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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.
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 August 19, 2009 Hayley Birch	Gold nanoparticles detect cancer Chinese scientists have used gold nanoparticles as ultrasensitive fluorescent probes to detect cancer biomarkers in human blood.
Chemistry World November 27, 2007 James Mitchell Crow	A Flare for Gene Silencing US scientists have developed nanoparticle probes coated with DNA that release fluorescent 'flares' when they silence genes inside cells.
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 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 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.
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 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 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 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 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.
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 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 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 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 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 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 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.
Bio-IT World October 14, 2004 Robert M. Frederickson	Nanosphere Strikes Gold Recently, scientists at Nanosphere developed a colorimetric method for DNA detection that obviates the need for target or signal amplification.
Chemistry World February 22, 2009 Phillip Broadwith	Reading DNA Base by Base A technique to electrically detect individual DNA bases cut from a single strand of DNA has been developed by researchers in the UK.
Chemistry World October 25, 2011 Jon Evans	Carbon nanotubes detect DNA 'flipping out' US chemists have developed a way to detect the chemical modification of a single strand of DNA, by hooking it up to a pair of carbon nanotubes.
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.
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 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 October 17, 2011 Hayley Birch	Quickly sorting cells using DNA A new magnetic cell sorting technique uses principles borrowed from DNA nanodevices. The approach could help scientists rapidly separate different types of cells from complex mixtures.
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 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.
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.
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.
Chemistry World June 12, 2013 Sarah Houlton	No small success Chad Mirkin has been the driving force behind four spin-out nanotechnology companies, and has more than 850 patents to his name. Yet he describes himself as something of an accidental chemist. He is particularly proud of spherical nucleic acids.
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 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 June 25, 2012 Simon Hadlington	Bloody Solution to Electrochemical DNA Sensors US researchers have discovered a way to significantly improve the sensitivity of DNA-based electrochemical sensors by incorporating an inexpensive, robust and stable protein into the system - haemoglobin.
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 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 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 November 25, 2011 Jon Evans	Cancer diagnosis goes for gold Gold nanoparticles could help diagnose a wide range of different cancers by detecting telomerase activity within cells, say Chinese chemists.
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.
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 June 15, 2010 Manisha Lalloo	Colour change test for brain chemicals Chemists in China have devised a system which uses gold nanoparticles to detect glucose in the brain, based on a simple colour change test.
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.
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 April 19, 2012 Andy Extance	Polymers perform non-DNA evolution Scientists have found that six polymer alternatives to DNA can pass on genetic information, and have evolved one type to specifically bind target molecules.
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 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 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 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.