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Chemistry World February 2, 2014 Emma Stoye |
Artificial membrane harvests light like a cell Photosensitive compounds built into an artificial membrane can capture light energy in the same way as proton pumps found in biological cells. |
Chemistry World September 21, 2010 Hayley Birch |
Self-pumping membrane mimics cell machinery US researchers have imitated the transport functions of biological membranes by incorporating tiny pumps into synthetic membranes. They say their 'self-pumping' mimics could be used in compartment-less fuel cells. |
Chemistry World October 1, 2015 Matthew Gunther |
Excess protons play hopscotch in water Scientists in the US have observed how excess protons move through water. |
Chemistry World June 1, 2014 Tim Wogan |
Squid skin conductor for bioelectronics A protein from squid skin is a good conductor of protons, researchers in California have discovered. |
Chemistry World February 11, 2013 Philip Ball |
A (chemical) potential theory of life's origin This theory says that life arose at hydrothermal vents, not merely because these provide heat and the ingredients for making complex organics but because they create sustained gradients of ion concentration. |
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 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 October 21, 2010 |
Studies Probe Key Flu Protein New details about the structure of an influenza protein that is a key drug target have been revealed in separate studies by groups in the US. The two studies provide insights into the workings of the protein machinery that the virus needs to infect cells. |
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 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 July 6, 2006 Jon Evans |
Quick-Release Store for Light A collection of chemicals that can harvest the energy of light, storing and then releasing it on demand, has been unveiled by Swiss and German chemists. |
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 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. |
Technology Research News January 29, 2003 Kimberly Patch |
Tiny hole guides atoms against tide Researchers in Poland have made a synthetic device that uses an electrical field and an extremely small, conical pore in a thin film of material to coax potassium ions through the artificial membrane against their electrochemical potential. |
Chemistry World October 9, 2011 Simon Hadlington |
New probe throws light on cellular lipids Scientists in the US have developed a new sensor that can track and measure lipids in living cells. |
Chemistry World April 13, 2011 Fay Nolan-Neylan |
Nanofiltration for better energy storage Scientists in China have found that nanofiltration membranes could enhance the efficiency of vanadium redox flow batteries making them a more viable tool for large-scale energy storage. |
Chemistry World January 10, 2008 Simon Hadlington |
Proton Joins Elite Club of Cellular Messengers Researchers have discovered a new chemical that carries messages rapidly between cells - the first for more than 20 years. But unlike conventional signalling molecules, this is a far simpler chemical entity: it is the humble proton. |
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, 2015 Simon Hadlington |
Molecular pump points way to non-equilibrium chemistry Researchers in the US have developed an artificial molecular pump which can accumulate small, highly charged molecules against a concentration gradient. |
HHMI Bulletin Spring 2013 Nicole Kresge |
A Structural Toolbox Natalie Strynadka wants to design a better antibiotic. Her strategy: learn about the molecules bacteria use to invade cells. Her tool: structural biology. |
Chemistry World January 2010 Philip Ball |
Welcome to the machine Molecular machines have promised so much but are they more whimsical than technical? |
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. |
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 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 July 15, 2014 Philip Ball |
Molecular clocks may probe fundamental laws A new proposal for using molecules rather than atoms for ultra-precise measurement of frequencies could help to probe whether there are fundamental laws of physics beyond the ones we know already. |
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 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 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 March 23, 2015 Philip Ball |
Simple chemistry mimics animals' predator spotting method Some animals, from fish to cats to humans, use edge detection to decode their visual environment: they identify some objects just by their outline. |
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. |
Technology Research News March 23, 2005 |
Nanowires track molecular activity Researchers from Harvard University have found a way to use transistors made from silicon nanowires to gain information about how small molecules bind to proteins. |
Chemistry World November 13, 2007 Lewis Brindley |
Hydrogen From Sewage Hits Production Records Scientists have drastically improved the efficiency of bacteria-powered fuel cells that convert biodegradable organic matter into hydrogen gas. They hope their discovery will make it possible to generate hydrogen from sewage, sustainably and on a large scale. |
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 February 14, 2007 Lionel Milgrom |
Slim-Line Silicon Speeds up Protein Separation Tough, ultra-slim silicon membranes could drastically improve the performance of lab-on-a-chip micro-analytical systems, kidney dialysis machines and, in the future, even produce an artificial kidney, claim researchers. |
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 |
HHMI Bulletin February 2011 Sarah C.P. Williams |
Enforcing Order Changing the spatial arrangement of molecules in a cell can alter their functions. |
Chemistry World October 2011 |
Fuelling the Future Fuel cell vehicles have taken a back seat to battery and hybrid power in recent years. But hydrogen still holds promise in the long term. |
Technology Research News October 20, 2004 |
Molecules positioned on silicon Dubbed multi-step feedback control lithography, this new fabrication process could eventually be used to construct prototype molecular electronic devices for future technologies in areas like consumer electronics and biomedical diagnostics. |
Technology Research News October 22, 2003 |
Embedded rotors mix fluids Researchers have found that it is possible to change the way fluid flows through arrays of tiny rotary motors embedded in a membrane. Minuscule motor arrays could eventually be used to sort, mix and transport molecules for medicine, biology and bioengineering applications. |
Chemistry World July 6, 2007 Michael Gross |
Predicting How Proteins Fold Researchers in Italy and the UK have now developed a computational approach that can simulate the folding of membrane proteins in atomic detail. |
Chemistry World February 11, 2011 David Barden |
Waking up to new possibilities in imaging UK researchers have used a cage-like molecule to smuggle metal ions into cells, which could improve medical imaging. |
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 April 28, 2009 Jon Cartwright |
Metal ions give rise to threaded molecules Chemists in France have developed a simple method to synthesize tricky '[3]rotaxane' molecules for potential applications in intelligent materials and molecular machines. |
Bio-IT World January 21, 2005 Mark D. Uehling |
How to Find a New TB Drug Scientists at Johnson & Johnson (JNJ) have announced the first novel class of antibiotics in 40 years. The diarylquinolines, as the new compounds will be known, could offer shorter treatment regimens and be a precise weapon against tuberculosis. |
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 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 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. |
Chemistry World October 19, 2006 Richard Van Noorden |
Great Leap Forward for MRI Imaging Magnetic resonance imaging could one day be used to track individual molecules in the body, thanks to a dramatic increase in the technique's sensitivity. |
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 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. |