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Chemistry World July 25, 2011 Simon Hadlington |
Glucose Meter Adapted to Detect a Range of Targets A common test used worldwide by millions of people with diabetes could be adapted to detect and measure almost any target molecule including drugs, environmental toxins and disease markers. |
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 July 25, 2011 Harriet Brewerton |
DNA Toxic Gas Detector Scientists in the US have developed a sensitive and simple sensor that could be used to detect toxic gases occurring in urban areas. |
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 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 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 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 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. |
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 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. |
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, 2012 Erica Mills |
Lighting the way to explosive detection A mesoporous material functionalized with aggregation-induced emission luminogens serves as an efficient and recyclable fluorescent sensor to detect picric acid in water. |
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 January 16, 2008 Michael Gross |
Chemists Tame the Uranyl Ion UK chemists have devised a 'trap' in which to catch and modify the predominant form of uranium. |
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. |
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. |
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 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 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 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 February 27, 2006 Katharine Sanderson |
Future Applications for CO Blue-Skies Surprise A catalytic system to turn carbon monoxide into fine-chemicals feedstocks could be developed within months, say researchers. The system would alleviate pressure on dwindling crude oil supplies, they predict. |
Chemistry World June 9, 2011 Harriet Brewerton |
Sensitive sugar sensor US scientists have designed a calorimetric sensor as a point-of-care diagnostic instrument that can detect low levels of glucose compared to similar sensors. |
Chemistry World March 28, 2011 Simon Hadlington |
Precursor boost for uranium chemistry The study of uranium chemistry should become significantly easier thanks to researchers in the US who have discovered a simple way to make key precursors to a wide range of low valency uranium compounds. |
Chemistry World June 28, 2012 Jennifer Newton |
Extracting nuclear energy from seawater It's estimated that there's more than 4.5 billion tons of uranium in the ocean. US scientists have used a ligand that can form a complex with a uranyl ion to enable uranium to be extracted from seawater. |
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 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. |
Chemistry World March 2, 2010 Anna Lewcock |
New high tech nuclear lab for EU A new state-of-the-art facility in Germany will significantly boost Europe's ability to identify and characterise minute traces of nuclear material as part of ongoing safeguarding and non-proliferation activities. |
Chemistry World April 5, 2007 Simon Hadlington |
Chemical Probe Seeks Out DNA Damage Researchers have developed a novel way to detect damage on DNA. The finding could open the way to a new toolkit of molecular probes to investigate the impact of chemical modifications on DNA, potentially providing insights into the way that mutations in DNA can result in cancers. |
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. |
Reactive Reports Apr/May 2005 David Bradley |
At Last, the Structure of DNA Researchers have made a significant advance in our understanding of life's main molecule, using X-ray crystallography to determine the three-dimensional structures of nearly all the possible sequences of a macromolecule. |
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. |
National Defense March 2012 Eric Beidel |
Plant DNA May Protect Military Supply Chain New York-based Applied DNA Sciences is working with the Defense Logistics Agency to use the hereditary traits of plants to keep parts that have been tampered with out of military electronic systems. |
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. |
Reactive Reports Issue 71 David Bradley |
DNA Nanorings A simple approach to making rigid DNA nanorings with tailor-made functionality has been developed by Michael Famulok and his team |
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 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. |
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 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. |
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 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 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. |
Reason August 2002 Charles Paul Freund |
DNA Dough-Re-Mi A pretty girl may be like a melody, but the music of her DNA could have biotech companies whistling all the way to the bank. An executive at Maxygen, a California biotech firm, has suggested that if DNA sequences were converted to digital music they could be copyrighted as works of art. |
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. |
IEEE Spectrum August 2007 Simon A. Cole |
Double Helix Jeopardy DNA databases help solve crimes but some say they also aid and abet racial discrimination. Can there be a compromise between the desire for privacy and the need for crime control? |
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. |