News tagged with double helices
Paving the way for new single-molecule electrochemical switches
The degree of twisting of natural helical structures, such as the DNA double-helix, plays an essential role in many important biological functions. Because of their twisted architecture, artificial helices ...
Jan 21, 2011 |
5 / 5 (1) |
0
Nanoscale origami from DNA
Scientists at the Technische Universitaet Muenchen (TUM) and Harvard University have thrown the lid off a new toolbox for building nanoscale structures out of DNA, with complex twisting and curving shapes. ...
Nanotechnology / Bio & Medicine
Aug 06, 2009 |
5 / 5 (9) |
2
Covering the bases: Quantum effect may hold promise for low-cost DNA sequencing, sensor applications
A ghostly property of matter, called quantum tunneling, may aid the quest for accurate, low-cost genomic sequencing, according to a new paper in Nature Nanotechnology Letters by Stuart Lindsay and his collab ...
Nanotechnology / Bio & Medicine
Mar 22, 2009 |
4.7 / 5 (9) |
0
Search results for double helices
MAJORANA, the search for the most elusive neutrino of all
(Phys.org) -- In a cavern almost a mile underground in the Black Hills, an experiment called the MAJORANA DEMONSTRATOR, 40 kilograms of pure germanium crystals enclosed in deep-freeze cryostat modules, will ...
May 17, 2012 |
5 / 5 (9) |
17
|
Sonic screwdriver tightens up fundamental physics
When the scriptwriters for Doctor Who imagined a futuristic device, they came up with the Sonic Screwdriver. Now a team of physicists at the University of Dundee have taken equipment designed for MRI-guided focused ultrasound ...
Apr 20, 2012 |
4.9 / 5 (12) |
0
|
Pass the lycopene: Scientist can protect supplements inside food
(PhysOrg.com) -- A Purdue University food scientist has developed a way to encase nutritional supplements in food-based products so that one day consumers might be able to sprinkle vitamins, antioxidants and ...
Mar 26, 2012 |
not rated yet |
0
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
|
Twisting molecules by brute force: A top-down approach
Molecules that are twisted are ubiquitous in nature, and have important consequences in biology, chemistry, physics and medicine. Some molecules have unique and technologically useful optical properties; the medicinal properties ...
Dec 14, 2011 |
5 / 5 (2) |
0
|
Self-replication process holds promise for production of new materials
New York University scientists have developed artificial structures that can self-replicate, a process that has the potential to yield new types of materials. The work, conducted by researchers in NYU's Departments of Chemistry ...
Oct 12, 2011 |
4.9 / 5 (8) |
8
|
DNA strands that select nanotubes are first step to a practical 'quantum wire'
DNA, a molecule famous for storing the genetic blueprints for all living things, can do other things as well. In a new paper, researchers at the National Institute of Standards and Technology (NIST) describe ...
Nanotechnology / Nanomaterials
Aug 03, 2011 |
5 / 5 (7) |
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
|
Researchers decipher protein structure of key molecule in DNA transcription system
Scientists have deciphered the structure of an essential part of Mediator, a complex molecular machine that plays a vital role in regulating the transcription of DNA.
Jul 03, 2011 |
5 / 5 (2) |
3
|
Molecular visual illusion: Aromatic ring system reminiscent of M.C. Escher's Penrose stairs
(PhysOrg.com) -- Who hasn't seen M.C. Escher's famous picture of the stairs that appear to always go up even though they form a closed circle? This tricky visual illusion is also known as a Penrose stair, ...
Jun 10, 2011 |
4.5 / 5 (4) |
2
|
List of search results for double helices
