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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 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 |
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 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. |
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. |
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 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 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 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 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. |
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. |
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 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 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 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 February 11, 2004 |
DNA sorts nanotubes Researchers have come up with a way to use DNA to separate carbon nanotubes by electrical type -- metallic or semi conducting -- and by diameter. A carbon nanotubes's electrical properties and diameter are related. |
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. |
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 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. |
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 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 May 5, 2004 |
Nano Test Tubes Fabricated Researchers have found a way to make minuscule test tubes from carbon and silica nanotubes. |
Technology Research News April 6, 2005 Kimberly Patch |
Programmed DNA Forms Fractal A researcher has showed that it is possible to coax short strands of artificial DNA to spontaneously assemble into a Sierpinski triangle. The ability is a step toward embedding programming instructions in chemical processes. |
Technology Research News June 4, 2003 |
Study shows DNA will fill tubes Researchers from the Max Planck Institute in Germany have shown by computer simulation that it is possible to insert DNA into a carbon nanotube. |
Chemistry World September 21, 2010 Hayley Birch |
Self-pumping membrane mimics cell machinery US researchers have imitated the transport functions of biological membranes by incorporating tiny pumps into synthetic membranes. They say their 'self-pumping' mimics could be used in compartment-less fuel cells. |
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 August 25, 2004 Eric Smalley |
Tools Design DNA-Nanotube Logic Researchers are aiming to make the process of assembling molecular-scale components easier with a suite of computer-aided design tools for designing computer circuits made from carbon nanotubes assembled by DNA. |
Technology Research News March 12, 2003 |
RNA forms nanomotor Researchers from Purdue University have constructed a tiny motor from DNA and RNA molecules. The device, fueled by ATP, which powers our own movements, could eventually power nanomachines. |
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 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. |
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 July 8, 2009 Phillip Broadwith |
DNA gets nanotubes sorted out DNA could be the answer to sorting different kinds of carbon nanotubes, say US researchers. |
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. |
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. |
Technology Research News July 30, 2003 Eric Smalley |
Chip senses trace DNA Handheld detectors could one day allow you to monitor your body for cancer, your water for chemicals, and your food for bacteria. This requires inexpensive electronics that are capable of detecting trace amounts of substances. One candidate is a chip containing DNA-tipped carbon nanotubes. |
Technology Research News December 11, 2002 Kimberly Patch |
DNA prefers diamond DNA is particularly useful for sensing pathogens like those used in biological weapons. The trick to making sensors that can be used in the field may involve attaching strands of DNA to a thin film of diamond, preparing sensors to withstand the rigors of the real world. |
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 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. |
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... |
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 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 July 13, 2009 Lewis Brindley |
Getting a look at water wires Indian chemists have trapped tiny strands of water inside peptide nanotubes - allowing the researchers to take a direct look at how small amounts of water behave in a confined environment. |
Technology Research News September 22, 2004 |
Virus Forms Nano Template Living matter self-assembles into complex organisms that can contain billions of cells, and researchers have tapped biological molecules like DNA and viruses to self-assemble technologically useful structures and materials. |
Chemistry World November 15, 2012 David Bradley |
DNA folds up into a synthetic ion channel An artificial ion channel that spans a synthetic lipid membrane has been created using DNA origami by researchers in Germany and the US. |
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 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 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 November 2006 Bea Perks |
Call That Chemistry? This year's Nobel prize in chemistry was a tour de force for crystallography, underscoring the vital role chemistry plays across the sciences. |
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. |