plasma doughnut: it ...


High-performance plasmas may make reliable, efficient fusion power a reality

High-performance plasmas may make reliable, efficient fusion power a reality

Physics / Plasma Physics

created Nov 02, 2009 | popularity 4.7 / 5 (40) | comments 47

In the quest to produce nuclear fusion energy, researchers from the DIII-D National Fusion Facility have recently confirmed long-standing theoretical predictions that performance, efficiency and reliability ...


Electron self-injection into an evolving plasma bubble

Electron self-injection into an evolving plasma bubble

Physics / Plasma Physics

created Nov 02, 2009 | popularity 4.8 / 5 (4) | comments 1

Particle accelerators are among the largest and most expensive scientific instruments. Thirty years ago, theorists John Dawson and Toshiki Tajima proposed an idea for making them thousands of times smaller: ...


Laser-plasma accelerators ride on Einstein's shoulders

Laser-plasma accelerators ride on Einstein's shoulders

Physics / Plasma Physics

created Nov 02, 2009 | popularity 5 / 5 (21) | comments 0

Using Einstein's theory of special relativity to speedup computer simulations, scientists have designed laser-plasma accelerators with energies of 10 billion electron volts (GeV) and beyond. These systems, ...


HIV tamed by designer 'leash'

Medicine & Health / HIV & AIDS

created Oct 29, 2009 | popularity 5 / 5 (2) | comments 0

Researchers have shown how an antiviral protein produced by the immune system, dubbed tetherin, tames HIV and other viruses by literally putting them on a leash, to prevent their escape from infected cells. The insights reported ...


Roadrunner supercomputer models nonlinear physics of high-power lasers

Physics / Plasma Physics

created Oct 28, 2009 | popularity 4 / 5 (4) | comments 1

For years scientists have struggled with the difficult physics of inertial confinement fusion. This is the attempt to compress a target capsule containing isotopes of hydrogen with high-powered lasers to high enough pressure ...