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Research opens doors to UV disinfection using LED technology

Research from North Carolina State University will allow the development of energy-efficient LED devices that use ultraviolet (UV) light to kill pathogens such as bacteria and viruses. The technology has a wide array of applications ...

Physics / Condensed Matter

created May 14, 2012 | popularity 5 / 5 (6) | comments 1 | with audio podcast

Researchers use light to switch on gene expression

Imagine being able to control genetic expression by flipping a light switch. Researchers at North Carolina State University are using light-activated molecules to turn gene expression on and off. Their method enables greater ...

Biology / Biotechnology

created May 10, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

New malaria method could boost drug production

German scientists have developed a new way to make a key malaria drug that they say could easily quadruple production and drop the price significantly, increasing the availability of treatment for a disease that kills hundreds ...

Chemistry / Biochemistry

created Feb 16, 2012 | popularity not rated yet | comments 0

Light makes write for DNA information-storage device

Researchers have demonstrated a write-once-read-many-times information-storage device, made of DNA embedded with silver nanoparticles, that uses ultraviolet light to encode data.

Nanotechnology / Nanophysics

created Jan 05, 2012 | popularity 4.7 / 5 (3) | comments 0 | with audio podcast

Scientists discover why buttercups reflect yellow on chins

Scientists have found that the distinctive glossiness of the buttercup flower (Ranunculus repens), which children like to shine under the chin to test whether their friends like butter, is related to its un ...

Biology / Plants & Animals

created Dec 13, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Bow down to the light: Light-triggered microscale robotic arm makes bending and stretching motions

(PhysOrg.com) -- As miniaturization progresses, microrobots and nanomachines have moved beyond the realm of pure speculation. This technology requires tiny components that can respond to stimulation by undergoing ...

Chemistry / Materials Science

created Nov 21, 2011 | popularity 5 / 5 (2) | comments 1 | with audio podcast

A substance from bacteria can lead to allergy-free sunscreen

As the realisation that radiation emitted by the sun can give rise to skin cancer has increased, so also has the use of sunscreen creams. These creams, however, can give rise to contact allergy when exposed to the sun, and ...

Chemistry / Biochemistry

created Oct 25, 2011 | popularity not rated yet | comments 1

How the Milky Way killed off its satellites

(PhysOrg.com) -- Two researchers from Observatoire Astronomique de Strasbourg have revealed for the first time the existence of a new signature of the birth of the first stars in our galaxy, the Milky Way. ...

Space & Earth / Astronomy

created Oct 19, 2011 | popularity 4.6 / 5 (5) | comments 0 | with audio podcast

High-purity hydrogen generated from a single device

(PhysOrg.com) -- There are many ways to generate hydrogen, such as water electrolysis and steam reforming of gas, but the hydrogen produced by these methods tends to be combined with other byproduct and residual ...

Physics / Condensed Matter

created Oct 07, 2011 | popularity 4.5 / 5 (15) | comments 17 | with audio podcast feature

Pumice proposed as home to the first life forms: A new hypothesis in Astrobiology journal

The glassy, porous, and once gas-rich rock called pumice may have given rise to early life forms, according to a provocative new hypothesis on the origin of life published in Astrobiology, a peer-reviewed journa ...

Space & Earth / Earth Sciences

created Oct 04, 2011 | popularity 5 / 5 (1) | comments 5

A scientific 'go' for commercial production of vitamin-D enhanced mushrooms

A new commercial processing technology is suitable for boosting the vitamin D content of mushrooms and has no adverse effects on other nutrients in those tasty delicacies, the first study on the topic has concluded. The technology, ...

Chemistry / Other

created Sep 07, 2011 | popularity 5 / 5 (2) | comments 4

Researchers extend genetic code of an entire animal

(PhysOrg.com) -- Researchers Sebastian Greiss and Jason Chin of the Medical Research Council's Laboratory of Molecular Biology in Cambridge, have succeeded in manipulating the DNA of a nematode such that a ...

Biology / Biotechnology

created Aug 15, 2011 | popularity 4.8 / 5 (9) | comments 7 | with audio podcast report

Measuring the next generation of life-saving pollution sensors

New research from the UK's National Physical Laboratory (NPL) is helping Duvas Technologies Ltd (Duvas) to develop improved air quality monitoring instrumentation. Currently over 1bn people a year suffer from respiratory ...

Technology / Engineering

created May 31, 2011 | popularity not rated yet | comments 0

Reindeer see a weird and wonderful world of ultraviolet light

Researchers have discovered that the ultraviolet (UV) light that causes the temporary but painful condition of snow blindness in humans is life-saving for reindeer in the arctic.

Biology / Plants & Animals

created May 26, 2011 | popularity 5 / 5 (8) | comments 4 | with audio podcast

Idling airplanes produce more harmful pollution than previously thought

(PhysOrg.com) -- A group of researchers from Carnegie Mellon University in Pittsburgh, have shown that the emissions produced by aircraft idling at the gate, or lining up for takeoff, contain tiny oil droplets, ...

Space & Earth / Earth Sciences

created May 12, 2011 | popularity 2 / 5 (2) | comments 6 | with audio podcast report