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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 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. |
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 January 12, 2005 |
RNA Tiles Form Nanopatterns Researchers have developed a method of coaxing artificial RNA molecules to self-assemble into specific shapes, much like a jigsaw puzzle automatically assembling. The structures could eventually be used as templates for nanochips, nanocircuits and nanocrystals |
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 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 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 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 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. |
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 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 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 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 |
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. |
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, |
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. |
Technology Research News July 28, 2004 |
Chemistry yields DNA fossils The technique could be used to make nanoscale containers, wires, patterns, and chemical catalysts. |
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 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 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 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. |
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. |
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 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 November 29, 2012 David Bradley |
Lego-like DNA bricks are child's play DNA building blocks have been pieced together to form a multitude of Lego-like bricks by researchers at Harvard University and Massachusetts Institute of Technology in the US. |
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 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. |
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. |
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 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 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. |
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 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 August 23, 2011 Josh Howgego |
Expanded genetic alphabet could spell out new genes Chemists have created an artificial genetic code capable of evolving to produce new genes. The code consists of six bases, rather than the standard four, and could form the basis of randomly mutating synthetic life. |
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 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. |
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. |
Science News April 24, 2004 |
DNA Day An ivitation to commemorating the completion of the Human Genome Project in 2003 and the description of DNA's structure as a double helix in 1953. |
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 May 15, 2006 Jon Evans |
Selective DNA Crystals A molecular biologist has developed a molecular sieve using a DNA crystal with nanoscale channels. |
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. |
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. |
Science News January 19, 2002 Ivars Peterson |
Computers by the Trillions A team of computer scientists and biochemists have demonstrated how a test tube of DNA molecules can compute on its own. |
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... |
PC Magazine December 24, 2003 |
Bits & Bytes (v23n1) Scientists at the Technion-Israel Institute of Technology have used DNA to create a self-assembling nanoscale transistor... 125 Internet crime suspects arrested in November... |
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 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. |
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. |
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. |