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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 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. |
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 June 18, 2014 Michael Parkin |
Separation by levitation A team in the US has shown that enantiopure and racemic crystals can be separated by magnetic levitation. |
Chemistry World June 15, 2015 Tim Wogan |
Long range chirality transfer observed A new method to detect biomolecules by using a plasmonic nanoparticle to transfer their chirality onto an achiral dye has been developed by researchers |
Chemistry World February 27, 2009 Hayley Birch |
More data from mixtures via NMR Finnish scientists have developed a new technique for separating out the NMR spectra of compounds in a mixture. |
Chemistry World August 24, 2009 James Urquhart |
Separating isomers with electric fields A new technique uses electrostatic fields at ultracold temperatures to isolate individual conformational isomers from a complex molecule. |
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 6, 2009 Phillip Broadwith |
Enzyme binds both sides of the mirror European chemists have discovered that both mirror-image forms of a particular compound can bind at the same time in the same site of an enzyme, a phenomenon that has never been seen before. |
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 May 16, 2008 Cordelia Sealy |
Speedy spectrometer tracks shape-shifting molecules A new microwave spectrometer has allowed US scientists to track molecules writhing through different geometric shapes when excited - opening a new window on their reactivity. |
Chemistry World January 21, 2014 Rachel Wood |
Centrifuge spectroscopy probes extreme rotational states A new spectroscopic technique for studying electronically excited molecules at very high angular momentum has been developed and tested by scientists in Canada. |
Chemistry World November 24, 2011 Phillip Broadwith |
Rewriting the rules for polar molecules A molecule containing two atoms of the same element can have a permanent electric dipole, say US and German scientists, contradicting the traditional view of molecular polarity. |
Chemistry World September 24, 2014 Hayley Simon |
Water provides new angle on single molecule imaging Small variations in a molecule's conformation can have a large effect on chemical reactivity. Being able to identify these differences is one of the aims of high resolution spectroscopy. |
Chemistry World November 13, 2008 Hayley Birch |
Reactions Studied by Stop Motion Japanese and Israeli scientists have developed a technique that can track whole-molecule changes that occur during extremely rapid reactions. |
Chemistry World October 12, 2006 Richard Van Noorden |
Lasers on the Energy Ski Slope Researchers have shown that intense laser-light pulses can act as catalysts, controlling the end products of a chemical reaction without themselves being absorbed. |
Chemistry World July 24, 2009 Nina Notman |
Chiral isotropic liquids from achiral molecules Boomerang-shaped liquid crystal phase molecules that don't exhibit 'handedness' (chirality) have been found to form unusual chiral structures that spontaneously separate into left- and right-handed domains. |
Chemistry World May 26, 2015 Victoria Richards |
Crystalline sponge method strikes again Scientists from Japan report that their revolutionary crystallographic technique has determined the stereochemistries of molecules with axial and planar chiralities, where classical methods had failed. |
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 October 13, 2011 Phillip Broadwith |
Following Electrons' Chemical Reaction Quickstep The oscillating electronic states of molecules nearby and passing through a conical intersection can now be probed directly. |
Chemistry World May 4, 2010 Lewis Brindley |
Nanomachinery gets a spring in its step Molecular springs that always twist the same way are the latest addition to the nanomachinery toolbox. |
Reactive Reports November 2007 David Bradley |
Organic Uranium The first ever uranium methylidyne molecule has been synthesized by US chemists despite the reactivity of the heavy, heavy metal. |
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 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. |
Chemistry World August 30, 2006 Tom Westgate |
Lasers Shed Light on Magnetic Resonance A new way of measuring nuclear magnetic resonance (NMR) in liquid samples could have implications across spectroscopy and imaging, report researchers. |
Chemistry World December 17, 2009 Simon Hadlington |
Single catalyst gives two products from racemic mixture Chemists in the US have demonstrated a remarkable reaction in which a single catalyst can transform a racemic mixture - molecules identical in every way except for their chirality - into two distinct enantiomerically pure products. |
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 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 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 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 November 3, 2011 Erica Wise |
A Model for the Single Chirality of Life The boiling solutions in prebiotic hot springs could shed light on the emergence of a single chiral form of biomolecules in nature, say Spanish scientists. |
Chemistry World October 23, 2014 |
The resolution revolution Super-resolution fluorescence microscopy earned three of its creators a Nobel prize this year. |
Chemistry World March 21, 2007 Alison Stoddart |
Synthesis Strategy Offers no Protection A radically different approach to constructing complex molecules could help to tap the pharmaceutical potential of natural products. |
Chemistry World June 13, 2012 Simon Hadlington |
Exploding molecule provides 3D bond images Researchers from the US and Germany have demonstrated a new way to obtain accurate three-dimensional images of molecules, with precise measurements of the geometry of the molecule's chemical bonds. |
Chemistry World November 26, 2014 Rebecca Brodie |
Seeing glucose through the skin Scientists in Germany have developed a spectroscopy method to measure diabetics' glucose levels through their skin. |
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 October 2, 2009 Phillip Broadwith |
Microwave effect ruled out Microwave reactions in silicon carbide vials - which are heated by microwaves but shield the contents from radiation - have confirmed that most of the benefits seen in microwave-assisted chemistry are purely due to heating |
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. |
Chemistry World February 21, 2007 Tom Westgate |
Complex Organic Molecules Teamed with Iodine Chemists have developed a method for constructing complex halogen-containing organic molecules from simple compounds in a single step. The discovery could pave the way for the synthesis of many potentially useful naturally occurring molecules. |
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. |
Reactive Reports May 2007 David Bradley |
Meeting of Molecular Movie Stars New footage confirms Linus Pauling's theory of chemical bonding proposed half a century ago, and could help explain molecular recognition processes important throughout supramolecular chemistry and molecular biology. |
Chemistry World June 2008 Sarah Houlton |
Breaking the rules The author finds out about some chemical tricks that can give a new drug the best possible odds of success |
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 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. |
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 September 17, 2008 Hayley Birch |
Colloids twist like DNA French scientists have used magnetic colloids to make self-assembling, helical structures reminiscent of DNA |
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. |
Reactive Reports Issue 33 David Bradley |
Catalytic Gel Gels are commonplace from lime Jell-o to invigorating minty shower gels. Now, a German-Dutch team has developed an organometallic complex that acts as a novel gelling agent for organic solvents. |
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 September 25, 2014 Hayley Simon |
Breakup reaction hints at handedness of nature The breakup of 3-bromocamphor molecules bombarded by polarized electrons has given a tantalizing hint of the origins of biological homochirality -- nature's preference for one mirror image of a molecule over another. |