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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 February 7, 2011 Carl Saxton |
Targeting memory loss A new treatment for Alzheimer's disease has been developed by Canadian and US scientists. |
Chemistry World October 15, 2008 Simon Hadlington |
Long-life light illuminates cells The new dye, based on platinum, will carry on emitting light long after any interfering 'autofluorescence' from naturally occurring molecules in the cell has fizzled out. |
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 March 16, 2009 Hayley Birch |
Nanodumbbells Target Cancer Cells US scientists have designed nanoparticles that function like 'guided missiles' in the targeted destruction of breast cancer cells. |
Chemistry World April 20, 2012 Jennifer Newton |
Nanocrystal probes mimic viruses to gain entry into cells Colloidal polymer vectors loaded with nanocrystal probes enter cells in the same way as a virus and can be used to track cells for therapies such as those based on stem cells |
Chemistry World April 19, 2011 Simon Hadlington |
Cell factories package drugs for delivery Scientists in Australia and Germany have used living cells as 'factories' to encapsulate particles such as drugs in biological membranes. |
Chemistry World December 19, 2012 Amy Middleton-Gear |
Early Alzheimer's diagnosis compound UK and US scientists have developed a labelled tracer compound that binds to plaques closely associated with Alzheimer's disease so that the plaques can be picked up by a medical imaging technique. |
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 October 24, 2008 Hayley Birch |
Proteins swap partners UK researchers have discovered that proteins which use metal cofactors can be surprisingly promiscuous metal binders, happily taking up the 'wrong' metal. |
Chemistry World July 5, 2011 Mike Brown |
Metallic Pick and Mix with Complexes Scientists in Germany have plucked a metal ion from the middle of a phthalocyanine molecule on a silver surface. The simple method of removal, which employs a scanning tunnelling microscope, could be used to make cheaper molecular storage devices. |
Chemistry World January 5, 2012 Helen Bache |
Cleaning Cadmium From Blood With the development of modern industries, heavy metal pollution in humans is on the rise, say researchers in China, who have now designed a supermagnetic nanocomposite to effectively remove one of the pollutants - cadmium ions - from blood. |
Chemistry World July 28, 2009 Michael Gross |
DNA to direct and switch off chemo Researchers in the US have developed a new approach to cancer chemotherapy using short DNA strands to help target delivery of the drug directly to cancer cells, and 'call it off' should problems arise. |
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. |
Chemistry World September 24, 2008 Lewis Brindley |
Copper Future for Solar Cells Rare ruthenium complexes that are a key component of dye-sensitized solar cells could be replaced by molecules based on copper. |
Chemistry World June 21, 2006 Katharine Sanderson |
Peptide Agent Tracks Angiogenesis A molecular imaging agent that can track the progress of tumour growth is about to be trialled by GE Healthcare. |
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 September 1, 2006 Katharine Sanderson |
Copper Mines and Coordination Chemistry Extracting pure copper metal from low-grade metal ores will benefit from the latest coordination chemistry research, thanks to a molecule that can hold negative and positive ions in place, UK chemists claim. |
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. |
Chemistry World October 31, 2014 Jason Woolford |
Square planar iron complex breaks inorganic dogma Researchers have synthesized a square-planar Fe(ii) complex that is not only high spin, but has a different core (FeO 2NCl) to the only other examples of this complex type, all of which feature an FeO 4 core. |
Chemistry World April 7, 2011 |
Molecular Fridge Can Reach Millikelvin Scientists have laid the foundations for a high-performance 'molecular fridge' capable of reaching temperatures within a few thousandths of a degree of absolute zero with a high degree of efficiency. |
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 October 25, 2010 |
Dual Purpose Dyes Offer New Imaging Options US researchers have developed a new series of combined fluorescent and chemiluminescent dye compounds that can be stored at low temperatures and then activated to release near infrared light when warmed to body temperature. |
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 October 28, 2013 Jennifer Newton |
Crystal within a crystal Colleagues at the University of Strasbourg used a molecular tectonics strategy to prepare the crystals. |
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. |
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 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 November 8, 2007 James Mitchell Crow |
First Mg(I) Complex Made Chemists have created the first stable magnesium(I) compounds, a breakthrough for a metal whose chemistry is ruled by the oxidation state. |
Chemistry World February 13, 2012 Andy Extance |
Protocells called thermal springs home The first 'protocells' may have arisen in puddles of liquid spewed onto the ancient Earth's surface by thermal springs rather than near deep sea hydrothermal vents. |
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 February 7, 2008 Simon Hadlington |
Crystal Shows Colossal Expansion A super-stretchy crystal could help to develop improved coatings for satellites facing the extreme temperature variations of space, according to UK scientists. |
Technology Research News October 20, 2004 Kimberly Patch |
Cooler material boosts fuel cells A cathode that allows solid oxide fuel cells to operate at reduced temperaures promises to lower the cost of fuel cells, which could spur broader adoption of the technology. |
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. |
IEEE Spectrum July 2007 Suhas Sreedhar |
Plastic Solar Cells Get a Boost by Doubling Up Scientists in Korea and California have invented a new way of boosting the efficiency of cheap plastic solar cells, making them more competitive with traditional silicon solar cells. The key is to make the solar cells in pairs. |
Chemistry World May 1, 2014 James Urquhart |
Ancient oceans' metals mimicked metabolism Primitive metabolism of sugar phosphates may have started spontaneously in ancient oceans around 4 billion years ago and given rise to life, according to UK researchers. |
Bio-IT World December 15, 2003 Malorye A. Branca |
Scenes from a Cell Breakthroughs are making cell-based screening faster, easier, more powerful. |
Chemistry World July 9, 2012 Jessica Cocker |
Color changing paper sensor Paper with the ability to change color in response to different ions, solvents and UV irradiation has been developed by US scientists and could be used to develop faster and more stable chemical sensors. |
Chemistry World July 30, 2007 James Mitchell Crow |
Cell Transplant Hope for Diabetes Sufferers Iron-based 'magnetocapsules' of insulin-producing cells could help doctors use cell transplants to treat type I diabetes. |
Chemistry World April 22, 2015 Cesar Palmero |
Photoacoustic nanoparticles highlight uranium in the body Nanoparticles that can be detected with photoacoustic imaging when they complex with uranium ions could open the door to new plans of action after radiological incidents, like Chernobyl or Fukushima, US researchers claim. |
Chemistry World January 17, 2007 Richard Van Noorden |
Molecular Magnets of Mystery Researchers have discovered a new class of molecular magnets which work above room temperature. But why the magnets work, and what their structures are, remains a perplexing mystery. |
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 January 26, 2015 Matthew Gunther |
Alkali metal explosion explained The chemistry behind dropping sodium into water and watching it explode may require a rethink, according to scientists in the Czech Republic. |
Chemistry World September 18, 2012 Harriet Brewerton |
Colorful metal detection Scientists in China have developed a sensor that can indicate the presence of heavy metal ions in a sample with a simple color change by using aptamers. Aptamers are single-stranded DNA or RNA molecules. |
Reactive Reports Issue 63 David Bradley |
Chemists Go Round the Bend Chemists often think of molecular wires as "shape-persistent" rods with limited flexibility, but researchers have now shown that molecular wires can be bent into ring shapes. |
Chemistry World January 10, 2014 Jennifer Newton |
Nitrenium hugs stabilize positively rare complexes Everyone knows that like charges repel one another. But unusual coordination compounds bearing cationic ligands bound to cationic metals have been prepared by scientists in Israel, opening up fresh opportunities for organic transformations. |
Chemistry World August 15, 2007 John Bonner |
Chemists Claim Biological Alchemy South Korean chemists say they have turned muscle cells from the sole of a human foot into something akin to stem cells, using a simple molecule called neurodazine. |
Chemistry World October 15, 2014 Andy Extance |
Fluorescent DNA becomes versatile metal detector Researchers at Stanford University in the US have devised a cheap DNA-based system able to detect and identify an unprecedented number of metals in water. |
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 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. |