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Industrial Physicist Feb/Mar 2003 Eric Lerner |
Briefs Hidden imaging data... Piggy-back chips... Synthetic ion pump... Strong, ductile copper |
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 26, 2011 Kate McAlpine |
Dismissing gatekeepers for enhanced nerve control US researchers have invented a better way to stimulate or block nerve impulses by coating an electrode with a membrane that can control the local concentration of ions. |
Chemistry World November 15, 2012 David Bradley |
DNA folds up into a synthetic ion channel An artificial ion channel that spans a synthetic lipid membrane has been created using DNA origami by researchers in Germany and the US. |
Technology Research News November 5, 2003 Kimberly Patch |
Micro waterflows make power Apply electricity to a microscopic tube of water and the water flows. Turn the equation around and force water through the tube instead, and electricity flows. Put enough of the tiny tubes together -- several million or so -- and you get useful amounts of power, and a new, clean source of energy. |
Chemistry World June 27, 2010 Simon Hadlington |
Nanoparticles allow remote control of cells In an experiment reminiscent of the mind-control rays that featured prominently in B-movies from the 1950s, scientists in the US have used a magnetic field to alter the behavior of an animal. |
Chemistry World March 9, 2011 Simon Hadlington |
Chemical mystery of antifungal compound solved US researchers have applied synthetic organic chemistry to crack a mystery that has baffled scientists for more than 50 years: how the powerful, naturally occurring antifungal compound amphotericin B interacts with sterols in cell membranes. |
Chemistry World May 6, 2010 Andy Extance |
Nanotube chip creates bioelectronic link A protein coupled with a carbon nanotube has provided a previously unavailable direct biological-to-electronic interface, which its developers hope could lead to brain-controlled prosthetic devices. |
Chemistry World April 30, 2009 Nina Notman |
Long live lipid membranes Scientists in the US have massively extended the lifetime of lipid membranes, with potential implications for the pharmaceutical industry |
Chemistry World June 26, 2007 Lionel Milgrom |
Mimicking Biophysics with Water Droplets Scientists have micro-engineered water droplets into protocells. Protocell networks can mimic real biophysical events within living cells. |
HHMI Bulletin February 2012 Marc Wortman |
Where Does It Hurt? Researchers are getting to the molecular details of pain's circuitry to answer the question with real specificity. |
Scientific American October 17, 2005 Charles Q. Choi |
Transistor Flow Control At the heart of modern electronics are transistors, which act like valves to direct the flow of electrons. Now researchers have created the first transistors that electrically control molecules instead. |
Chemistry World March 21, 2010 Lewis Brindley |
Drinking water from sunlight and seawater A device that can 'push' the salt out of seawater has been developed by US researchers. |
HHMI Bulletin Feb 2012 Paul Muhlrad |
Changing Channels Appetite and other deep-seated desires could be modified by altering brain ion channels, according to research at Janelia Farm. |
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 7, 2008 Simon Hadlington |
Coupled proteins to reveal drug hits Researchers in France have successfully attached an 'electrical switch' to a key class of membrane proteins targeted by many drugs. |
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 1, 2011 Josh Howgego |
Small molecules open gates to the brain New tools have been developed which make it possible to chemically shut down nerve cells in the brain at will and study the effects on behavior. The tools - modified ion channels - mean the causal relationship between individual nerves and behavior can be directly studied. |
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 March 5, 2012 James Urquhart |
Simulating Your Way to a Better Supercapacitor Researchers have used computer simulations to elucidate how supercapacitors are able to store electric charge. |
Chemistry World October 11, 2007 Jonathan Edwards |
'Tuneable' Polymer Can Separate Anything An international team of scientists have made a polymer with pores which can be fine-tuned to speedily separate different small molecules -- with applications ranging from carbon capture to fuel cells. |
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. |
Technology Research News November 3, 2004 Kimberly Patch |
DNA in nanotubes sorts molecules Researchers have made a synthetic membrane that recognizes certain biochemical molecules and allows them to pass through. The method could be used to make biological sensors like those needed for genetics research, and to sort biological molecules, |
IEEE Spectrum March 2011 Joseph Calamia |
Engineers Unveil Particle Accelerator on a Chip Zipping ions down a MEMS racetrack could lead to portable particle beams |
Chemistry World October 31, 2010 Michael Gross |
Kiss of death for cancer cells Scientists have deciphered the surprising structure of the perforin pore, which delivers the 'kiss of death' to virus-infected cells and cancer cells in the body. |
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. |
Technology Research News September 22, 2004 |
Virus Forms Nano Template Living matter self-assembles into complex organisms that can contain billions of cells, and researchers have tapped biological molecules like DNA and viruses to self-assemble technologically useful structures and materials. |
Chemistry World March 23, 2011 |
Battery Turns Entropy Into Electricity US researchers have developed a battery that generates power from that entropy difference. |
Chemistry World November 15, 2011 Kate McAlpine |
Shedding light on ultracold reactions in space Two teams of researchers in the US and Europe have shown that light can play a bigger role than expected in the nascent field of ultracold atom-ion interactions. |
Chemistry World December 11, 2008 Hayley Birch |
Protein threading paves the way for nanomachines A team of Dutch and Italian researchers has discovered how proteins are threaded through pores in cell membranes. |
Technology Research News September 24, 2003 |
Artificial DNA stacks metal atoms In recent years, researchers have replaced some of DNA's natural bases with those that attach to metal atoms in order to coax DNA to organize metal ions into tiny structures. Researchers in Japan have tapped the method to form stacks of single metal ions. |
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 August 15, 2012 Andy Extance |
Cells step toward plugless charging What if you could charge your phone's battery by slotting it into the sole of your shoe and walking on it? That bizarre scenario has just become more likely, thanks to Zhong Lin Wang and his team at the Georgia Institute of Technology, US. |
Chemistry World February 9, 2012 Kate McAlpine |
Tiny pump senses chemical changes and acts A team of researchers at Pennsylvania State University has developed a microscale pump that turns on in the presence of a particular chemical, with a flow rate that depends on that chemical's concentration. |
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 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 November 25, 2008 Lewis Brindley |
Silicon for better batteries A new silicon-based anode could greatly increase the storage capacity of lithium ion batteries - boosting the runtimes of devices such as laptops and mobile phones by up to seven times |
Chemistry World October 3, 2006 Michael Gross |
Imaging for the Masses Two US research groups have made progress in the application of mass spectrometry for imaging. |
Chemistry World July 4, 2013 Simon Hadlington |
Why is silver deposition so fast? Researchers appear to have solved one of electrochemistry's more baffling mysteries: why it is that metal ions deposit onto an electrode at an apparently unfeasibly fast rate. |
Chemistry World May 19, 2006 Jon Evans |
CNTs Provide Pores for Thought Membranes containing pores made of carbon nanotubes could improve the efficiency of processes such as desalination and removing CO 2 from industrial emissions. |
Chemistry World August 14, 2009 Jon Cartwright |
Nanomotors detect trace silver Researchers in the US and Germany have found that the speed of synthetic 'nanomotors' responds to nearby concentrations of silver. |
Science News November 16, 2002 |
From the November 12, 1932, issue First Welded Penstock Built in California... Electrified Particles in Air May Explain "Curative Values"... Lignin Made Artificially by Heating Cellulose... |
IEEE Spectrum August 2007 Stick et al. |
The Trap Technique In this first part of a two-part series, the authors discuss how today's computers are running out of room for classical physics to work and how working with the quantum nature of things instead of against it will open up vast new frontiers for computing. |
Chemistry World June 7, 2011 Fiona McKenzie |
Probing cells' power generators UK scientists have developed a probe to monitor bicarbonate concentrations in mitochondria - components in living cells that generate chemical energy. |
IEEE Spectrum March 2006 J. R. Minkel |
Quantum Leap For Quantum Computing The most promising technology for constructing an ultrapowerful quantum computer is the ion trap, a nest of electrodes that holds ions in midair. Researchers have now built the first such ion-trap chips. |
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. |
Chemistry World May 4, 2010 Lewis Brindley |
Nanomachinery gets a spring in its step Molecular springs that always twist the same way are the latest addition to the nanomachinery toolbox. |
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 May 30, 2006 Michael Gross |
A Physiological Role for Healthy Prions Researchers have shown that the healthy version of the scrapie pathogen helps maintain the optimum concentration of copper ions in the cell. |
Chemistry World October 1, 2015 Philip Ball |
Drawn out proteins make self-healing scaffolds An international team of researchers has made tubular protein-based structures that can be shaped into a network by manually pulling out new branches from existing tubes. |