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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
Chemistry World
August 27, 2009
Nina Notman
Molecules in close-up A tuning-fork-like device than measures atomic forces is able to image every single atom in a molecule, according to its Swiss inventors. mark for My Articles similar articles
Chemistry World
February 21, 2008
Simon Hadlington
Taking the Measure of Atomic Friction Scientists in the US and Germany have successfully used an atomic force microscope to determine exactly how much effort is needed to drag a single atom of cobalt across the surface of different metals. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
August 13, 2010
James Urquhart
Zooming in on intermolecular bonds German researchers have captured clear images of intermolecular bonds for the first time using a modified form of scanning tunnelling microscopy. mark for My Articles similar articles
Chemistry World
August 1, 2010
Mike Brown
Snapshots of mystery molecular structures Researchers have used atomic force microscopy to produce clear molecular images that can help determine the correct atomic structure of unknown organic molecules. mark for My Articles similar articles
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. 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
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
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
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
December 15, 2004
DNA Makes Nanotube Transistors Researchers have harnessed the self-assembly abilities of DNA to construct field-effect transistors from carbon nanotubes. 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 22, 2011
Kate McAlpine
Self-assembling DNA structures carve out a niche Researchers have used DNA nanostructures to create raised ridges and tiny trenches in silicon dioxide using an etching technique. mark for My Articles similar articles
Chemistry World
November 5, 2007
Ned Stafford
Joining up Nanocircuits A team of scientists have covalently bonded strings of porphyrin molecules on a gold surface -- a step forward in the quest to develop nano-electronics. mark for My Articles similar articles
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. 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
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
August 17, 2009
Lewis Brindley
DNA shapes up for nanoelectronic devices Researchers have taken a step towards the next generation of high-speed computer chips by controlling how triangle-shaped pieces of DNA mount themselves on a surface. mark for My Articles similar articles
Chemistry World
November 11, 2012
Simon Hadlington
'Nano-welding' taken to the limits as specific bonds are cut and formed In a remarkable demonstration of the extreme limits of nanoscale engineering, researchers from the US and China have used the tip of a scanning tunnelling microscope to cleave and form selected chemical bonds on a complex molecule. mark for My Articles similar articles
Chemistry World
July 13, 2015
Philip Ball
First snapshot of elusive intermediate supplies surprise A team near Zurich in Switzerland, has been able to take a single-molecule snapshot of an intermediate in a common class of organic reactions. mark for My Articles similar articles
Chemistry World
June 5, 2013
Simon Hadlington
Raman scattering reaches sub-nm resolution Researchers have achieved the highest resolution yet with Raman spectroscopy, allowing the chemical mapping of molecules to a resolution of less than 1nm. The technique could allow unprecedented chemical identification of single molecules. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
July 31, 2008
Nanostructures Made Easy Scotland-based chemists have invented a new way to build nanoscale arrays of molecules over a large surface area: a technique that may be key to making nanostructures in sophisticated sensors, catalysts, and tiny computer parts. mark for My Articles similar articles
Chemistry World
July 30, 2007
Lewis Brindley
AFM Tip Feels Nano-Surfaces Scientists in the US have developed an artificial fingertip that boosts the resolution of atomic force microscopy, a technique that opens a window onto the nanoscale world. 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
Chemistry World
February 21, 2007
Simon Hadlington
Organic Electricity Generator is Hot Stuff Researchers have successfully demonstrated the thermoelectric effect in an organic molecule. The findings open up the possibility of potential new energy sources, and also present a novel way for probing the electronic structure of molecular junctions. mark for My Articles similar articles
Chemistry World
July 5, 2011
Mike Brown
Metallic Pick and Mix with Complexes Scientists in Germany have plucked a metal ion from the middle of a phthalocyanine molecule on a silver surface. The simple method of removal, which employs a scanning tunnelling microscope, could be used to make cheaper molecular storage devices. mark for My Articles similar articles
Chemistry World
January 19, 2010
Lewis Brindley
Giving gold a smooth ride Chemists from Germany and Poland have discovered a new way to polish gold completely smooth using Fenton's reagent, producing gold surfaces that could be used in the electronics industry and electrochemical processes. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
May 27, 2014
Simon Hadlington
Unusual H-bond patterns revealed in single molecule image Researchers in the US have used a scanning tunnelling microscope to produce the latest images of structure and bonding in a single molecule, by sensing the molecule's local potential energy landscape. mark for My Articles similar articles
Chemistry World
February 28, 2012
Nina Notman
Observing Charge Distribution in Molecules The distribution of charge across a single molecule has been imaged for the first time by Swiss scientists. It is hoped that this work may eventually lead to electronic devices consisting of organic molecules. mark for My Articles similar articles
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. mark for My Articles similar articles
Technology Research News
December 3, 2003
Molecule does two-step Duke University researchers have found a way to make a molecule react only when it has been hit by two photons of ultraviolet light, making the molecule a controllable switch. The molecule could eventually be used in optical storage devices and in biochips. 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
Chemistry World
October 11, 2009
Simon Hadlington
Diode breakthrough in molecular electronics Researchers from the US and Russia have shown how it is possible to measure the diode properties of a single molecule and how the orientation of the molecule between two electrodes can be controlled. mark for My Articles similar articles
Reactive Reports
November 2005
David Bradley
Water, Water How a strand of water just a few molecules thick could provide nanoscale clues about water's intriguing properties and why water is the dread enemy of atomic force microscopy. mark for My Articles similar articles
Technology Research News
September 24, 2003
Artificial DNA stacks metal atoms In recent years, researchers have replaced some of DNA's natural bases with those that attach to metal atoms in order to coax DNA to organize metal ions into tiny structures. Researchers in Japan have tapped the method to form stacks of single metal ions. 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
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
Chemistry World
August 20, 2008
Spying on Self-Assembly Proteins attaching to gold nanoparticles don't mill around randomly, but organise into clusters, according to UK scientists who say they have for the first time spied in detail peptides assembling on a surface. mark for My Articles similar articles
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. 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
September 26, 2013
Akshat Rathi
First pictures of hydrogen bonds unveiled Researchers in China report the first visualization of a hydrogen bond using atomic force microscopy. mark for My Articles similar articles
Chemistry World
October 15, 2009
Simon Hadlington
Optical conveyor belt gathers up molecules Researchers in Germany have developed a novel way to 'round up' biological molecules that are freely suspended in solution and trap them in a confined space using nothing more than light. mark for My Articles similar articles
Chemistry World
February 28, 2007
Simon Hadlington
Individual Atoms' Chemical ID Revealed Researchers have demonstrated for the first time that atomic force microscopy can be used to reveal the chemical identity of individual atoms on a surface at room temperature. mark for My Articles similar articles
Chemistry World
August 27, 2015
Jon Cartwright
AFM pictures show bond polarity Researchers in Germany and the Czech Republic have improved the clarity of atomic force microscopy to probe the distribution of charges within atoms and molecules. mark for My Articles similar articles
Technology Research News
September 22, 2004
Microscope Etches Ultrathin Lines Researchers have shown that it is possible to match electron beam resolution for organic materials using an ultraviolet laser shown through a near-field optical microscope. mark for My Articles similar articles
Chemistry World
May 30, 2013
Laura Howes
Catching a reaction in the act A Berkeley team used an atomic force microscopy needle with a carbon monoxide molecule adsorbed onto the tip to actually watch a reaction taking place and capture these snapshots of it. mark for My Articles similar articles