News tagged with dna molecules
Related topics: dna sequences , molecules , genetic information
DNA as invisible ink can reversibly hide patterns
(PhysOrg.com) -- While most people know of DNA as the building blocks of life, these large molecules also have potential applications in areas such as biosensing, nanoparticle assembly, and building supramolecular ...
Nanotechnology / Bio & Medicine
Jan 23, 2012 |
4.3 / 5 (8) |
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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) |
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Where no lab has gone before: Single-Molecule Electrokinetic Traps
(PhysOrg.com) -- To study the behavior of large protein complexes and long DNA chains in solution, researchers use so-called molecular traps. However, earlier traps have proven ineffective when working with s ...
May 25, 2011 |
5 / 5 (7) |
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Researchers turn photons into work using DNA
(PhysOrg.com) -- By using light to change the elasticity of a DNA molecule, scientists have designed a molecular motor that can turn light into mechanical work. Unlike most previously reported molecular motors, ...
Mar 10, 2011 |
4.7 / 5 (15) |
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Researchers demonstrate possible primitive mechanism of chemical info self-replication
(Phys.org) -- When scientists think about the replication of information in chemistry, they usually have in mind something akin to what happens in living organisms when DNA gets copied: a double-stranded molecule ...
May 25, 2012 |
4.7 / 5 (6) |
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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) |
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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) |
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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) |
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Two-step technique makes graphene suitable for organic chemistry
The future brightened for organic chemistry when researchers at Rice University found a highly controllable way to attach organic molecules to pristine graphene, making the miracle material suitable for a ...
Nanotechnology / Nanomaterials
Nov 29, 2011 |
4.8 / 5 (8) |
4
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One electron could be key to furture drugs that repair sunburn
Researchers who have been working for nearly a decade to piece together the process by which an enzyme repairs sun-damaged DNA have finally witnessed the entire process in full detail in the laboratory.
Jul 25, 2011 |
4.9 / 5 (9) |
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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 |
4.7 / 5 (19) |
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Laser, electric fields combined for new 'lab-on-chip' technologies
(PhysOrg.com) -- Researchers are developing new technologies that combine a laser and electric fields to manipulate fluids and tiny particles such as bacteria, viruses and DNA for a range of potential applications, ...
Jul 05, 2011 |
5 / 5 (2) |
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Origami: Not just for paper anymore
While the primary job of DNA in cells is to carry genetic information from one generation to the next, some scientists also see the highly stable and programmable molecule as an ideal building material for ...
Nanotechnology / Nanomaterials
Apr 27, 2011 |
4.6 / 5 (5) |
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Scientists observe single gene activity in living cells
Researchers at Albert Einstein College of Medicine of Yeshiva University have for the first time observed the activity of a single gene in living cells. In an unprecedented study, published in the April 22 online edition ...
Apr 21, 2011 |
4.2 / 5 (5) |
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New research reveals details of microbe's extraordinary maintenance and repair system
(PhysOrg.com) -- Scientists have discovered how a network of repair proteins enables bacteria to prioritise the repair of the most heavily used regions of the DNA molecules that carry the instructions necessary ...
Dec 10, 2010 |
4.8 / 5 (6) |
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