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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. |
Chemistry World November 16, 2011 Simon Hadlington |
Unlocking the secrets of DNA's stiffness Computational chemists believe they have solved one of the puzzles about the stiffness of DNA: how much of the molecule's rigidity is due to electrostatic forces and how much to its physical structure. |
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. |
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 August 2007 Philip Ball |
Opinion: The Crucible The twist on DNA |
Technology Research News August 27, 2003 |
Detector senses single DNA Researchers from the University of California at Los Angeles have tapped differences in the folding characteristics of single-stranded and double-stranded DNA to make a sensor capable of detecting a single DNA molecule. |
Chemistry World October 31, 2008 Manisha Lalloo |
DNA-rewinding protein discovered US scientists have found an enzyme that rewinds sections of DNA whose strands have mistakenly come apart. |
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 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 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 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 |
HHMI Bulletin February 2012 Sarah C. P. Williams |
Force Factor In the context of cells, forces are required to move molecules. Quantifying these forces gives scientists a way to compare and contrast different molecular motors. |
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 October 13, 2015 Simon Hadlington |
DNA movement through motor proteins measured Researchers have adapted a method for DNA sequencing to measure directly and with exquisite sensitivity the movement of a single molecule of DNA as it is drawn through specialized motor proteins. |
Chemistry World April 18, 2010 Simon Hadlington |
First DNA rotaxane Rotaxanes are dumbbell-shaped molecules encircled by a molecular hoop that can move unhindered along the axle, trapped by the bulky stoppers at either end. These could be useful components in molecular machines. |
Chemistry World February 27, 2006 Michael Gross |
A DNA Switch for RNA Folding Researchers have equipped a large RNA domain with a DNA switch, which they say can fold or unfold the RNA molecule at will. |
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. |
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 November 13, 2015 Cathy Sorbara |
Hitching a ride on DNA In the congested intracellular environment, scientists in the Netherlands and the US have found a way for molecules to maneuver through the crowds and arrive at their destination faster. |
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. |
Chemistry World June 26, 2008 Bea Perks |
Liquid Crystals Stand up for DNA Detection Liquid crystals that realign in response to DNA can reveal subtle sequence alterations, even a single base mutation, report US scientists. |
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 May 12, 2010 Mike Brown |
Molecular robots on nano-assembly lines Teams of automated programmable molecular robots working together on nanoscale assembly lines is one step closer, say scientists in the US. |
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. |
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 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. |
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'. |
Chemistry World April 25, 2006 Jon Evans |
DNA Sequencing Reaches the Space Age The smallest ever DNA sequencer, only 10cm in diameter, comprises a complex network of microscopic pumps, valves, heaters and electrophoresis channels, many of which were initially developed for use in a device to detect life on Mars. |
Technology Research News February 26, 2003 |
DNA forms nano piston DNA is a molecule of many talents. In addition to its biological role of carrying the blueprint to life, it has performed computations and self-assembled into various shapes in the laboratory. Some of those shapes are movable, which paves the way for molecular machines. |
Chemistry World April 14, 2011 Laura Howes |
DNA origami yields tiny flask A US group of researchers has made a round bottomed flask from folded up DNA with an internal capacity of just 24000nm 3, which would be enough to hold 800,000 molecules of water. |
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. |
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 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. |
Technology Research News October 6, 2004 |
Chip spots DNA electrochemically A microelectrochemical method of reading DNA chips could be used in portable detectors. It could be use practically in two to five years, according to the researchers. |
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. |
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 February 4, 2011 Holly Sheahan |
Crime scene DNA testing on the move A microfluidic chip that can come up with a DNA profile in less than three hours has been designed by US scientists for use at crime scenes. |
CIO July 1, 2002 Ben Worthen |
Cellular Processing The latest computer to come out of the University of Southern California isn't newsworthy for its small size or computational power. It's notable because it is made from DNA, the microscopic acids that reside in every cell and are responsible for all life. |
Chemistry World January 11, 2008 John Bonner |
DNA Nanoparticles Detect Gene Expression US scientists have made nanoparticles from DNA that they say could be used to identify the genes being expressed in a single cell. |
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. |
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. |
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 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 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 14, 2011 James Mitchell Crow |
Twist in the tale to improve gene therapy New insights into the physical properties of different forms of DNA could help to improve gene therapy, chemists in Spain and India say. |
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. |
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. |
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. |
Chemistry World April 5, 2007 Simon Hadlington |
Chemical Probe Seeks Out DNA Damage Researchers have developed a novel way to detect damage on DNA. The finding could open the way to a new toolkit of molecular probes to investigate the impact of chemical modifications on DNA, potentially providing insights into the way that mutations in DNA can result in cancers. |
Chemistry World January 20, 2009 Nina Notman |
Raman hope for childless couples A non-invasive way to test the quality of sperm to be use in fertility treatments has been developed by UK scientists. |