News tagged with recombination

Related topics: solar cells

Study raises questions on what causes silicon solar cell degradation

(PhysOrg.com) -- After several hours of exposure to sunlight, silicon solar cells experience light-induced degradation, which can decrease their efficiency by up to 10%. In a new study, scientists have attempted ...

Physics / Condensed Matter

created Jun 03, 2011 | popularity 3.5 / 5 (4) | comments 1 | with audio podcast feature

Single gene mutation can sweep through bacterial population, opening the door for the concept of 'species'

Bacteria are the most populous organisms on the planet. They thrive in almost every known environment, adapting to different habitats by means of genetic variations that provide the capabilities essential ...

Biology / Cell & Microbiology

created Apr 05, 2012 | popularity 5 / 5 (4) | comments 3 | with audio podcast

Study shows how DNA finds its match

It's been more than 50 years since James Watson and Francis Crick showed that DNA is a double helix of two strands that complement each other. But how does a short piece of DNA find its match, out of the millions ...

Biology / Cell & Microbiology

created Feb 08, 2012 | popularity 4.9 / 5 (15) | comments 2 | with audio podcast

In solar cells, tweaking the tiniest of parts yields big jump in efficiency

(PhysOrg.com) -- By tweaking the smallest of parts, a trio of University at Buffalo engineers is hoping to dramatically increase the amount of sunlight that solar cells convert into electricity.

Nanotechnology / Nanophysics

created Jan 20, 2012 | popularity 4.6 / 5 (11) | comments 27 | with audio podcast

LED efficiency puzzle solved by theorists

Researchers at the University of California, Santa Barbara, say they've figured out the cause of a problem that's made light-emitting diodes (LEDs) impractical for general lighting purposes. Their work will help engineers ...

Physics / General Physics

created Apr 19, 2011 | popularity 4.6 / 5 (21) | comments 16 | with audio podcast

Safeguarding genome integrity through extraordinary DNA repair

(PhysOrg.com) -- DNA is under constant attack, from internal factors like free radicals and external ones like ionizing radiation. About 10 double-strand breaks – the kind that snap both backbones of ...

Biology / Cell & Microbiology

created Apr 19, 2011 | popularity 4.8 / 5 (8) | comments 3 | with audio podcast

Sex Talk Revelations of the Lonely Y Chromosome

(PhysOrg.com) -- In the week that the University of Leicester celebrates the 25th anniversary of the discovery of DNA fingerprinting (Thursday September 10) new findings from the world-renowned University of Leicester Department ...

Medicine & Health / Genetics

created Sep 09, 2009 | popularity 4.5 / 5 (4) | comments 3

Discovery of non-blinking semiconductor nanocrystals advances their applications

Substantial advances for applications of nanocrystals in the fields requiring a continuous output of photons and high quantum efficiency may soon be realized due to discovery of non-blinking semiconductor nanocrystals. ...

Nanotechnology / Nanomaterials

created May 14, 2009 | popularity 4.8 / 5 (5) | comments 2

On the move for repair

Scientists from the Friedrich Miescher Institute for Biomedical Research have elucidated mechanisms that control DNA movement in the nucleus. They found that DNA with double-strand breaks moves more than undamaged ...

Biology / Cell & Microbiology

created Apr 17, 2012 | popularity not rated yet | comments 0 | with audio podcast

Frog trade link to killer fungus revealed

The global trade in frogs, toads and other amphibians may have accidentally helped create and spread the deadly fungal disease, chytridiomycosis, which has devastated amphibian populations worldwide.

Biology / Plants & Animals

created Nov 08, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

New technique uses genomes to examine human migrations

(PhysOrg.com) -- Cornell researchers have developed new statistical methods based on the complete genome sequences of people alive today to shed light on events at the dawn of human history.

Biology / Biotechnology

created Sep 20, 2011 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Androgenetic species of clam utilizes rare gene capture

(PhysOrg.com) -- In a new study published in the Proceedings of the National Academy of Sciences, biologist David Hillis from the University of Texas shows how the freshwater Corbicula clam utilizes rare g ...

Biology / Plants & Animals

created May 24, 2011 | popularity 5 / 5 (1) | comments 8 | with audio podcast report

Study maps hotspots of genetic rearrangement

Researchers have zoomed in on mouse chromosomes to map hotspots of genetic recombination — sites where DNA breaks and reforms to shuffle genes. The findings of the scientists at the National Institutes ...

Biology / Biotechnology

created Apr 05, 2011 | popularity not rated yet | comments 0 | with audio podcast

Study shows patient's own cells may hold therapeutic promise after reprogramming, gene correction

Scientists from the Morgridge Institute for Research, the University of Wisconsin-Madison, the University of California and the WiCell Research Institute moved gene therapy one step closer to clinical reality by determining ...

Biology / Biotechnology

created Apr 04, 2011 | popularity 4.6 / 5 (5) | comments 0 | with audio podcast

Mimicking photosynthesis path to solar-derived hydrogen fuel

Inexpensive hydrogen for automotive or jet fuel may be possible by mimicking photosynthesis, according to a Penn State materials chemist, but a number of problems need to be solved first.

Chemistry / Materials Science

created Feb 19, 2011 | popularity 3.8 / 5 (12) | comments 0 | with audio podcast