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Chemistry World July 25, 2013 Rowan Frame |
Nanomagnets clean blood Nanoparticles that never have to enter the body can capture harmful components in blood, scientists in Switzerland have shown.  |
Chemistry World September 23, 2008 Simon Hadlington |
Nanoparticles Hide Behind Protein Cloak Polymer nanoparticles suspended in human blood become cloaked in plasma proteins, new research has shown.  |
Chemistry World April 7, 2009 Lewis Brindley |
Cells get in line Magnetic nanoparticles that 'shepherd' cells into neat lines have been designed by American scientists.  |
Chemistry World October 2, 2012 Fiona McKenzie |
Protein sorting within cells US scientists have used magnetic nanoparticles with specific ligands to latch on to and visualize specific proteins in living cells.  |
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.  |
Chemistry World July 9, 2013 Daniel Johnson |
Stealthy nanoparticles gather to take on tumors A team of Chinese scientists have created nanoparticles that respond to changes in pH, clumping together in acidic conditions.  |
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 July 26, 2010 Phillip Broadwith |
Predicting nanoparticle toxicity Judging nanoparticle toxicity could be made easier by a new theoretical model that predicts which materials will make nanoparticles that could damage living cells. The model can predict the available electronic energy levels in the nanoparticle structure  |
Chemistry World January 19, 2007 Lionel Milgrom |
Quantum Theory Reveals Why Lead Poisons Lead is one heavy metal. It can cause irreversible blood, brain, kidney, and liver damage. But why is it so toxic? Using quantum chemistry and enzyme model compounds, researchers now believe they have the answer.  |
Technology Research News December 11, 2002 Eric Smalley |
Microscopic mix strengthens magnet Magnets are usually an either-or proposition. They either generate a strong magnetic field or they hold up well in the presence of external magnetic fields. A method that mixes the two types of magnets at the nanoscale could pave the way for smaller electric motors and generators.  |
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.  |
Scientific American July 2009 Kate Wilcox |
Yanking Pathogens Out of Blood with Magnets Germ-grabbing magnetic beads that can be pulled from the blood  |
Chemistry World August 2009 Philip Ball |
Column: The crucible Zinc nanoparticles appear to have the ability to make odorants smell stronger and could a give a valuable insight into how olfaction works  |
Chemistry World September 7, 2012 Andrew Shore |
Groundwater arsenic detector Groundwater contaminated with arsenic has led to an epidemic of arsenic poisoning in parts of Bangladesh and India. Scientists in China have developed a sensor to detect arsenic quickly and accurately in water.  |
Chemistry World August 16, 2006 Michael Gross |
Nanoparticle Toxicity Tested The rapid advance of nanotechnology has raised concerns that substances known to be harmless in bulk might turn out toxic or carcinogenic in certain fibrous or nanoparticle forms.  |
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.  |
Chemistry World October 7, 2012 David Bradley |
Magnetic nanoparticles zap cancer Nanoparticles can be used as a remote-controlled magnetic death switch to kill cancer cells, according to researchers from Korea.  |
Chemistry World October 2010 |
Artificial blood Synthetic alternatives to donor blood have been stuck in development for decades. Nina Notman reports on recent promising progress  |
Chemistry World March 20, 2014 James Urquhart |
Nanoparticle composites make colorful magnetic crystals Incorporating nanoparticles into single crystal materials can imbue them with new properties, such as color and magnetism, thanks to gel crystallization techniques developed independently by UK and Chinese research groups.  |
Chemistry World July 17, 2012 Harriet Brewerton |
Pinning down cancer US scientists have synthesized pin-shaped nanoparticles with magnetic and optical properties. The nanoparticles could be used for magnetic resonance imaging, early detection and photothermal therapy of cancer and other diseases.  |
Chemistry World January 8, 2007 Michael Gross |
Nano-Clots Target Tumours Researchers have created nanoparticles that form clots within the blood vessels of tumors. They hope that with further improvements these could be used either to starve tumors or to target them with cytotoxic drugs.  |
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 February 12, 2012 Jon Cartwright |
Nanoparticles slow iron absorption in the gut Nanoparticles used in food and pharmaceuticals could have unintended physiological effects.  |
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 June 27, 2014 Patrick Walter |
Simple substitution cuts solar cell toxicity A cheap chemical used to make bath salts and tofu looks to be the solution to cutting toxic cadmium from a promising type of solar cell.  |
Chemistry World September 4, 2013 Emma Stoye |
Cracked bones attract healing nanoparticles A US team have used drug-loaded nanoparticles to detect and heal tiny cracks in human bones. Their system uses ions leaking from the crack to draw the particles to damaged areas.  |
HHMI Bulletin May 2010 Sarah C.P. Williams |
Young Again Niche cells can reverse the aging of stem cells.  |
Chemistry World April 5, 2007 Lionel Milgrom |
Nanoparticles Make Better MRI Images Manganese oxide nanoparticles have been used as contrast agent for magnetic resonance imaging, allowing researchers to see inside living brains in the same detail as dissected tissue under a microscope.  |
Chemistry World February 14, 2011 Rachel Cooper |
Small and sensitive nanoparticles A new highly sensitive nanoparticle contrast agent for imaging in the body stays in the bloodstream longer and is better at targeting tumors than other nanoparticle contrast agents, say Chinese scientists.  |
Chemistry World May 4, 2010 Lewis Brindley |
Blood type testing for a few pence 'Our technique prints a microfluidic circuit containing the three antibodies (A, B and D) directly onto paper,' says Gil Garnier, who led the research at Monash University in Melbourne.  |
Chemistry World February 18, 2009 Lewis Brindley |
Nanomaterials Blossom US researchers have found a new way to use magnetic fields to encourage nanoparticles to self-assemble into unique shapes.  |
Chemistry World May 31, 2006 Jon Evans |
Carbon Joins the Dots Carbon could soon replace cadmium as the material of choice for quantum dots, following the development of fluorescent carbon nanoparticles by scientists.  |
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 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 June 4, 2010 Manisha Lalloo |
Antibacterial nanoparticles from bacteria Scientists have found that silver nanoparticles made using bacteria have better antibacterial properties than their chemically synthesised counterparts.  |
IEEE Spectrum September 2007 Karn & Matthews |
Nano Particles Without Macroproblems Quick and dirty advice for keeping nanotech clean.  |
Chemistry World May 27, 2011 Sean Milmo |
EU bans cadmium in plastics, jewellery The EU is banning the use of cadmium, a heavy metal carcinogen, in plastics, jewellery and brazing or soldering sticks from December this year.  |
Chemistry World January 9, 2014 Tim Wogan |
Disorder opens up battery material field Better lithium-ion batteries that hold more power could be made by introducing disorder into their electrodes -- going against the prevailing wisdom on the best way to improve them.  |
American Family Physician August 1, 2002 |
High Blood Pressure and Exercise What is blood pressure, and what is high blood pressure?... Who gets high blood pressure?... Can I still get high blood pressure if I exercise?... What can I do if my doctor tells me that I have high blood pressure?...Will medicine that lowers my blood pressure affect my exercise?... etc.  |
Chemistry World December 18, 2013 Sarah Kenwright |
Excess glucose limits blood transfusion success Reducing the level of glucose in solutions used to process blood donations could benefit patients receiving blood transfusions, new research shows.  |
Chemistry World October 19, 2009 Lewis Brindley |
Nanoparticles brought to order US researchers have developed a process that could bring the unusual properties of nanoparticles to a larger scale, by using small molecules to evenly space nanoparticles in a polymer composite.  |
Chemistry World April 9, 2008 Mark Peplow |
vCJD filter for blood could be in use 'by summer' ProMetic's prion filter, attached to a blood pack, is being marketed by French medical equipment company MacoPharma to clean blood of the proteins responsible for variant Creutzfeldt-Jakob disease (vCJD).  |
Chemistry World March 3, 2008 Lewis Brindley |
Sulfide Sponge Could Clean up Nuclear Waste A new material that can extract radioactive strontium ions from solutions could help to clean up nuclear waste, according to researchers in the US.  |
Chemistry World June 11, 2009 Lewis Brindley |
'Electronic glue' makes nanocrystals connect American chemists have developed an 'electronic glue' to link nanocrystals together - allowing groups of the crystals to be highly conductive.  |
IEEE Spectrum August 2011 Hadjipanayis & Gabay |
The Incredible Pull of Nanocomposite Magnets Nanotechnology could make rare earth magnets even stronger.  |
Chemistry World May 7, 2009 Phillip Broadwith |
Polymers release insulin in response to glucose trigger Chinese researchers have developed polymer nanoparticles that can release insulin in response to changes in glucose concentration, creating a potential treatment for diabetes.  |
Chemistry World May 1, 2013 Dinsa Sachan |
High lead levels in Indian children blamed on paints Old lead paint around Delhi may go some way to explaining the high levels of lead in the blood of the capital city's children  |
Chemistry World April 2, 2009 Jon Cartwright |
Biological battery powers up Scientists in the US have created a rechargeable 'lithium ion' battery with the help of a genetically programmed virus that acts as a scaffold for highly conductive electrodes.  |
Chemistry World February 4, 2011 Harriet Brewerton |
Transplant tracking Magnetic nanoparticles could be used to track neural stem cells after a transplant in order to monitor how the cells heal spinal injuries, say UK scientists.  |
Popular Mechanics December 16, 2008 Michael Milstein |
Bringing Stem Cells to War: Meet the Blood Pharmers Fresher blood is better than stale: It carries more oxygen and, when transfused into patients, speeds recovery.  |