News tagged with recombination

Related topics: solar cells

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

Natural selection is not the only process that drives evolution

Why have some of our genes evolved rapidly? It is widely believed that Darwinian natural selection is responsible, but research led by a group at Uppsala University, suggests that a separate neutral (nonadaptive) process ...

Biology /

created Jan 27, 2009 | popularity 4.3 / 5 (21) | comments 24

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

Mystery solved: Scientists now know how smallpox kills

A team of researchers working in a high containment laboratory at the Centers for Disease Control and Prevention in Atlanta, GA, have solved a fundamental mystery about smallpox that has puzzled scientists long after the ...

Biology / Cell & Microbiology

created Dec 22, 2009 | popularity 5 / 5 (10) | comments 0

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

Scientists break light modulation speed record -- twice

Researchers have constructed a light-emitting transistor that has set a new record with a signal-processing modulation speed of 4.3 gigahertz, breaking the previous record of 1.7 gigahertz held by a light-emitting diode.

Physics / General Physics

created Jun 15, 2009 | popularity 4.6 / 5 (9) | comments 0

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

Researchers develop process for 'surgical' genetic changes

Research led by scientists at Iowa State University's Plant Sciences Institute has resulted in a process that will make genetic changes in plant genes much more efficient, practical and safe.

Biology / Biotechnology

created Jul 20, 2009 | popularity 5 / 5 (5) | comments 3

Researchers develop hybrid protein tools for gene cutting and editing

An Iowa State University team of researchers has developed a type of hybrid proteins that can make double-strand DNA breaks at specific sites in living cells, possibly leading to better gene replacement and ...

Biology / Biotechnology

created Aug 30, 2010 | popularity 5 / 5 (5) | comments 0 | with audio podcast

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

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

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

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

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