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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 July 22, 2011 Kate McAlpine |
Self-assembling DNA structures carve out a niche Researchers have used DNA nanostructures to create raised ridges and tiny trenches in silicon dioxide using an etching technique. |
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. |
InternetNews August 17, 2009 |
IBM Looks to DNA for Chip-Building Tech Joint research with Caltech yields some astonishing results in the realm of nanoscale semiconductor components. |
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 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 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 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. |
Chemistry World October 9, 2014 James Urquhart |
Designer nanoparticles cast in DNA molds German researchers have developed a DNA origami approach to produce custom-made inorganic nanoparticles with programmable, pre-designed shapes. |
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 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 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 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. |
Chemistry World August 6, 2009 Hayley Birch |
Nanoscale tools from DNA origami US scientists have demonstrated a nanoconstruction approach that allows the creation of self-assembling DNA 'origami' folded in an array of different shapes, from bent rods to toothed gears. This opens new possibilities for engineering nanoscale tools and devices. |
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. |
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. |
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. |
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. |
Industrial Physicist |
Biomimetic Nanotechnology Although biomimetic nanotechnology is in its infancy, with no applications yet reaching commercialization, the barriers in some cases lie mainly in scaling up production processes to industrial levels. |
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, 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. |
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 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 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 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 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 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. |
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. |
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. |
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 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. |
Chemistry World March 2010 |
News in brief Updates on hydrogels, DNA origami, graphene transistors, the European Research Council, and other science news. |
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. |
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 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 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 October 8, 2009 Lewis Brindley |
IBM Enters Race for $1000 Genome Computer giant IBM is bringing its electronics expertise to biotechnology, and entering the race to map the human genome for less than $1000. |
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 December 18, 2009 Nina Notman |
Cutting edge chemistry in 2009 We review the ground-breaking research and important trends of the year's published chemical science papers. |
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 January 24, 2013 Laura Howes |
Shall I compare thee to a strand of DNA? For billions of years DNA has been life's data storage medium. Now, scientists have used DNA to code and store their media and information, from all of Shakespeare's sonnets to an audio recording of Martin Luther King's 'I have a dream' speech. |
Chemistry World August 9, 2012 Jon Cartwright |
'Genetic code' guides nanoparticle growth Researchers in the US and China have demonstrated that DNA can also be used as a blueprint for the creation of non-biological structures. Their 'genetic code' could pave the way for tailored nanoparticles -- fit for use as catalysts, or in surface-enhanced Raman spectroscopy. |
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 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 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. |
Technology Research News February 25, 2004 |
Nanowires spot DNA mutation Nanowire sensors could eventually be built into labs-on-a-chip that could be used for medical diagnostics and pathogen detection in the field, and for drug discovery. |
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 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. |
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 May 15, 2006 Jon Evans |
Selective DNA Crystals A molecular biologist has developed a molecular sieve using a DNA crystal with nanoscale channels. |