News tagged with strand dna
Control of gene expression: Histone occupancy in your genome
When stretched out, the genome of a single human cell can reach six feet. To package it all into a tiny nucleus, the DNA strand is tightly wrapped around a core of histone proteins in repeating units—each ...
Apr 30, 2012 |
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Rapid method of assembling new gene-editing tool could revolutionize genetic research
Development of a new way to make a powerful tool for altering gene sequences should greatly increase the ability of researchers to knock out or otherwise alter the expression of any gene they are studying. The new method ...
Apr 09, 2012 |
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Tiny reader makes fast, cheap DNA sequencing feasible
Researchers have devised a nanoscale sensor to electronically read the sequence of a single DNA molecule, a technique that is fast and inexpensive and could make DNA sequencing widely available.
Nanotechnology / Bio & Medicine
Mar 26, 2012 |
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Video games lead to new paths to treat cancer, other diseases
The cure for cancer comes down to this: video games.
Feb 16, 2012 |
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Genes linked to cancer could be easier to detect with liquid lasers
Using a liquid laser, University of Michigan researchers have developed a better way to detect the slight genetic mutations that might predispose a person to a particular type of cancer or other diseases.
Chemistry / Analytical Chemistry
Jan 31, 2012 |
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Study uncovers how DNA unfolds for transcription
(PhysOrg.com) -- The human genome contains some 3 billion base pairs that are tightly compacted into the nucleus of each cell. If a DNA strand were the thickness of a human hair, the entire human genome would ...
Jan 17, 2012 |
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Reading life’s building blocks: Researchers develop tools to speed DNA sequencing
Scientists are one step closer to a revolution in DNA sequencing, following the development in a Harvard lab of a tiny device designed to read the minute electrical changes produced when DNA strands are passed ...
Nanotechnology / Bio & Medicine
Jan 06, 2012 |
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Scientists create first 3-D map of human genome
(PhysOrg.com) -- For the first time, scientists have developed a method for generating accurate three-dimensional models of the entire DNA strand of a cell, known as a genome.
Jan 04, 2012 |
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When inflexibility is counterproductive: Mechanism of UV-induced DNA Dewar lesion revealed
Excessive exposure to ultraviolet (UV) radiation of sunlight can result in skin damage and may even induce skin cancers. Irradiation with UV light causes mutations in the DNA, which can interfere with or even inhibit the ...
Nov 28, 2011 |
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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
Nov 03, 2011 |
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Researchers fabricate DNA strands on a reusable chip, fold them into novel nanostructures
In the emerging field of synthetic biology, engineers use biological building blocks, such as snippets of DNA, to construct novel technologies. One of the key challenges in the field is finding a way to quickly and economically ...
Nanotechnology / Bio & Medicine
Oct 31, 2011 |
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Physicists say nanoparticle assembly is like building with LEGOs
New processes that allow nanoparticles to assemble themselves into designer materials could solve some of today's technology challenges, Alex Travesset of Iowa State University and the Ames Laboratory reports ...
Oct 13, 2011 |
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For unzipping DNA mysteries -- literally -- physicists discover how a vital enzyme works
With an eye toward understanding DNA replication, Cornell researchers have learned how a helicase enzyme works to actually unzip the two strands of DNA.
Sep 18, 2011 |
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A $1000 genome could be reached by 2013
(PhysOrg.com) -- A new report published in the journal Nature describes the new machine created by Jonathan Rothberg of Ion Torrent Systems which uses semiconductors to decode DNA and takes them one step c ...
Jul 21, 2011 |
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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 |
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