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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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Technology Research News
May 21, 2003
DNA sensor changes color University of Rochester researchers have designed a simple, inexpensive sensor that can detect specific sequences of DNA on-the-fly. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
June 18, 2009
Lewis Brindley
Chemical speed-dating even faster Researchers in the US have adapted a DNA amplification technique to develop a simpler way to rapidly screen chemical reactions. mark for My Articles similar articles
Chemistry World
August 26, 2008
Photonic crystal drug detective A new high-throughput screening system based on photonic crystals could quickly and cheaply detect molecules that disrupt binding between proteins and DNA. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
February 6, 2008
Simon Hadlington
Better Detection of DNA Synthesis Researchers in the US have developed a new way to detect DNA synthesis in living cells by using click chemistry -- the concept of reacting together two 'high energy' molecules that 'click' together efficiently under mild conditions. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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, mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
May 1, 2007
Jessica Ebert
Pocket-sized PCR Machine Scientists in the U.S. report being one step closer to designing a miniaturized, portable PCR machine that could be used for applications such as point-of-care diagnostics. mark for My Articles similar articles
Chemistry World
November 16, 2006
Simon Hadlington
Gene-Reading Enzyme Catapulted by Scrunch Power Two teams of researchers have solved a conundrum that has baffled molecular biologists for 20 years -- how the enzyme responsible for `reading' genes can release itself from the portion of DNA to which it initially binds extremely tightly. mark for My Articles similar articles
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 mark for My Articles similar articles
Chemistry World
March 19, 2007
Jessica Ebert
Pocket-Sized PCR Machine Scientists in the US report being one step closer to designing a miniaturized, portable polymerase chain reaction machine that could be used for applications such as point-of-care diagnostics. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
September 2, 2009
Phillip Broadwith
Shining a light on DNA-binding drugs in living cells German researchers have used standard circular dichroism spectroscopy to probe interactions between drug molecules and DNA within living cells. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
January 20, 2014
Martha Henriques
Fast test classifies meningitis bacteria Researchers in the UK have developed a new method that uses surface enhanced Raman scattering to quickly identify which meningitis causing bacteria is responsible for an infection. mark for My Articles similar articles
Chemistry World
September 8, 2014
Emma Stoye
CPU heat powers PCR disease detection Scientists in the US have devised a new way of carrying out blood tests -- based on a modified computer and camera phone -- that could lower the costs of disease screening in developing countries. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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'. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
July 16, 2009
James Urquhart
New DNA technique sheds light on ancient populations A new sequencing technique that is cheaper and less wasteful has been used to decode and analyse the mitochondrial genomes of five Neanderthal individuals. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles