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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. |
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. |
Chemistry World June 13, 2012 Elinor Hughes |
Paper and plastic HIV test A DNA test to detect HIV in infants in resource-poor countries is a step closer, thanks to a technique to amplify DNA samples developed by US scientists. |
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 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. |
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. |
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. |
Chemistry World February 4, 2011 Holly Sheahan |
Crime scene DNA testing on the move A microfluidic chip that can come up with a DNA profile in less than three hours has been designed by US scientists for use at crime scenes. |
Chemistry World July 21, 2011 James Mitchell Crow |
Sequencing Chip Decodes DNA Proton by Proton Technology that can directly detect the chemical reaction as a single nucleotide adds to the end of a growing strand of DNA is about to slash the cost of genome sequencing, its inventors say. |
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 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'. |
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 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. |
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 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 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. |
Chemistry World October 7, 2011 Sarah Farley |
Detecting diseases with DNA sensors DNA sensors detect pathogenic and genetic diseases by binding to target DNA strands that are related to the disease and giving a signal that shows how much of the DNA is present. |
Chemistry World January 31, 2008 Michael Gross |
A DNA Crane for Molecular Building Sites Researchers in Germany have developed a DNA-based crane that can pick up molecules from a depot and deposit them precisely at a target site. |
Chemistry World May 16, 2007 Tom Westgate |
DNA Photography It is a technology that is fast disappearing in the digital age. But black and white photography is more than an archaic art-form to a team of German chemists who have used it as the basis for a simple method of detecting labeled DNA molecules at attomole levels. |
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 18, 2014 Melissae Fellet |
Molecular computer calculates Ebola diagnosis A molecular computer could one day simplify analysis of biomedical assays like those used to diagnose Ebola, researchers say. |
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. |
Chemistry World November 13, 2015 Cathy Sorbara |
Hitching a ride on DNA In the congested intracellular environment, scientists in the Netherlands and the US have found a way for molecules to maneuver through the crowds and arrive at their destination faster. |
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. |
Technology Research News August 27, 2003 |
Detector senses single DNA Researchers from the University of California at Los Angeles have tapped differences in the folding characteristics of single-stranded and double-stranded DNA to make a sensor capable of detecting a single DNA molecule. |
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 October 24, 2012 |
Less is more for DNA reactions A technique allowing the use of small amounts of DNA for efficient DNA-directed chemistry has been developed by scientists in Germany. |
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. |
Chemistry World November 28, 2014 Matthew Gunther |
DNA survives extreme heat of rocket re-entry DNA can survive the extreme conditions of sub-orbital spaceflight and re-entry. |
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. |
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 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 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. |
Technology Research News June 16, 2004 |
Genes Automate DNA Machines Researchers have taken a step toward automating nanomachines with a method that allows instructions for a DNA-based machine to be contained in a gene, or another stretch of DNA. |
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. |
Chemistry World February 21, 2012 Phillip Broadwith |
Nanopore sequencing bags its first genome Oxford Nanopore has presented the first complete genome to be sequenced using a nanopore. |
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 May 15, 2006 Jon Evans |
Selective DNA Crystals A molecular biologist has developed a molecular sieve using a DNA crystal with nanoscale channels. |
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 February 19, 2009 James Urquhart |
Selective catalyst cracks direct peroxide production A team of UK and US scientists have shown how hydrogen peroxide - an industrially important disinfectant and environmentally-friendly oxidizing agent - can be made directly from oxygen and hydrogen. |
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 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. |
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 March 30, 2012 Russell Johnson |
Miniaturizing disease diagnosis tool South Korean scientists have created a temperature cycle for the on-chip flow-through polymerase chain reaction using a single heater. |
Technology Research News December 3, 2003 Eric Smalley |
Biochip puts it all together Researchers have made all manner of microfluidic machines, but have yet to come up with cheap, mass-producible biochips for handheld medical and environmental testing. A simple plastic chip puts the necessary pieces together. The $7 device tests blood samples for the presence of E. coli bacteria. |
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 January 29, 2003 Kimberly Patch |
Data stored in live cells Every type of storage media -- from stone to paper to magnetic disks -- is subject to destruction. Researchers from Pacific Northwest National Laboratory are tapping forces of nature to store information more permanently. |
Chemistry World October 30, 2014 Emma Stoye |
DNA 'barcodes' used to track food A DNA 'barcode' that can be added directly to food to enable it to be tracked and authenticated as it moves from farm to fork has been developed by scientists in Switzerland. |
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. |
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. |