News tagged with double helix molecule

A needle in a haystack: How does a broken DNA molecule get repaired?

Scientists from the Kavli Institute of Nanoscience at Delft University of Technology have discovered a key element in the mechanism of DNA repair. When the DNA double helix breaks, the broken end goes searching for the similar ...

Biology / Cell & Microbiology

created May 03, 2012 | popularity 5 / 5 (3) | comments 0

New molecule has potential to help treat genetic diseases and HIV

(PhysOrg.com) -- Chemists at The University of Texas at Austin have created a molecule that's so good at tangling itself inside the double helix of a DNA sequence that it can stay there for up to 16 days before ...

Biology / Plants & Animals

created Feb 13, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Explosive composite based on nanoparticles and DNA could be an energy source for embedded microsystems

A solid explosive with an energy density equivalent to that of nitroglycerine: this is the composite material produced by researchers at the Laboratoire d'Analyse et d'Architecture des Systemes (CNRS) in Toulouse, France, ...

Nanotechnology / Nanomaterials

created Nov 03, 2011 | popularity 4 / 5 (1) | comments 2

DNA falls apart when you pull it

DNA falls apart when you pull it with a tiny force: the two strands that constitute a DNA molecule disconnect. Peter Gross of VU University Amsterdam has shown this in his PhD research project. With this research, ...

Chemistry / Biochemistry

created May 20, 2011 | popularity 5 / 5 (2) | comments 0

Water molecules characterize the structure of DNA genetic material

Water molecules surround the genetic material DNA in a very specific way. German scientists at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) have discovered that, on the one hand, the texture of this hydration ...

Chemistry / Biochemistry

created Apr 26, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Want to silence a gene? Pull here

(PhysOrg.com) -- Simply stretching DNA can silence a gene, scientists at the UA have discovered. The finding could point to a previously unknown gene control mechanism.

Biology / Biotechnology

created Mar 21, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Modified RNA creates stable therapeutic nanoparticles

For years, RNA has seemed an elusive tool in nanotechnology research. While easily manipulated in the laboratory, RNA is susceptible to quick destruction in the body when confronted with a commonly found enzyme. "The enzyme ...

Nanotechnology / Bio & Medicine

created Feb 23, 2011 | popularity 5 / 5 (1) | comments 0

DNA caught rock 'n rollin' (w/ Video)

(PhysOrg.com) -- DNA, that marvelous, twisty molecule of life, has an alter ego, research at the University of Michigan and the University of California, Irvine reveals.

Chemistry / Biochemistry

created Jan 26, 2011 | popularity 5 / 5 (9) | comments 0 | with audio podcast

Researchers advance understanding of enzyme that regulates DNA

Thanks to a single-molecule imaging technique developed by a University of Illinois professor, researchers have revealed the mechanisms of an important DNA-regulating enzyme.

Biology / Cell & Microbiology

created Aug 20, 2010 | popularity 5 / 5 (9) | comments 0 | with audio podcast

Unselfish molecules may have helped give birth to the genetic material of life (w/ Video)

One of the biggest questions facing scientists today is how life began. How did non-living molecules come together in that primordial ooze to form the polymers of life? Scientists at the Georgia Institute of Technology have ...

Biology / Cell & Microbiology

created Mar 08, 2010 | popularity 4.3 / 5 (9) | comments 2 | with audio podcast

New information about DNA repair mechanism could lead to better cancer drugs

Researchers at Washington University School of Medicine in St. Louis have shed new light on a process that fixes breaks in the genetic material of the body's cells. Their findings could lead to ways of enhancing chemotherapy ...

Biology / Cell & Microbiology

created Jul 16, 2009 | popularity not rated yet | comments 0

Backtracking on DNA

(PhysOrg.com) -- Accuracy is essential for life, so in converting the information stored in DNA into a form in which it can be used, a high level of precision is required. Dr Tanniemola Liverpool from the ...

Physics / General Physics

created Jun 23, 2009 | popularity 4.6 / 5 (9) | comments 0

Chemists see first building blocks to life on Earth

Scientists at The University of Manchester have developed an experiment that sheds new and fascinating light on how life on Earth might have begun.

Chemistry / Biochemistry

created May 13, 2009 | popularity 4.9 / 5 (25) | comments 13

Build your own space station

(PhysOrg.com) -- CSIRO's Double Helix Science Club has produced a paper model of the International Space Station (ISS) - the first designed just for children.

Space & Earth / Space Exploration

created Mar 03, 2009 | popularity 3.4 / 5 (5) | comments 0