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Chemistry World August 5, 2009 Phillip Broadwith |
Zipping photovoltaics up straight Straightening out the backbone of supramolecular self-assembling photovoltaic devices leads to dramatic improvements in device performance, Swiss scientists revealed this week at the Iupac Congress in Glasgow, UK. |
Technology Research News August 11, 2004 |
Single gold atoms altered The gold atom, positioned on an ultrathin film of sodium chloride, remained stable during the operation, despite the change in charge. |
Technology Research News October 8, 2003 |
Nanotubes harvest electrons Researchers from the University of Bologna and the University of Trieste in Italy, and the University of Notre Dame have found a way to alter carbon nanotubes so that they efficiently separate electrical charge. The method could lead to more efficient solar cells. |
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 February 8, 2006 Jon Evans |
To Boldly go Where no Chemist Has Gone Before Studying the interactions between different molecular fragments is taking researchers to the uncharted regions of chemical space. |
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. |
Technology Research News January 26, 2005 |
The How It Works Files Nanotechnology: The laws of physics behave differently at very small scales. At the nanoscale, electrons travel more quickly through wires, transistors can mete out electrons one at a time, objects stick to each other, and light can bend matter. |
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 May 2009 |
The artificial leaf Using sunlight to split water molecules and form hydrogen fuel is one of the most promising tactics for kicking our carbon habit. |
Chemistry World March 23, 2007 Richard Van Noorden |
The Hole Story UK chemists are trying to create the first liquids made from holes. The strange fluids could change the way chemical plants operate, they claim. |
Chemistry World March 31, 2009 Lewis Brindley |
Giving molecules a stretch A simple way to stretch small molecules and measure the forces at play has been developed by researchers in the US. |
Chemistry World March 7, 2010 Simon Hadlington |
Solvated electron mystery solved Researchers have answered a riddle that has been puzzling scientists for decades: why is it that electrons in an aqueous environment appear to exist in two distinct states |
Chemistry World January 21, 2011 Russell Johnson |
Jump starting prebiotic photochemistry Light activated reactions of organic molecules in fatty acid membranes offers a plausible method for energy transfer and storage in prebiotic systems, claim US scientists. |
Technology Research News November 5, 2003 |
Paired molecules store data Researchers from the University of California at Irvine have bonded a pair of molecules to form a molecule that has two states. The components are photochromic fulgimide and a dye molecule capable of florescence. |
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. |
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 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 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. |
Chemistry World June 28, 2011 Mike Brown |
Photosystems Made Using '3D Tetris' Scientists in Switzerland have designed self-sorted multicomponent surface architectures for supramolecular organic photosystems that are 40 times more active at generating electrical current from light energy than their single-component counterparts. |
Chemistry World November 24, 2006 Richard Van Noorden |
Cooking up Nano-Fusilli Here's a new twist on nanotubes: chemists have found a set of organic molecules that spontaneously assemble themselves into a helical spiral with a hollow core. |
Technology Research News December 15, 2004 Kimberly Patch |
Molecule Harvests Water's Hydrogen The key to producing clean hydrogen energy is finding a non-polluting method to extract pure hydrogen from its most abundant source, water. Researchers have developed a supramolecular complex that could be used in devices that use light energy to extract hydrogen from water. |
Chemistry World December 14, 2011 Kate McAlpine |
Artificial intelligence for quantum chemistry Quantum chemical approximations don't always need to start from scratch, says an international team of researchers. Algorithms can now be used to predict the atomisation energy of huge numbers of molecules |
Chemistry World March 9, 2007 Michael Gross |
Nanowires go Round the Bend Chemists have bent an apparently linear molecular wire into a closed circle, creating a conducting ring just 3 nanometers across. |
Chemistry World May 16, 2006 Jon Evans |
Buckyballs Worth Their Weight in Gold A team of chemists and physicists has uncovered evidence for the existence of hollow buckyball-like cages made of gold. |
Chemistry World June 13, 2012 Simon Hadlington |
Exploding molecule provides 3D bond images Researchers from the US and Germany have demonstrated a new way to obtain accurate three-dimensional images of molecules, with precise measurements of the geometry of the molecule's chemical bonds. |
Chemistry World July 24, 2006 Killugudi Jayaraman |
Plastic Solar Cells Make Light Work Solar cells based on organic semiconductors instead of silicon could potentially turn wall paints into a source of electricity, but their low efficiency is a major roadblock. Scientists now believe they have a new approach to boosting the output from polymer cells. |
Chemistry World November 28, 2007 Tom Westgate |
Molecular Traffic Spied in Nanoscale Tube Network Chemists in Germany have tracked single molecules diffusing through a porous solid for the first time. |
HHMI Bulletin Nov 2011 Sarah C. P. Williams |
Living Chemistry Biologists understand better what chemists can bring to the table. And chemists understand better the questions that biologists really care about. This has led to a bigger impact of chemists on biological problems. |
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 June 22, 2010 Andy Extance |
Powering up organic solar cells Organic molecules combining aromatic, lipophilic and hydrophilic segments can organise themselves into structures with five times the photoconductivity of structures like those typically adopted by aromatic groups alone. |
Chemistry World May 20, 2008 Philip Ball |
Core electrons' quantum jig revealed Experiments in quantum mechanics are a little like conversations: the answer you get depends on how you ask the question. |
Chemistry World December 11, 2007 Lewis Brindley |
Chemists Fake Virus Capsids Scientists have made molecular 'tiles' that stick together, mimicking the football-like outer shell of a virus. Such self-assembling molecular capsules would be big enough to hold drug molecules and could provide new ways to make nanoparticles. |
Technology Research News March 24, 2004 Eric Smalley |
Molecular logic proposed Researchers from the French National Center for Scientific Research (CNRS) and University College London in England have devised a scheme for designing logic circuits within individual molecules. |
Technology Research News September 10, 2003 |
Gold speck highlights molecules How do you sense what is happening at the scale of molecules? Researchers have found a way to detect the very small spectral shifts that occur when the light scattering off a single gold nanoparticle interacts with molecules. |
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. |
Scientific American April 18, 2005 Kauffmann & van den Bosch |
CT Scan for Molecules Producing 3-d images of electron orbitals. |
Chemistry World November 23, 2007 Jonathan Edwards |
OLED Chemists Have a Bright Idea Organic light-emitting diodes (OLEDs) can be made more cheaply and easily thanks to a new molecule made by Chinese chemists. |
Technology Research News November 19, 2003 |
Molecular memory is electric Researchers from Osaka Kyoiku University in Japan have found a way to use a single molecule to store computer information. |
Chemistry World July 31, 2008 |
Nanostructures Made Easy Scotland-based chemists have invented a new way to build nanoscale arrays of molecules over a large surface area: a technique that may be key to making nanostructures in sophisticated sensors, catalysts, and tiny computer parts. |
Chemistry World April 26, 2009 Simon Hadlington |
Glowing protein in 'animal photosynthesis' Scientists have discovered that a glowing protein found in some exotic marine animals and used widely as a 'marker' in molecular biology has another remarkable property |
Geotimes June 2006 Stephen L. Gillett |
A Nanotechnology Revolution for the Geosciences Wastewater streams, acid-mine drainage, seawater, concentrated natural brines such as those in oilfields or saline lakes -- sometimes viewed now as problems -- all could become potential sources of materials with the help of nanotechnology. |
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 December 23, 2009 Phillip Broadwith |
Opening the gate for molecular electronics Chemists in Korea and the US have shown that the current running through a transistor made of a single molecule can be regulated by tweaking its molecular orbital energies. |
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 January 22, 2007 Richard Van Noorden |
First Synchrotron for Neutral Molecules Scientists have built and demonstrated the first synchrotron to work on neutral molecules. It could be used to study collisions of cold, slow-moving molecules, allowing chemists to probe their behavior with a resolution impossible to achieve at higher temperatures. |
Chemistry World July 28, 2010 Andy Extance |
Molecular interference reveals reactions Scientists can now see atoms reacting on the femtosecond timescale in unprecedented detail, thanks to a laser technique developed at the University of Ottawa. |
Technology Research News April 21, 2004 Eric Smalley |
Molecule Makes Electric Motor Researchers have built molecules that can spin on command, but finding a way to harness this molecular motion to carry out work is more difficult. A molecule that has a limited range of motion opens up new possibilities. |
Technology Research News November 5, 2003 |
Electrons spin magnetic fields Spintronics researchers are looking for ways to control and use electron spin. Researchers from Cornell University and Yale University have brought the field a step forward by showing that a flow of electrons that all have the same spin can transfer angular momentum to magnetic material. |
Chemistry World November 3, 2008 Simon Hadlington |
Organic synthesis set for auto-pilot Peptides are routinely made by machines that couple together amino acid components. Could organic synthesis ever get this simple? |
Technology Research News June 15, 2005 |
Power Sources: Fuel Cells, Solar Cells, Heat, Vibration and Fusion Summaries of how each of these power sources work to create energy. |