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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 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 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 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 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 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 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 June 17, 2013 Eleanor Merritt |
Switching chirality in amino acids An international team of scientists has developed a purely chemical approach to interconvert L- and D-amino acids. This method could rival enzymatic routes used in industry, and enable cheaper production of some pharmaceuticals.  |
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 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 October 14, 2009 James Urquhart |
New route to amino acids US scientists have found a new way of making a class of non-natural amino acids that are widely used as components of pharmaceuticals and chiral catalysts.  |
Chemistry World October 12, 2015 Andy Extance |
'Chemical search engine' backs alternative route to life A key class of biological molecules neglected in the search for life's chemical origins could have appeared spontaneously before organisms, UK scientists say.  |
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 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 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 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 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 September 25, 2014 Simon Hadlington |
First interstellar sighting of a branched alkyl molecule The radiotelescope in Atacama, Chile, has found the first branched molecule ever seen in interstellar space  |
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 July 2, 2014 Tim Wogan |
Miller's forgotten experiments point to primitive protein genesis Stanley Miller's experiments are still adding to our understanding of prebiotic Earth.  |
Chemistry World December 20, 2011 Laura Howes |
Cutting edge chemistry in 2011 With the help of an expert panel of journal editors Chemistry World reviews the ground breaking research and important trends in this year's crop of chemical science papers.  |
Chemistry World May 30, 2013 Andy Extance |
Catalyst duo exerts powerful stereocontrol Chemists from the Swiss Federal Institute of Technology, ETH Zurich, have teamed chiral catalysts in pairs to selectively drive a reaction towards desired stereoisomeric products with high selectivity.  |
Chemistry World October 31, 2014 Andy Extance |
Acid choice flips enantioselectivity Organic chemists in Ireland have developed a pair of reactions they think are unique in producing predominantly one of two mirror-image products without a change of catalyst.  |
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 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 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 March 23, 2009 Hayley Birch |
Speeding up screening for chiral catalysts U.S. researchers say their method represents a 'standard workhorse' for discovery and optimisation of chiral catalysts, such as those widely used by the pharmaceutical and pesticide industries.  |
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 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.  |