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Chemistry World March 28, 2007 Victoria Gill |
New Limits Set on Chirality Researchers have set a new standard in stereochemistry. Measuring Raman optical activity, they have confirmed the spatial arrangement of a molecule with almost impossibly subtle chirality: (R)-[ 2H 1, 2H 2, 2H 3]-neopentane. |
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 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. |
Chemistry World May 24, 2013 David Bradley |
Microwaves show their hand The chirality of a gas phase molecule held in an electric field can be revealed using microwave spectroscopy. Hooking the technique to a separation step might even be exploited to isolate a specific enantiomer from a racemic mixture of both forms. |
Chemistry World June 5, 2012 Simon Perks |
Chiral separation with micro-flows How do you separate enantiomers without any kind of chiral recognition between molecules? The answer it seems is to use asymmetric flow in a micro-fluidic channel. |
Chemistry World May 3, 2013 Alison Rodger |
VCD spectroscopy for organic chemists I highly recommend VCD Spectroscopy, by Philip Stephens and others, for organic chemists as the textbook of choice on this useful topic. |
Chemistry World November 26, 2010 Amaya Camara-Campos |
Enriching the origin of life theory An enantioenrichment of the amino acid valine, which could shed light on the origin of chirality on Earth, has been achieved by scientists in Spain. |
Chemistry World February 10, 2011 Erica Wise |
Raman imaging gives new hope for cancer diagnosis Surface enhanced Raman scattering works by detecting spectroscopic signals of molecules such as cancer antibodies that are in close proximity to metals injected into tissue such as gold or silver nanoparticles. |
Chemistry World February 15, 2014 Emma Stoye |
Raman reveals Renoir's true colours Scientists have used Raman spectroscopy to show the original colors of a Renoir painting. By identifying a red dye that had been degraded by light they were able to digitally restore a faded background to its former glory. |
Chemistry World January 16, 2012 Kate McAlpine |
Stripped down spectroscopy to probe single molecules Spectroscopy, a key method of identifying atoms and molecules with light, has been taken to its most fundamental level - a single photon absorbed by a single molecule. |
Chemistry World April 8, 2008 Mark Peplow |
Meteorite Source for Life's Handedness Scientists have long speculated that life's preference for left-handed amino acids may have been triggered by compounds brought to Earth by meteorites. Now they've shown exactly how two crucial steps in this process could happen. |
Chemistry World August 7, 2011 Phillip Broadwith |
Possible Origin of Chirality in the Rna World Given a tiny push one way or the other, simple racemic precursors can lead to the chiral building blocks of RNA using a combination of chemical and physical factors. |
Chemistry World March 2, 2007 Philip Ball |
Giving Life a Hand Why are proteins left-handed and nucleic acids right-handed? Once offered only a few sketchy theories, scientists have found more alternatives for creating homochirality. |
Chemistry World April 1, 2008 Lewis Brindley |
Easier Cancer Imaging with Raman A new imaging technique based on Raman spectroscopy has been used to illuminate tumors in mice with unprecedented precision. |
Chemistry World April 7, 2014 Jessica Cocker |
SERS tubing makes intravenous drug delivery safer A sensor that identifies drugs compounds and monitors changes in their concentrations as they enter the body through an intravenous drip could prevent medication mistakes. |
Chemistry World March 5, 2014 Andy Extance |
Rotaxanes make symmetry history A UK team has stumbled upon an efficient way to separately produce each member of an unusual mirror image pair of chemical systems that has eluded scientists for over four decades. |
Chemistry World May 15, 2012 Harriet Brewerton |
Chiral Confusion Scientists in Israel have shown that non-biological chiral crystals are much more abundant than previously thought and their findings could clear up a possible confusion over the term 'chiral'. |
Chemistry World September 6, 2006 Michael Gross |
Selective Shortcut Chemists have developed a simple catalyst that speeds up the synthesis of a chiral protected building block used in many complex syntheses. |
Chemistry World April 19, 2009 Hayley Birch |
Chiral metals shape up for catalysis Dutch and Israeli scientists have found a way to induce the chirality usually only found in organic materials in palladium. |
Chemistry World November 1, 2009 Hayley Birch |
How light gave life a helping hand A new theory for how 'handedness' in organic molecules evolved has been proposed by Dutch scientists. |
Chemistry World December 22, 2008 Hayley Birch |
Looking at life label-free US scientists have demonstrated a way to sensitively track molecules in living cells without attaching bulky labels or staining a sample. |
Chemistry World September 3, 2015 Elisabeth Ratcliffe |
Electric switch makes helix change hands Application of an electric field in the direction opposite to that of the macrodipole reverses the handedness of the structure. |
Chemistry World October 15, 2008 Simon Hadlington |
Long-life light illuminates cells The new dye, based on platinum, will carry on emitting light long after any interfering 'autofluorescence' from naturally occurring molecules in the cell has fizzled out. |
Chemistry World March 8, 2011 Jon Cartwright |
Carbon nanotubes - a boon for chiral catalysts Researchers in China have created a new catalyst that could help in the production of chiral molecules for medical drugs. The catalyst, which consists of platinum nanoparticles encapsulated in carbon nanotubes, is the most active of its type ever reported. |
Chemistry World August 13, 2014 Andy Extance |
Photon pinball identifies chemicals from afar US scientists have pushed the range at which chemicals can be remotely identified beyond a kilometer by turning the samples themselves into lasers. |
Chemistry World September 6, 2013 Melissae Fellet |
Unravelling stereochemistry via mass spectrometry Researchers have used mass spectrometry to determine the stereochemistry of a prototypical chiral molecule, CHBrClF. |
National Defense November 2014 Stew Magnuson |
New Approach to Biological Threat Detection Promises Savings for Defense, Homeland Security The nonprofit lab Battelle recently introduced an all-inclusive chemical-biological-explosive detector the size of a microwave oven that can detect airborne pathogens in minutes with recurring costs of about $1 per day. |
Chemistry World August 21, 2012 James Mitchell Crow |
Watching single nanoparticles work By shining laser light on the modified tip of an atomic force microscope), researchers in Germany and the Netherlands have been able to watch a catalytic reaction in real time, zoomed right in to the nanoscale. |
Chemistry World May 25, 2006 Jon Evans |
Electric Shock for Controlled Release Biomedical engineers have used gold electrodes to improve the method for controlled release of biomolecules. They say the method is a large improvement on current technologies, giving greater control over when, where and how many biomolecules are released. |
Chemistry World July 16, 2013 Harriet Brewerton |
Accelerating stereochemical analysis A chemosensor has been developed by scientists in the US to speed up the quantitative stereochemical analysis of chiral amino alcohols and diamines. |
Chemistry World January 5, 2012 Laura Howes |
Surfing the Plasmonic Wave Researchers have shown with both spatial and temporal resolution, how the electric field around a nanoparticle changes when the nanoparticle is excited by a laser. |
Chemistry World July 26, 2007 Tom Westgate |
Counterion Does the Twist US chemists have achieved a breakthrough in the design of catalysts that selectively produce chiral compounds. |
Chemistry World April 22, 2013 Rebecca Brodie |
Quicker checks for safer water Scientists in the Netherlands have developed and tested a new method that uses Raman spectroscopy to quickly identify harmful bacteria in drinking water. |