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Chemistry World May 7, 2014 Emma Stoye |
Bacterium survives unnatural DNA transplant The first organism that can grow and replicate with an unnatural base pair in its DNA -- giving the cell six nucleotides instead of the usual four -- has been created by scientists in the US. |
Chemistry World May 15, 2014 |
It's life, but not as we know it A US team at The Scripps Research Institute in California, has unveiled the first living Escherichia coli cells with non-natural base pairs in their DNA. |
Chemistry World October 8, 2013 Hayley Birch |
RNA mimic destined for synthetic genome US scientists have taken another step towards the goal of creating self-replicating molecules like those thought to have spawned life on Earth. The researchers made RNA-like polymers capable of copying short sections of genetic code that they suggest could act as genomes in synthetic cells. |
Chemistry World April 19, 2012 Andy Extance |
Polymers perform non-DNA evolution Scientists have found that six polymer alternatives to DNA can pass on genetic information, and have evolved one type to specifically bind target molecules. |
Chemistry World April 3, 2008 Lewis Brindley |
DNA Read in a Trice The prospect of treatments that are tailored to fit an individual's genetic makeup is a step closer thanks to technology unveiled by US scientists. |
Science News September 21, 2002 Ivars Peterson |
DNA's Error-Detecting Code Chemist Donall A. Mac Donaill of Trinity College in Dublin, Ireland, has now shown that patterns inherent in the chemical makeup of DNA correspond to a digital error-detecting code. |
Chemistry World March 4, 2015 Thadchajini Retneswaran |
Computational chemists unpick adenine -- thymine bias A chemical model has been created to investigate the evolution of guanine -- cytosine coding regions and found that certain spontaneous mutations are more likely to arise at specific regions of DNA. |
Chemistry World July 4, 2008 Emma Davies |
Creating a Second Genetic Code Japanese researchers have made artificial DNA that acts like the real thing, even forming right-handed duplexes with complementary artificial strands. |
Technology Research News February 11, 2004 |
Scientists brew tree-shaped DNA Researchers from Cornell University have synthesized a new type of DNA that can be used as a nanotechnology building block. |
Chemistry World March 8, 2010 Lewis Brindley |
Molecular midwives helped birth of DNA 'Molecular midwives' - are compounds that played a crucial role in combining small nucleotide fragments into the first genetic polymeric material. |
Technology Research News September 24, 2003 |
Glow shows individual DNA Researchers have made a type of artificial DNA of that glows when it combines with a specific sequence of natural DNA. In principle, the method could be used to develop DNA chips that directly sense individual DNA molecules. |
Chemistry World July 15, 2011 Laura Howes |
Cyclodextrin Dimer Becomes Synthetic Polymerase Chemists have made an artificial polymerase that doesn't need a metal catalyst or organic solvents and is more efficient than current bioinspired approaches. |
IEEE Spectrum August 2012 Emily Waltz |
Reading and Writing a Book With DNA Researchers are storing digital information in the form of DNA, but is it practical? Which will get us control of massively large data: electronic or molecular memory? |
Chemistry World March 1, 2011 Catherine Bacon |
Unravelling chromosomes Danish scientists have used a micro device to isolate centimetre-long portions of human DNA to help study the genetic make-up of diseased cells. |
Technology Research News August 22, 2005 |
DNA Technologies The versatile DNA molecule has proven to be a powerful technological building block. Researchers have developed ways of combining DNA molecules that allow them to carry out computations in test tubes and create two-dimensional patterns and three-dimensional structures at the nanoscale. |
Technology Research News June 15, 2005 Kimberly Patch |
DNA Machine Links Molecules Researchers have fashioned a nanomechanical device from DNA that can be programmed to align a series of molecules and fuse them together. The technique could potentially be used to put together designer polymers, encrypt information, and carry out computations. |
Chemistry World October 19, 2015 Matthew Gunther |
The house that DNA built The 2015 chemistry Nobel prize was awarded to Tomas Lindahl, Paul Modrich and Aziz Sancar for DNA repair. |
Chemistry World January 30, 2014 Anthony King |
Unnatural DNA links click for faster synthesis Human cells can still read strands of DNA correctly if they are stitched together using linkers not found in nature, a new study shows. |
Science News April 8, 2000 Ivars Peterson |
Hiding in DNA ...This use of DNA molecules to hide secret messages won Viviana I. Risca of Paul D. Schreiber High School in Port Washington, N.Y., the top prize at this year's Intel Science Talent Search... |
Technology Research News May 5, 2004 Kimberly Patch |
DNA Bot Targets Cancer Researchers from Israel have constructed a molecular-size computer that is programmed to find signs of cancer cells, and when they are present, dispense DNA molecules designed to eradicate those cells. |
Chemistry World September 23, 2009 Simon Hadlington |
Direct route to RNA sequences Scientists in the US appear to have cracked a major problem in molecular biology: how to sequence single molecules of RNA directly. |
Technology Research News November 3, 2004 Kimberly Patch |
DNA in nanotubes sorts molecules Researchers have made a synthetic membrane that recognizes certain biochemical molecules and allows them to pass through. The method could be used to make biological sensors like those needed for genetics research, and to sort biological molecules, |
Technology Research News December 29, 2004 |
DNA Makes and Breaks Particle Clumps Nanotechnology is all about manipulating materials on the molecular scale. Many teams of researchers are using artificial strands of DNA to do so. |
Technology Research News December 15, 2004 |
DNA Makes Nanotube Transistors Researchers have harnessed the self-assembly abilities of DNA to construct field-effect transistors from carbon nanotubes. |
Technology Research News September 24, 2003 |
Artificial DNA stacks metal atoms In recent years, researchers have replaced some of DNA's natural bases with those that attach to metal atoms in order to coax DNA to organize metal ions into tiny structures. Researchers in Japan have tapped the method to form stacks of single metal ions. |
Technology Research News August 25, 2004 |
DNA Copier Uses Little Power Today's laboratory DNA detectors require a lot of energy. Researchers have devised a method that copies the way DNA is replicated biologically in order to avoid the energy-intensive heating and cooling process. |
Technology Research News December 3, 2003 Kimberly Patch |
DNA assembles nanotube transistor Scientists have caused a transistor to self-assemble from a test tube concoction of DNA, proteins, antibodies, carbon nanotubes and minuscule specks of silver and gold. The feat shows that it is possible to assemble the smallest of machines and electronic devices by harnessing DNA's properties. |
Chemistry World June 30, 2011 Laura Howes |
Chemically evolved bacteria European scientists have created an Escherichia coli strain with a separate genome using chlorinated DNA. |
Chemistry World January 20, 2011 James Urquhart |
SNPs on display DNA origami and atomic force microscopy have been combined to reliably detect and image single nucleotide polymorphisms, the most common form of genetic variation in the human genome. |
IEEE Spectrum March 2011 Lucks & Arkin |
Synthetic Biology's Hunt for the Genetic Transistor How genetic circuits will unlock the true potential of bioengineering |
BusinessWeek October 23, 2008 |
The Story in Your Genes There's tremendous value in genetic data, but it depends on how deeply you look. |
Technology Research News April 23, 2003 Kimberly Patch |
DNA motor keeps cranking Researchers have been making DNA perform all sorts of shape-changing tricks in recent years, but the need to add pieces of DNA at every step has made it a bit of a stretch to call these molecules motors. A method that keeps the process humming changes things. |
Reactive Reports Apr/May 2005 David Bradley |
At Last, the Structure of DNA Researchers have made a significant advance in our understanding of life's main molecule, using X-ray crystallography to determine the three-dimensional structures of nearly all the possible sequences of a macromolecule. |
Technology Research News June 29, 2005 |
Self-assembly: the natural way to make things In biology, there are a few different ways DNA molecules can be replicated and combined. |
Chemistry World January 2012 |
DNA motors on With the relentless rise of DNA nanotechnology's popularity, Emma Davies explores the role chemistry has played in its success |
Wired January 2005 Oliver Morton |
Life, Reinvented A group of MIT engineers wanted to model the biological world. But, damn, some of nature's designs were complicated! So they started rebuilding from the ground up - and gave birth to synthetic biology. |
Technology Research News January 12, 2005 Kimberly Patch |
DNA Scheme Builds Computers Researchers have devised a pair of computer architectures that would be built from self-assembling DNA. |
Chemistry World June 4, 2008 Simon Hadlington |
Man-made protocell hosts DNA synthesis US researchers have taken a step towards creating a synthetic cell in the laboratory that could resemble the first primitive stirrings of life on Earth. |
Chemistry World August 2007 Philip Ball |
Opinion: The Crucible The twist on DNA |
Scientific American November 2007 Ed Regis |
The Forgotten Code Cracker In the 1960s Marshall W. Nirenberg deciphered the genetic code, the combination of the A, T, G and C nucleotides that specify amino acids. So why do people think that Francis Crick did it? |
Technology Research News July 2, 2003 Kimberly Patch |
DNA makes nano barcode Sheets of DNA that form a barcode pattern could make reading answers generated from DNA computing a lot easier. The method may also make it possible to construct electronics components molecule-by-molecule. |
Science News March 25, 2006 Janet Raloff |
Meat Poses Exaggerated Cancer Risk for Some People The National Toxicology Program confirmed that heterocyclic amines that form in overcooked meat can trigger colon cancer in animals and probably do the same in people. |
IEEE Spectrum April 2005 Prachi Patel Predd |
Riding Life's Twists and Turns How a strand of DNA launched the co-founder of Nanogen's career in the technology behind DNA microarrays. |
Chemistry World June 18, 2009 Lewis Brindley |
Chemical speed-dating even faster Researchers in the US have adapted a DNA amplification technique to develop a simpler way to rapidly screen chemical reactions. |
Technology Research News November 3, 2004 Smalley & Patch |
DNA Machines Take a Walk Researchers working to form nanoscale machines and materials are increasingly tapping into nature's building blocks. |
Chemistry World January 8, 2012 David Bradley |
The TNA world that came before the RNA one Once it was recognised that DNA is key to the molecular self-replication that underpins life, chemists have sought to understand the origins of this double-helical molecule in that primordial age. |
PC Magazine July 13, 2005 John R. Quain |
DNA Printing Press A group of scientists believes it has an inexpensive nanoprinting technique that could lead to the mass production of DNA-based chips that could revolutionize disease detection. |
Chemistry World February 22, 2009 Phillip Broadwith |
Reading DNA Base by Base A technique to electrically detect individual DNA bases cut from a single strand of DNA has been developed by researchers in the UK. |
Chemistry World November 29, 2010 James Mitchell Crow |
DNA readers ratchet closer Rapid, cheap DNA sequencing has just edged a step closer, thanks to a new technique to control the motion of single DNA strands as they pass through a protein nanopore 'reader'. |
Scientific American June 2005 JR Minkel |
RNA to the Rescue The spectacular discovery that a species of plant can summon up genes its parents have lost highlights biologists' increasing recognition of RNA as a more versatile and important molecule in its own right. |