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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 2012 |
DNA motors on With the relentless rise of DNA nanotechnology's popularity, Emma Davies explores the role chemistry has played in its success |
Chemistry World February 8, 2012 Jon Evans |
DNA walker strides towards the light DNA molecules are now able to enjoy a stroll in the sunshine, thanks to US and Chinese chemists who have developed the first light-powered DNA walker. |
Chemistry World May 15, 2006 Jon Evans |
Selective DNA Crystals A molecular biologist has developed a molecular sieve using a DNA crystal with nanoscale channels. |
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 December 9, 2015 Matthew Gunther |
Speedy DNA nanomachines are on a roll Scientists in the US have developed a DNA roller that is 1000 times faster than most synthetic DNA-based motors and can also pinpoint single mutations. |
Chemistry World January 30, 2011 Mike Brown |
Electrons charge down DNA molecular wire US researchers have shown for the first time that a 34nm long DNA strand can be used as a molecular wire to conduct electricity. |
Chemistry World October 10, 2010 Andy Extance |
DNA strides into organic synthesis US scientists have used a DNA walker to synthesise an organic molecule in a series of steps, without intervention, for the first time. |
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. |
Chemistry World March 15, 2010 James Urquhart |
All aboard the DNA nanotube Cargo-carrying DNA nanotubes that can rapidly release their load on demand have been made for the first time by Canadian researchers. |
HHMI Bulletin Feb 2011 |
DNA Curtains How proteins behave in such a crash test gives scientists data about their structural integrity, how they attach to DNA, and how they behave in a cell. |
Bio-IT World October 9, 2002 Salvatore Salamone |
Calculating with DNA Scientists have demonstrated that DNA computers can solve complex problems, but the verdict is out on whether they will ever become practical. |
Chemistry World May 6, 2009 Phillip Broadwith |
Nano-boxes from DNA origami Danish researchers have made a nano-sized box out of DNA that can be locked or opened in response to 'keys' made from short strands of DNA. |
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. |
Chemistry World February 28, 2010 Jon Cartwright |
Reactions on DNA origami watched with AFM Chemists in Denmark have for the first time imaged chemical reactions on a DNA origami scaffold so that they can precisely attach single molecules, involving atomic force microscopy. |
Chemistry World October 19, 2009 Simon Hadlington |
DNA stretching mystery solved A detailed understanding of the elastic properties of DNA can give scientists key insights into interactions of DNA and the proteins that carry out these manipulations. |
Chemistry World January 12, 2015 Emma Stoye |
DNA origami makes moving machines Carlos Castro's group at Ohio State University, US has engineered DNA 'machines' that can open and close like hinges, as well as perform more complicated movements in three dimensions |
Chemistry World October 3, 2010 Manisha Lalloo |
DNA origami with a twist Researchers in the US have designed and synthesised a nanoscale Mobius strip out of DNA origami. |
Chemistry World November 17, 2010 Jon Cartwright |
DNA origami meets low-cost lithography Chemists in the US have developed an easy way to integrate the 'bottom up' assembly of DNA origami with the 'top down' patterning of low cost lithography. |
Reactive Reports Issue 54 David Bradley |
Hula-Hoop DNA Amplification Periodic nanostructures made of gold nanoparticles and long DNA strands with repeated sequences have been prepared by using a technique known as "rolling circle amplification" or the "hula-hoop" technique. |
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 August 27, 2003 Kimberly Patch |
DNA plays tic-tac-toe In addition to its natural role as the blueprint of life, DNA has been tapped to compute and to form nanoscale machines. A new type of DNA logic is aimed at marrying these artificial functions to make control circuits for nano machines. The first result is an unbeatable tic-tac-toe player. |
Chemistry World July 15, 2008 |
Raman Reveals DNA in Action Researchers at the University of Strathclyde, UK, have been able to use Raman spectroscopy to observe strands of DNA pairing up and falling apart by attaching them to silver nanoparticles. |
Chemistry World February 17, 2012 Jon Cartwright |
DNA Nanorobots Seek and Destroy Disease Researchers have created a DNA-based nanorobot that can work its way through cell cultures, delivering cargo only at specific targets. |
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. |
Chemistry World January 31, 2008 Michael Gross |
A DNA Crane for Molecular Building Sites Researchers in Germany have developed a DNA-based crane that can pick up molecules from a depot and deposit them precisely at a target site. |
Chemistry World November 16, 2006 Simon Hadlington |
Gene-Reading Enzyme Catapulted by Scrunch Power Two teams of researchers have solved a conundrum that has baffled molecular biologists for 20 years -- how the enzyme responsible for `reading' genes can release itself from the portion of DNA to which it initially binds extremely tightly. |
Technology Research News April 7, 2004 |
DNA folds into paired pyramids Researchers from the Scripps Research Institute have formed strings of DNA that spontaneously fold into a wireframe octahedron, taking a step forward in the quest to use DNA to make nanoscale templates. |
Chemistry World January 2010 Philip Ball |
Welcome to the machine Molecular machines have promised so much but are they more whimsical than technical? |
Technology Research News March 24, 2004 |
DNA has nano building in hand Researchers from Ludwig Maximilians University in Germany have built a simple molecular machine from DNA that can bind to and release single molecules of a specific type of protein. |
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 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. |
Chemistry World July 4, 2010 Hayley Birch |
DNA sticks at flick of switch A new technique that sticks individual DNA molecules to a gold surface works at the flick of an electrochemical switch. |
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. |
Chemistry World February 3, 2010 Lewis Brindley |
DNA origami goes large US researchers have found a way to scale up DNA origami into larger structures by using 'tiles' instead of 'staples' to pin them in place. |
Chemistry World January 5, 2016 Simon Hadlington |
Molecular robot opens the way to nano-assembly lines UK chemists have devised a nanoscale robot that can grasp a cargo molecule, pick it up, place it in a new position some distance away and release it. |
Chemistry World October 7, 2011 Sarah Farley |
Detecting diseases with DNA sensors DNA sensors detect pathogenic and genetic diseases by binding to target DNA strands that are related to the disease and giving a signal that shows how much of the DNA is present. |
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. |
Chemistry World January 3, 2013 Laura Howes |
Hunted becomes the hunter in DNA ecosystem Scientists in Japan have modelled a biological ecosystem containing a predator and a prey using nothing more than short pieces of DNA. The 'striking' similarity between the molecular system and biological ecosystems suggests a new use for these biochemical oscillators. |
Chemistry World February 4, 2008 Richard Van Noorden |
DNA Cages Change Size on Demand Scientists have designed dynamic DNA cages which expand or contract on demand -- and could be used to deliver drugs, or be the moving parts of nanomachines. |
Chemistry World December 11, 2012 Phillip Broadwith |
Seeing the helix of DNA Italian scientists have developed a technique to improve the contrast of electron microscopy images of DNA fibers. |
Chemistry World January 30, 2008 Jonathan Edwards |
DNA Helps Nanoparticles Crystallize Two papers in Nature have each shown a simple way to build designer crystals from nanoparticles, using DNA as 'glue'. Both methods show promise as a cheap way of mass-producing complex materials like photonic crystals. |
Chemistry World September 17, 2012 Ian Le Guillou |
Raising the curtain on single-stranded DNA Scientists have created microfluidic devices containing single-stranded DNA 'curtains' for the first time, allowing scientists to study its interactions with proteins in real time. |
CIO June 1, 2003 Bob Violino |
Powerful DNA Portable computer vendors like to boast about their small and lightweight devices. But their best efforts are nothing compared with programmable molecular computing machines composed of an enzyme and DNA molecules. |
Technology Research News August 10, 2005 |
DNA process stamps patterns DNA's ability to connect matching strands is at the heart of a stamp that promises to bring mass production to the nanoscale. |
Technology Research News October 22, 2003 Kimberly Patch |
DNA forms nano waffles A method for stitching together strands of DNA yields microscopic waffled sheets and ribbons. The nanostructures make handy building materials that could help bridge the huge technological chasm between the realm of molecules and the merely microscopic. |
Chemistry World September 2, 2009 Nina Notman |
Designing 3D DNA crystals US scientists have found that DNA triangles can be designed to self-assemble into three dimensional, macro-sized crystals. |
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'. |
PC World February 1, 2002 Kuriko Miyake |
Olympus Unveils DNA Computer Rather than relying on a microprocessor, computer runs on reactions between fragments of DNA... |
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. |