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Chemistry World January 30, 2014 Cally Haynes |
Fluorescent cryptand recognises radioactive pollutant The first fluorescent sensor for radioactive pertechnetate anions has been developed by researchers in Italy and Switzerland. |
Chemistry World October 5, 2006 Mark Peplow |
Boron Shows Its Negative Side A molecule that hosts a negatively-charged boron atom could prove to be an exciting addition to the chemist's toolbox, according to researchers who have isolated the anion as its lithium salt. |
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 November 1, 2007 Richard Van Noorden |
Step Change for Organic Synthesis US chemists discovered how to attack a complex molecule's unreactive carbon-hydrogen bonds, without resorting to wasteful synthetic aids like protecting and directing groups. |
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 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 January 6, 2010 Phillip Broadwith |
Enzymes do the twist The way enzyme catalysts bind molecules to speed up their reactions is not as simple as once thought, say chemists from the UK and Spain. |
Chemistry World April 27, 2009 Phillip Broadwith |
Tailor-made cage for sulfate anions Chemists in the US have made a self-assembling cage designed specifically to recognize sulfate anions. |
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 June 23, 2011 Simon Hadlington |
Breaking the carbon-fluorine bond US chemists have discovered a new way to break the bond between carbon and fluorine atoms - the strongest carbon bond there is. |
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 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 December 3, 2009 Simon Hadlington |
C-H Bond Activation Takes the Relaxing Route Chemists have uncovered a key factor that helps determine the reactivity of a C-H bond to oxidation. |
Chemistry World July 9, 2012 Phillip Broadwith |
'Molecular cobra' turns C-H to C=C A reagent developed by US chemists can selectively introduce synthetically useful C=C double bonds into unactivated carbon chains, guided by an activating group attached to a nearby oxygen or nitrogen atom. |
HHMI Bulletin Nov 2011 Nicole Kresge |
Unlocking the Interferon Puzzle Scientists show that interferon signaling depends on bond strength. |
Chemistry World April 4, 2013 Phillip Broadwith |
A solution to fluoronium riddle The first evidence for hypervalent fluorine cations, or fluoronium ions, in solution has been found by US chemists. |
Chemistry World September 12, 2010 Simon Hadlington |
Isotope effect seen on single molecule The isotope effect - where the rate of a reaction is altered depending on the presence of a given isotopic atom in the reactant - is a key tool for elucidating reaction mechanisms |
Chemistry World September 15, 2011 David Bradley |
Sound Approach to Unclicking Click Chemistry Ultrasound can be used to physically release a triazole from a polymer-companies. |
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 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 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 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 September 1, 2009 Tom Bond |
Complex shines a light on its own creation A complex that spontaneously forms at a surface and then signals its own assembly has been created by scientists from the Netherlands. |
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, 2012 Rachel Cooper |
Bromine anion caught in a supramolecular trap Scientists in the UK and China have encapsulated a bromine anion in a supramolecular cavity to make a compound that could act as a model for metal-/anion-doped TiO 2. |
Chemistry World May 16, 2010 Simon Hadlington |
Anions enjoy a taste of pi European researchers have captured the moment when an anion interacts with the pi electron cloud of an aromatic molecule, something that has been known to occur but never seen at work. |
Chemistry World May 28, 2012 Phillip Broadwith |
Photo-finish for Olympicene UK chemists have synthesized and imaged a molecule that closely resembles the Olympic rings. |
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 4, 2015 Philip Ball |
Program ready to weed out tough drug leads A method for reliably predicting how well a candidate drug molecule will bind to its target receptor would allow libraries of molecules to be screened on the computer, without having to synthesize them all. |
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 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 16, 2009 Simon Hadlington |
Strange vibrations Researchers in Taiwan have shown that in a relatively simple molecular system the induced vibrations can inhibit the breaking of the bond and slow the reaction down. |
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 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 February 22, 2008 James Mitchell Crow |
Rhodium Fast Tracks Route to Lactones Chemists in Canada have developed an efficient new way to make lactones, chemical components of many natural products and drugs. |
Chemistry World March 21, 2007 Richard Van Noorden |
Forcing a Reaction US chemists have forced molecules to react by ripping their bonds apart with ultrasound. The scientists carefully stretched one targeted bond until it snapped, guiding the molecule's subsequent reaction into pathways forbidden by conventional chemistry. |
Chemistry World October 23, 2009 Phillip Broadwith |
Methane all bound up US chemists have characterized the first stable sigma-methane complex in which methane binds to a metal without breaking its C-H bonds. |
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 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. |
Chemistry World July 27, 2007 Richard Van Noorden |
Space Monster Discovered Astrochemists who waited 25 years to find an anion in space have spotted three in less than a year. |
Chemistry World October 12, 2011 Joanne Thomson |
Hot Chemistry Temperature played a crucial role in David MacMillan's decision to study chemistry. |
Chemistry World May 2009 Paul Docherty |
Column: Totally Synthetic After a glorious 1980s and 90s as the pin-ups of total synthesis, it seems that the macrolides are now passe, and all the cool kids have moved on to work on alkaloid natural products |
Chemistry World March 6, 2011 Mike Brown |
Molecules that walk, hop and jump 'Two legged' molecules walk, hop and fly across a receptor surface, according to researchers in the Netherlands and Ireland. The findings could help us understand how viruses and bacteria interact with cell membranes, they say. |
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 March 22, 2012 Ross McLaren |
Back to the future: old reactions to help the new Researchers from the US have delved into the history of organic chemistry to help chemists better predict the effect that functional groups will have on one another within a molecule. |
Chemistry World January 24, 2011 Andy Extance |
Dimer delivers pinpoint recognition US researchers have synthesised a supramolecular host system that provides novel selective recognition of two different guest molecule types without cross-over or interference. |
Chemistry World February 20, 2012 James Urquhart |
Unusual kinetics of catalyst revealed US researchers have elucidated the unusual reaction kinetics of C-H activation by the palladium(II) catalyst (Pd(OAc) 2). |
Chemistry World February 27, 2013 Simon Hadlington |
Supercharging methanol for fuel cells Scientists in Germany and Italy have discovered a way to derive hydrogen gas from methanol at low temperatures and pressures using soluble ruthenium-based 'pincer' catalysts. |
Chemistry World April 14, 2013 Andy Extance |
Split water splitting raises green hydrogen hopes UK scientists say that they have developed the first widely-useable electrolysis system that splits water and releases hydrogen and oxygen in separate stages. |
Chemistry World January 2012 Paul Docherty |
Column: Totally Synthetic What a Japanese team demonstrates in this synthesis of dragmacidin D is the state of the art, uniting all the key fragments using C-H bond couplings. |