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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 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 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 March 2, 2006 Michael Gross |
Chemists Crack Cocaine Detection Researchers, including two high school students and a Nobel laureate, have created a sensitive, easy to use device to detect cocaine and other small molecules. |
Chemistry World April 26, 2009 Simon Hadlington |
Glowing protein in 'animal photosynthesis' Scientists have discovered that a glowing protein found in some exotic marine animals and used widely as a 'marker' in molecular biology has another remarkable property |
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. |
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 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 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 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. |
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 July 30, 2007 Simon Hadlington |
Graphene Sensor Achieves Ultimate Sensitivity An international team of researchers has achieved the ultimate in sensitivity - a gas sensor capable of detecting a single molecule. The sensor is based on graphene, a sheet of carbon a single atom thick. |
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. |
Chemistry World November 27, 2013 Michael Gross |
MEDIC to kick-start personalised medicine revolution A sensor that can continuously monitor the concentration of a drug in the bloodstream is set to help personalized medicine take off. |
Chemistry World August 26, 2008 Fred Campbell |
High-throughput protein microarrays on the way A new method to rapidly generate protein microarrays has been developed by UK researchers at the University of Manchester. |
Chemistry World March 7, 2010 Simon Hadlington |
Solvated electron mystery solved Researchers have answered a riddle that has been puzzling scientists for decades: why is it that electrons in an aqueous environment appear to exist in two distinct states |
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 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 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 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 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 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. |
Bio-IT World April 15, 2003 Robert M. Frederickson |
Protein Chemistry Surfaces Protein chips seek to do for protein expression profiling what DNA chips did for RNA expression. |
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 December 12, 2011 Simon Hadlington |
Zwitterion approach to stabilizing drug proteins Researchers in the US have discovered a new way to stabilize and protect protein molecules without affecting the protein's biological activity. |
Chemistry World September 18, 2015 Dannielle Whittaker |
Connecting electrodes with light illuminates electrochemistry Scientists in Australia have lit the path towards replacing wires in electrochemical devices by using visible light to create electrical currents on a stabilized silicon semiconductor electrode. |
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. |
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. |
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. |
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. |
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. |
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 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 June 29, 2005 |
Self-assembly: the natural way to make things In biology, there are a few different ways DNA molecules can be replicated and combined. |
Technology Research News March 12, 2003 |
RNA forms nanomotor Researchers from Purdue University have constructed a tiny motor from DNA and RNA molecules. The device, fueled by ATP, which powers our own movements, could eventually power nanomachines. |
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 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 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. |
Chemistry World March 1, 2011 Catherine Bacon |
Unravelling chromosomes Danish scientists have used a micro device to isolate centimetre-long portions of human DNA to help study the genetic make-up of diseased cells. |
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 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 March 20, 2007 Lionel Milgrom |
Chemical Model Unlocks Key Enzyme's Secrets The precise workings of cytochrome c oxidase (CcO), an enzyme that is crucial for all aerobic life, have been unveiled. |
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 August 2007 Philip Ball |
Opinion: The Crucible The twist on DNA |
Chemistry World June 7, 2012 Simon Hadlington |
Rethinking redox chemistry Metal oxide redox chemistry may be due a big re-think following new research by US scientists. It seems that it is not solely electrons that are being shunted about. In many, possibly most, cases a proton also comes along for the ride. |
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 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. |
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. |
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. |
Technology Research News March 12, 2003 Kimberly Patch |
Cheap solar power on deck Researchers from the University of California at Santa Barbara have come up with a new type of solar cell that may be much less expensive to manufacture than today's solar cells and can be improved to be nearly as efficient. |