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Chemistry World October 3, 2014 Jennifer Newton |
Assessing covalency in the hydrogen bond zoo Worried that the concept of hydrogen bonding has been getting fuzzier over time, scientists in Germany have sought a fresh look at the very nature of these bonds, and how much covalency they involve.  |
Chemistry World July 3, 2015 Michaela Muehlberg |
Fluorescent protein spectrum shunted by single hydrogen bond Scientists in Denmark have found that a single hydrogen bond can have a drastic effect on the photophysical properties of molecular chromophores found in fluorescent proteins.  |
Chemistry World November 3, 2010 Andy Extance |
Hydrogen bond set to be redefined The world authority on chemical nomenclature is preparing to scrap the familiar hydrogen bond definition, in light of recent evidence about its true nature.  |
Chemistry World July 9, 2013 Jennifer Newton |
Technicolor pKa indicator Scientists in Japan have shown that a dye can present more than five different colors according to the acidity of the solution it is in and can be used to visualize acid -- base equilibria in non-polar solvents.  |
Chemistry World October 22, 2014 Simon Hadlington |
Isotope effect produces new type of chemical bond New work by researchers shows how substituting isotopes can result in fundamental changes in the nature of chemical bonding.  |
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.  |
Chemistry World September 14, 2011 Laura Howes |
Aspirin Still Has Some Secrets Left to Give up The overlooked stereoelectric effect in aspirin makes the molecule less polar, which may improve the drug's bioavailability.  |
Chemistry World May 8, 2013 Cara E Sutton |
Coming unstuck with DNA A DNA-based glue has been developed by scientists at the University of Illinois, US. The adhesive uses DNA base pair mimics that bind to each other more strongly than their natural counterparts and may lead to glues far more powerful than Super Glue.  |
Chemistry World January 29, 2015 Santiago Alvarez |
What we mean when we talk about bonds The chemical bond is still a matter of lively debate among chemists, even a century after Gilbert Lewis introduced his electron pair bonding concept.  |
Chemistry World April 26, 2011 Manisha Lalloo |
Pnicogens link up as new bond is discovered German researchers have discovered a chemical oddity - a new type of intramolecular interaction between group 15 atoms, which is as strong as a hydrogen bond. These interactions could be used to build supramolecular structures.  |
Chemistry World February 12, 2013 Philip Ball |
Water structure controversy laid to rest? A controversy about the structure of liquid water that has raged for almost a decade may be laid to rest by a new computational study.  |
Chemistry World October 11, 2013 Andy Extance |
'Tetrel bonding' emerges from I -hole Researchers have coined the term 'tetrel bonding' to highlight little-studied but powerful non-covalent bonding between electron donors and the group 14 elements, silicon, germanium and tin.  |
Chemistry World August 21, 2014 Jonathan Midgley |
Redirecting electrons boosts algal hydrogen generation Scientists have developed a highly targeted metabolic engineering technique to control the flow of electrons produced by the initial stages of photosynthesis in microalgae.  |
Chemistry World March 2, 2012 Andrea McGhee |
Nanowires heading in the right direction Scientists in Switzerland have controlled the supramolecular self-assembly of polymers to form nanofibrils that could be used as organic nanowires in electronic devices.  |
Chemistry World July 30, 2014 James Urquhart |
Underwater self-healing polymer mimics mussels A common acrylic polymer used in biomedical applications and as a substitute for glass has been given the ability to completely self-heal underwater by US researchers.  |
Reactive Reports December 2006 David Bradley |
Blood, Light, and Water Two molecules that occur naturally in blood have been engineered by scientists to use sunlight to split water into hydrogen and oxygen.  |
Chemistry World April 14, 2006 Simon Hadlington |
Deciphering Hydrogen Tunnelling in Enzymes Researchers have thrown important new light on the phenomenon of hydrogen tunnelling in biological catalysts. The finding is likely to spark a debate among biochemists about the fundamental nature of enzymes.  |
Chemistry World November 3, 2015 Matthew Gunther |
IR spectroscopy stretches knowledge of hydrogen bonding Scientists in Denmark have, for the first time, detected a hydrogen bond between an N -- H and phosphorus in the gas phase.  |
Chemistry World November 7, 2013 Polly Wilson |
Hydrogen adopts alkali metal position For the first time, scientists have shown that hydrogen can stand in for alkali metals in typical alkali metal structures.  |
Chemistry World September 7, 2006 Tom Westgate |
Molecular Framework Sucks up Hydrogen Researchers have now developed a coordination framework material that is the best yet in terms of hydrogen storage. However, the materials currently require low temperatures to achieve the high loading of hydrogen.  |
Chemistry World December 4, 2006 Richard Van Noorden |
Hydrogen Gets Promiscuous Hydrogen is a more promiscuous element than chemists have appreciated: it can form up to six strong chemical bonds in some solids, researchers report.  |
Chemistry World November 10, 2014 Andy Extance |
Hydrogen bond pictures come under close scrutiny Scientists have cast doubt on whether striking atomic force microscopy images previously thought to show hydrogen bonds are real or merely an artefact.  |
Chemistry World May 21, 2010 Simon Hadlington |
H-bond partner-swapping seen in the flesh The dance moves that a water molecule makes as it flips hydrogen bonds from one partner to another have been captured by US researchers.  |
Chemistry World April 29, 2009 Matt Wilkinson |
World's first 'naked' uranium-transition metal bond formed UK scientists have made 'naked' uranium-transition metal bonds, providing vital evidence that valence orbitals can play a role in actinide bonding.  |
Chemistry World March 27, 2012 Erica Wise |
Unlocking the mysteries of ice The unusual properties of ice under compression are due to Coulomb repulsion between bonding and non-bonding electron pairs, say scientists from Singapore and China.  |
Chemistry World May 29, 2015 Andy Extance |
Noble gas joins I -hole interaction crowd Despite noble gases' characteristic unreactivity, Spanish chemists have calculated that molecules containing xenon can interact non-covalently through what they've called 'aerogen bonding'.  |
Chemistry World January 28, 2009 Phillip Broadwith |
Water spilt with aluminium Aluminium clusters' ability to split water molecules and release hydrogen is dictated by the geometric arrangement of active sites on their surface, US scientists have discovered.  |
Chemistry World April 28, 2010 Mike Brown |
Producing hydrogen from sea water A new catalyst that generates hydrogen from sea water has been developed by scientists in the US.  |
Chemistry World September 3, 2008 Lewis Brindley |
Hydroxide argument settled Scientists in Germany say they have settled an argument over how hydroxide ions travel quite so quickly through water, after finding evidence that they can donate a weak hydrogen bond.  |
Chemistry World June 20, 2012 Laura Howes |
94 Elements film project A new film project has been launched exploring how the chemical elements -- from hydrogen to plutonium -- affect our lives.  |
Chemistry World July 20, 2012 Simon Hadlington |
New type of chemical bond around dwarf stars The work, led by Trygve Helgaker at the University of Oslo in Norway, not only provides insights into fundamental aspects of electronic interactions with magnetic fields, but also sheds light on the exotic chemistry that exists in stellar environments.  |
Chemistry World October 4, 2007 Richard Van Noorden |
Nanofibers Show Hydrogen Promise UK chemists have overcome the shortcomings of a promising hydrogen storage material by simply converting it into nanofibers.  |
Technology Research News January 15, 2003 Eric Smalley |
Metal stores more hydrogen One reason the world isn't running on hydrogen fuel is that it's hard to store. Researchers from the National University of Singapore have made an accidental discovery that brings the promise of clean hydrogen energy a big step forward.  |
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 May 1, 2009 Lewis Brindley |
Hydrogen fuel tank gets cooler and cleaner Scientists have improved the performance of ammonia borane as a hydrogen storage material - making it more practical for a fuel tank in hydrogen-powered vehicles.  |
Chemistry World March 25, 2013 David Bradley |
Hydrogen bond under the microscope Scientists in Japan have designed a scanning tunnelling microscope tip that allowed them to measure electron transfer across a single hydrogen bond.  |
Chemistry World June 15, 2015 Matthew Gunther |
Bonding behavior unlocked for uranium -- arsenic complex The discovery may help to improve the performance of chemical treatments used to recycle nuclear waste.  |
Chemistry World April 26, 2007 Richard Van Noorden |
Hydrogen Busters go Synthetic Chemists have created a small molecule which mimics the way natural enzymes chew up hydrogen. The model should inspire designs for new catalysts that can break up hydrogen in fuel cells; or (running in reverse) help produce the fuel for a hydrogen economy.  |
Chemistry World January 26, 2011 Mike Brown |
Carbon nanotubes for hydrogen storage Researchers in Germany have designed a 3D carbon-based nanotube matrix that can store and release hydrogen extremely efficiently. The material could form the basis of a sustainable hydrogen economy, they say.  |
Chemistry World April 2, 2012 Jon Cartwright |
Hydrogen That Mimics Graphene Researchers claim to have discovered a new phase of hydrogen in which the diatomic molecules break apart to form six-atom rings, similar to graphene. The new phase, which occurs at very high pressures, could be a stepping stone towards a long-sought after phase: metallic hydrogen.  |
Chemistry World January 29, 2014 Tim Wogan |
'Waterjet' printer set to make a splash Chinese scientists have come up with 'waterjet printing' that uses paper coated with dyes that change color when wet and return to their colorless state when dry.  |
Technology Research News November 17, 2004 |
Low-Pressure Material Holds Hydrogen One key to using hydrogen as a fuel is finding practical ways to store it. Researchers have discovered a kinetic trapping effect that allows hydrogen to be adsorbed.  |
Chemistry World June 28, 2011 Simon Hadlington |
A Cool Way to Store Hydrogen? Theoretical chemists in the US have suggested a rather more commonplace solution to store hydrogen: ice.  |
Chemistry World February 11, 2011 Philippa Ross |
Breakthrough for bacterial hydrogen production Scientists in China have developed a device that can produce hydrogen from organic materials using bacteria at temperatures below 25 degrees Celsius.  |
Chemistry World December 10, 2014 Jason Woolford |
I meets I for a hole lot of bonding Researchers in India have provided experimental verification that a co-operative I -hole and I -hole are responsible for holding the molecules of an isothiocyanate based peptide together in its crystal lattice.  |