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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 February 2007 Philip Ball |
The Crucible Molecular biology isn't just about the cleverness of proteins and nucleic acids. Even the molecules often assumed to be just part of the scaffolding, such as lipids, and the very water that bathes them all, may have inventive roles to play. |
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 23, 2009 James Urquhart |
Smallest acid droplet formed Scientists in Germany have observed a single molecule of HCl dissociating into its component ions in water - and have discovered that just four water molecules are needed for complete dissociation of the acid. |
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 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 April 26, 2007 Philip Ball |
Water's Surface is Acidic Pure, neutral water has an acid skin. This striking notion has now been confirmed by calculations and tests by an international team of scientists. The finding could be significant for a number of disciplines. |
Chemistry World January 25, 2007 Richard Van Noorden |
Water Surprise for Atmospheric Scientists Lone water molecules can catalyze reactions between atmospheric gases, scientists have confirmed, throwing a wrench in the works of supposedly simple atmospheric chemistry. |
Chemistry World December 9, 2013 Jessica Cocker |
Hydrogen breaks strong bonds with brute force A method developed by Leo Lau of Western University in Canada and colleagues can break C -- H bonds without damaging the rest of the molecule. |
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. |
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 May 30, 2014 Andy Extance |
Cluster structure promises acid advance Mark Johnson's Yale team has become the first to capture vibrations of the hydronium ion in a protonated 21-water cluster |
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 March 9, 2006 Katharine Sanderson |
Covalent Bonds Crack Under the Strain Chemists must consider engineering principles when designing molecules following news that tough carbon-to-carbon bonds break easily under mechanical strain. |
Chemistry World May 12, 2011 Jon Cartwright |
'Chemical soldering' heralds single molecule electronics Scientists in Japan and Switzerland have demonstrated how to wire up single molecules with conductive nanowires. |
Technology Research News June 29, 2005 |
Self-assembly: the natural way to make things In biology, there are a few different ways DNA molecules can be replicated and combined. |
Chemistry World June 14, 2013 Philip Ball |
Protons wander freely in icy gas giant cores If you squeeze ice hard enough, its protons fall off. That's the conclusion of a new study by Malcolm Guthrie of the Carnegie Institution of Washington and colleagues. |
Chemistry World March 24, 2009 Karen Harries-Rees |
Alkali metals reveal a taste for clam Researchers have discovered a chemical curiosity, alkali metals that prefer aromatic surfaces to water and form clam-like structures. |
Chemistry World November 11, 2009 James Urquhart |
Structural snapshots of complex molecules US researchers have pioneered a new spectroscopy technique to uncover the precise sequence of atomic movements and structural changes that occur during complex chemical transformations. |
Chemistry World December 13, 2011 Jon Cartwright |
Scientists unveil tiniest switch Researchers in Germany claim to have created the world's smallest molecular switch, relying on the movement of just a single proton. |
Chemistry World March 14, 2014 Simon Hadlington |
Chemists make headway on C--H activation challenges Jin-Quan Yu's group at the Scripps Research Institute at La Jolla, California, have synthesized a library of synthetic chiral amino acids which could have applications in the pharmaceutical industry. |
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 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 February 19, 2010 Simon Hadlington |
Forcing stereoselectivity on reactive cations Chemists in the US have devised a dual catalyst strategy to tame the highly reactive iminium ion to give a high degree of stereochemical control over subsequent reactions of the ion. |
Chemistry World September 28, 2010 Lewis Brindley |
Helium nanodroplets host ion analysis Chemists have developed a sensitive new infrared spectroscopy method that analyses molecular ions by capturing them in nanosized bubbles of freezing helium. |
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 November 14, 2013 James Urquhart |
Mysterious selectivity of nature's blowtorches solved US researchers have solved the long-standing mystery of how cytochrome P450 enzymes generate intermediates to perform demanding oxidations of inert C -- H bonds without damaging their fragile protein network in the process. |
Chemistry World February 19, 2009 James Urquhart |
Selective catalyst cracks direct peroxide production A team of UK and US scientists have shown how hydrogen peroxide - an industrially important disinfectant and environmentally-friendly oxidizing agent - can be made directly from oxygen and hydrogen. |
Chemistry World October 18, 2009 Hayley Birch |
Conducting MOFs make membranes for fuel cells New crystalline compounds could yield better materials for fuel cell applications, according to Canadian scientists. |
Chemistry World November 4, 2011 Phillip Broadwith |
Chemists put finger on the trigger to attack cancer Hydrogen peroxide-triggered release mechanisms could help reduce the side effects of cancer drugs by keeping them safely locked up until they reach the oxidizing environment of cancer cells, say scientists in the US. |
Chemistry World July 13, 2009 Lewis Brindley |
Getting a look at water wires Indian chemists have trapped tiny strands of water inside peptide nanotubes - allowing the researchers to take a direct look at how small amounts of water behave in a confined environment. |
Chemistry World September 20, 2012 Jon Evans |
World's smallest ice cube created Ice crystals must contain at least 275 water molecules, say German chemists. This size limit has implications for any process that involves ice particles, from cloud formation to making the perfect gin and tonic. |
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 October 6, 2011 Manisha Lalloo |
Oxygen Isotopes Help to Probe Water's Structure Scientists have used isotopic substitution of oxygen to take a closer look at the molecular structure of water. |
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 July 29, 2010 Carol Stanier |
Methane all lined up Swiss researchers have found that the way methane molecules vibrate when they hit a nickel surface can have a huge effect on their reactivity. |
Chemistry World November 23, 2006 Simon Hadlington |
Unfolding Peptide Watched in Real Time Researchers have observed a peptide molecule changing shape in real time. The ultrafast process was monitored using a technique called transient two-dimensional infrared spectroscopy. |
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. |
Chemistry World June 7, 2012 Simon Hadlington |
Rethinking redox chemistry Metal oxide redox chemistry may be due a big re-think following new research by US scientists. It seems that it is not solely electrons that are being shunted about. In many, possibly most, cases a proton also comes along for the ride. |
Chemistry World October 25, 2012 Philip Ball |
h is for horoscope? Named after Jorge Hirsch, the physicist who devised this measure of achievement, the h index quantifies how many highly cited papers an individual has written: h of his or her papers have been cited at least h times. Hirsch says that tenured researchers tend to have an h index of at least 12. |
Chemistry World September 13, 2012 Philip Ball |
Bright idea to probe bond order The order of multiple bonds can be uncovered using atomic force microscopy, according to Leo Gross of IBM Research in Zurich and his co-workers. |
Chemistry World August 2010 |
Let's get physical The field of physical chemistry is booming, as more and more scientists seek to understand their work on a molecular level |
Chemistry World September 24, 2009 Rajendrani Mukhopadhyay |
A moist moon Strong evidence for water on the moon's surface has been found by three separate spacecraft-based spectroscopic studies. |
Chemistry World August 22, 2008 Hayley Birch |
Drug uptake rule challenged A study by UK scientists apparently contradicts a 100-year-old rule thought to govern the rate at which molecules cross biological membranes. |
Reactive Reports Issue 72 David Bradley |
Ice Age the Movie The ordered structure of ice dissolves little by little into disorder when a tiny burst of light hits an ice crystal. |
Chemistry World August 30, 2012 Simon Hadlington |
Record proton conductivity claim withdrawn US chemists have withdrawn a claim that they created a crystalline nanowire that can conduct protons at world record speeds after other researchers, and subsequently they themselves, failed to reproduce the results. |
Chemistry World February 16, 2012 Simon Hadlington |
'Proton grease' speeds up molecular rotor A molecular rotor whose spin can be accelerated 10-million-fold when its mechanism is 'lubricated' by protons has been synthesized by chemists in the US. |
Chemistry World August 11, 2011 Josh Howgego |
Enzyme Inspired Nickel Complex Races to Produce Hydrogen A cheap nickel catalyst could pave the way for the industrial production of hydrogen - a step on the road to a hydrogen economy. |
Chemistry World August 2011 |
Column: The crucible Philip Ball wonders to what extent molecular structures are metaphorical and philosophical. |
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. |