News tagged with dna molecules
Related topics: dna sequences , molecules , genetic information
Simpler times: Did an earlier genetic molecule predate DNA and RNA?
(PhysOrg.com) -- In the chemistry of the living world, a pair of nucleic acids—DNA and RNA—reign supreme. As carrier molecules of the genetic code, they provide all organisms with a mechanism for ...
Jan 09, 2012 |
4.8 / 5 (28) |
117
|
Faster, cheaper DNA sequencing method developed
(PhysOrg.com) -- Boston University biomedical engineers have devised a method for making future genome sequencing faster and cheaper by dramatically reducing the amount of DNA required, thus eliminating the ...
Nanotechnology / Bio & Medicine
Dec 20, 2009 |
4.4 / 5 (29) |
10
RNA reactor could have served as a precursor of life
(PhysOrg.com) -- Nobody knows quite how life originated on Earth, but most scientists agree that living cells did not abruptly appear from nonliving cells in a single step. Instead, there were probably a series ...
Jul 11, 2011 |
4.7 / 5 (27) |
103
|
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.
May 13, 2009 |
4.9 / 5 (25) |
13
World's smallest semiconductor laser heralds new era in optical science
(PhysOrg.com) -- Researchers at the University of California, Berkeley, have reached a new milestone in laser physics by creating the world's smallest semiconductor laser, capable of generating visible light ...
Aug 30, 2009 |
4.8 / 5 (25) |
1
Physicists build highly efficient 'no-waste' laser
A team of University of California, San Diego researchers has built the smallest room-temperature nanolaser to date, as well as an even more startling device: a highly efficient, "thresholdless" laser that ...
Feb 08, 2012 |
4.9 / 5 (23) |
5
|
Carbon nanotubes could make efficient solar cells
(PhysOrg.com) -- Cornell researchers fabricated, tested and measured a simple solar cell called a photodiode, formed from an individual carbon nanotube.
Nanotechnology / Nanomaterials
Sep 10, 2009 |
4.9 / 5 (22) |
13
A new read on DNA sequencing
A new technique for reading the DNA code relies on a fundamental property of matter known as quantum tunneling, which operates at the subatomic scale. The current paper shows that single bases inside a DNA ...
Nanotechnology / Bio & Medicine
Nov 14, 2010 |
4.8 / 5 (22) |
3
|
New type of extra-chromosomal DNA discovered
(PhysOrg.com) -- A team of scientists from the University of Virginia and University of North Carolina in the US have discovered a previously unidentified type of small circular DNA molecule occurring outside ...
Mar 09, 2012 |
4.8 / 5 (21) |
9
|
Correcting a trick of the light brings molecules into view
Conventional wisdom holds that optical microscopy can't be used to "see" something as small as an individual molecule. But as it is wont, clever science has once again overturned conventional wisdom. Secretary ...
Jul 14, 2010 |
5 / 5 (20) |
1
|
Researchers create self-assembling nanodevices that move and change shape on demand
By emulating nature's design principles, a team at Harvard's Wyss Institute for Biologically Inspired Engineering, Harvard Medical School and Dana-Farber Cancer Institute has created nanodevices made of DNA that self-assemble ...
Nanotechnology / Bio & Medicine
Jun 22, 2010 |
4.9 / 5 (20) |
1
|
Researchers create the first artificial neural network out of DNA
Artificial intelligence has been the inspiration for countless books and movies, as well as the aspiration of countless scientists and engineers. Researchers at the California Institute of Technology (Caltech) ...
Jul 20, 2011 |
4.7 / 5 (19) |
13
|
First step toward electronic DNA sequencing: Translocation through graphene nanopores
Researchers at the University of Pennsylvania have developed a new, carbon-based nanoscale platform to electrically detect single DNA molecules.
Nanotechnology / Nanomaterials
Jul 26, 2010 |
4.4 / 5 (18) |
1
|
Powerful genome barcoding system reveals large-scale variation in human DNA
(PhysOrg.com) -- Genetic abnormalities are most often discussed in terms of differences so miniscule they are actually called "snips" — changes in a single unit along the 3 billion that make up the entire string of human ...
May 31, 2010 |
4.9 / 5 (16) |
2
|
Graphene may hold key to speeding up DNA sequencing
September 9, 2010 - In a paper published as the cover story of the September 9, 2010 Nature, researchers from Harvard University and MIT have demonstrated that graphene, a surprisingly robust planar sheet ...
Nanotechnology / Nanomaterials
Sep 10, 2010 |
4.8 / 5 (16) |
0
|
