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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. |
Chemistry World May 16, 2014 Patrick Walter |
Three glowing mice Mice injected with quantum dots are helping scientists understand how nanoparticles can accumulate in the body. |
IEEE Spectrum September 2007 Karn & Matthews |
Nano Particles Without Macroproblems Quick and dirty advice for keeping nanotech clean. |
Chemistry World November 6, 2007 Lewis Brindley |
Soybeans Strike Nanogold A simple mix of soybeans, water and gold salts may hold the secret to producing gold nanoparticles without harming the environment, according to one team of US researchers. |
Chemistry World May 1, 2012 David Bradley |
A colorful way to size up nanoparticles Researchers in China have now developed a straightforward light-scattering technique to estimate the size of gold nanoparticles in the 35 to 110nm range. |
Chemistry World August 25, 2010 Phillip Broadwith |
Antibiotic nanoparticles go for gold Chemists in the UK and India have developed a simple, one step synthesis of gold nanoparticles incorporating an antibiotic, without using any other chemicals. |
Chemistry World February 3, 2011 Hayley Birch |
Nanoparticle studies guide coating design A new study provides guidance for designing nanoparticle coatings based on the particles' size and the environment they are to be used in. The research could help scientists create more effective nanoparticle drug carriers. |
Chemistry World July 9, 2014 James Urquhart |
Nanosilver fears come out in the wash Colleagues at the Swiss Federal Laboratories for Materials Science and Technology have shown that nanosilver fabrics actually leak far fewer nanoparticles when washed than previously thought. |
Chemistry World June 5, 2011 James Mitchell Crow |
Nanoparticles scrub up a treat in hot water bath Upping the catalytic activity of gold nanoparticles can be as simple as a good wash in hot water, UK chemists have shown. |
Chemistry World October 7, 2010 Simon Hadlington |
New light shed on 'photothermal' cell death Photothermal therapy - where tiny particles of a metal are introduced into a cell and heated by laser light to kill the cell - might not work in the way people think, researchers in the UK have discovered. |
Chemistry World November 24, 2006 |
Washing Machine Triggers Nanoparticle Regulation Wrangles over a washing machine have pressured America's EPA to regulate commercial products containing silver nanoparticles as a pesticide. But it is not yet clear how the policy will be enforced. |
Chemistry World May 21, 2013 Simon Hadlington |
Silver nanoparticles see the light Researchers have stumbled across a simple but as yet unexplained way to make silver nanoparticles luminescent. The finding is important because luminescence is often used to track the movement and location of nanoparticles -- within cells, for example. |
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 April 20, 2007 Killugudi Jayaraman |
Pesticide Filter Debuts in India A domestic water filter that uses metal nanoparticles to remove dissolved pesticide residues is about to enter the Indian market. Its developers believe it is the first product of its kind in the world to be commercialized. |
Chemistry World February 5, 2014 Andy Extance |
Plants bear palladium catalyst fruit UK researchers have redefined the term 'chemical plant' by showing thale cress (Arabidopsis thaliana) seedlings can reduce palladium salts and help produce catalytic nanoparticles. |
Chemistry World March 17, 2014 Katia Moskvitch |
Nanobionic plants Synthetic nanoparticles can boost photosynthesis in plants and enable them to spot pollutants, according to a team of researchers in the US. |
Chemistry World February 18, 2009 Nina Notman |
Single Nanocatalyst Behaviour Revealed Before you can design the perfect nanoparticle catalyst, you first need to understand the fundamental science that governs their reactivity. U.S. Scientists have said they have done just that. |
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 July 16, 2012 Maria Burke |
Nanosilver in Consumer Goods Under the Spotlight The use of silver nanoparticles in textiles, such as insoles and running shirts, to control unpleasant odors produced by bacteria, appears to present little danger to human health or the aquatic environment, according to a new report by the Danish Environmental Protection Agency. |
Chemistry World December 12, 2006 Richard Van Noorden |
Nano-Hype Comes Out in the Wash The EPA's intent to regulate nanotech is generally applauded, but with nanotoxicology research still in its infancy, and no defined protocols for manufacturers to follow, it is unclear how any regulations would work in practice. |
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 July 10, 2014 |
Emily Weiss: Tuneable illumination Research in the Weiss group looks at the fundamental physical chemistry of colloidal semiconductor quantum dots in both the solution and solid phase. |
CIO February 1, 2003 John Edwards |
Golden Alfalfa Jorge Gardea-Torresdey, chemistry department chairman at the University of Texas at El Paso, says alfalfa filtering is a potentially efficient and cost-effective way of retrieving gold nanoparticles. Best of all, the process is environmentally friendly. |
Chemistry World April 3, 2012 Helen Gray |
Mass spectrometry imaging: the new tool in counterfeit security The ever-increasing sophistication of the counterfeit trade is a growing economic problem, and when applied to pharmaceuticals, dangerous to human health. |
Science News November 30, 2008 Janet Raloff |
Nanosilver Disinfects -- But At What Price? Consumer and medical products employ billionths-of-a-meter scale silver particles as embedded disinfectants. A study now suggests that if those nanoparticles get loose and into the body, they might wreak havoc with the human immune system. |
Chemistry World January 30, 2008 Jonathan Edwards |
DNA Helps Nanoparticles Crystallize Two papers in Nature have each shown a simple way to build designer crystals from nanoparticles, using DNA as 'glue'. Both methods show promise as a cheap way of mass-producing complex materials like photonic crystals. |
Chemistry World August 20, 2008 |
Spying on Self-Assembly Proteins attaching to gold nanoparticles don't mill around randomly, but organise into clusters, according to UK scientists who say they have for the first time spied in detail peptides assembling on a surface. |
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 September 14, 2009 Hayley Birch |
All that is small is not nano Mark Wiesner of Duke University, US, says it is too easy to tar all nanoparticles with the same brush. 'All that is small is not necessarily nano,' he says. 'You need to have that novel property. The question then becomes: what's the taxonomy of these nanomaterials?' |
Chemistry World November 7, 2010 Laura Howes |
Inhaled nanoparticles, from there to where? US scientists have for the first time shown how the size and surface properties of nanoparticles can affect where they end up in the body after they are inhaled. |
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 August 19, 2009 Hayley Birch |
Gold nanoparticles detect cancer Chinese scientists have used gold nanoparticles as ultrasensitive fluorescent probes to detect cancer biomarkers in human blood. |
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 18, 2015 Ian Randall |
Jellyfish skin perfect mould to cast complex nanoparticles The gel-like inner skin of jellyfish can be used as a template for the simple synthesis of dendritic silver nanoparticles. |
National Defense August 2011 David Ake |
Biosecurity Expert Fears a Nanoparticle Attack Microscopic bits of metal that float in the air in the aftermath of a terrorist attack could become a threat to national security, said an Italian pathologist. |
Chemistry World October 17, 2013 Jessica Brand |
Enhancing photopigment formation to boost biofuel production Scientists in Australia have developed a nanoparticle light filter system that only lets through wavelengths favorable for microalgae growth. The system could make producing algal biofuels more efficient. |
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 August 2, 2006 Bea Perks |
Quantum Leap for Virus Trackers Glowing quantum dots are helping researchers study how viruses infect cells, and although the fluorescent nanoparticles have only been used on plant viruses so far, the technique could prove to be invaluable for drug development. |
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 March 26, 2012 Michael Parkin |
Phosphate-Scavenging Nanoparticles Starve Microbes Scientists have developed an antimicrobial strategy using lanthanum oxide nanoparticles to compete against microbes for phosphate. |
Chemistry World November 1, 2012 Laura Howes |
Printing out new catalysts Chemists at the University of California, Santa Barbara, US, and Zhejiang University in China, have created special 'inks' made of colloidal nanoparticles of different metal precursors and polymers that direct the formation of the resulting nanoparticle structures. |
Chemistry World July 15, 2008 |
Raman Reveals DNA in Action Researchers at the University of Strathclyde, UK, have been able to use Raman spectroscopy to observe strands of DNA pairing up and falling apart by attaching them to silver nanoparticles. |
Chemistry World June 10, 2009 Phillip Broadwith |
Nanotubes boost plant pollutants UK researchers have shown that carbon nanotubes can pierce plant root cells, providing a rapid route for other pollutants to infiltrate the cellular structure of plants. |
Chemistry World October 18, 2007 Simon Hadlington |
Nanoparticle Reveals Sulfur's Midas Touch Researchers in the US have taken a snapshot of the inside of a gold nanoparticle, shedding crucial new light on one of chemistry's longest-standing questions: how does sulfur bind to gold? |
Chemistry World September 12, 2014 Hayley Simon |
Coated nanoparticles show Alzheimer's promise Nanoparticles coated in an amino acid polymer have been found to prevent the formation of amyloid fibrils -- incorrectly folded protein fibers associated with the development of neurodegenerative diseases. |
Chemistry World April 9, 2015 |
Big problems with little particles? There is a risk that poor toxicology studies could start undermining the success of nanomaterials. |
Chemistry World March 9, 2009 Lewis Brindley |
Finding the Risks of Nanoparticle Exposure A new model for nanoparticle exposure should provide more realistic insights into the possible health risks of airborne nanoparticles, researchers in Switzerland claim. |
Chemistry World May 8, 2015 Michaela Muehlberg |
Polymers curl up and take control Scientists in Germany have successfully collapsed single polymer chains into dense nanoparticles, to make single-chain nanoparticles, by adding palladium. |
Chemistry World January 2010 Palmer & Felwick |
Safety in numbers Regulators struggle with nanotechnology. It's time for more self-regulation, say the authors |
Chemistry World July 3, 2014 Mary Macleod |
Organ -- organ interactions could compound nanoparticle damage Many studies look at the beneficial medical effects of nanoparticles, however, Mandy Esch explains that her work at Cornell University is checking for adverse effects. |