News tagged with silver
New evidence for natural synthesis of silver nanoparticles
Nanoparticles of silver are being found increasingly in the environment—and in environmental science laboratories. Because they have a variety of useful properties, especially as antibacterial and antifungal ...
Nanotechnology / Nanomaterials
May 11, 2011 |
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3Q: As precious metals grow more precious
The value of silver soared to an all-time high last Thursday, and plunged dramatically yesterday, illustrating the constant volatility of the precious-metals market, which includes lustrous commodities like ...
Other Sciences / Economics & Business
May 06, 2011 |
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Treasures lost and found
Buried hoards are the stuff of childhood dreams. Treasure Under Your Feet, an exhibition at the Fitzwilliam Museum, brings together precious objects found all over East Anglia. Heaps of glittering coins, a ...
Other Sciences / Archaeology & Fossils
May 05, 2011 |
4 / 5 (1) |
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Diamond light illuminates process of silver decay in Catalonian altarpieces
Scientists from the Technical University of Catalonia in Barcelona have teamed up with Diamond Light Source to use a brilliant infrared microbeam to understand at the microscopic scale molecular processes ...
Chemistry / Analytical Chemistry
Apr 22, 2011 |
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Silver saver: Nanotechnology keeps the shine on silver
(PhysOrg.com) -- Anyone who's ever polished silver knows that keeping the tarnish at bay is never ending work. But, you may not know that polishing also rubs away some of the precious metal, whether it's your ...
Nanotechnology / Nanomaterials
Apr 12, 2011 |
4.7 / 5 (3) |
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Common nanoparticles found to be highly toxic to Arctic ecosystem
Queen's researchers have discovered that nanoparticles, which are now present in everything from socks to salad dressing and suntan lotion, may have irreparably damaging effects on soil systems and the environment.
Nanotechnology / Bio & Medicine
Apr 06, 2011 |
5 / 5 (9) |
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Silver-diamond composite offers cooling capabilities for electronics
(PhysOrg.com) -- Researchers at the Georgia Tech Research Institute (GTRI) are developing a solid composite material to help cool small, powerful microelectronics used in defense systems. The material, composed ...
Mar 01, 2011 |
4.8 / 5 (6) |
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Producing clean water in an emergency
Disasters such as floods, tsunamis, and earthquakes often result in the spread of diseases like gastroenteritis, giardiasis and even cholera because of an immediate shortage of clean drinking water. Now, chemistry researchers ...
Nanotechnology / Bio & Medicine
Feb 23, 2011 |
4 / 5 (1) |
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Nanosilver: A new name -- well-known effects
Nanosilver is not a new discovery by nanotechnologists -- it has been used in various products for over a hundred years, as is shown by a new Empa study. The antimicrobial effects of minute silver particles, which were then ...
Nanotechnology / Nanomaterials
Jan 31, 2011 |
5 / 5 (2) |
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Advanced technology creates new range of multi-functional textiles
Research by two Victoria University PhD graduates has advanced cutting edge technology that combines wool with gold and silver to create a new range of multi-functional textiles.
Jan 19, 2011 |
5 / 5 (2) |
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Killer paper for next-generation food packaging
Scientists are reporting development and successful lab tests of "killer paper," a material intended for use as a new food packaging material that helps preserve foods by fighting the bacteria that cause spoilage. The paper, ...
Nanotechnology / Bio & Medicine
Jan 19, 2011 |
5 / 5 (2) |
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Rare form of silver observed during routine calibration
What started out as an ordinary instrument calibration task using silver turned into research gold for scientists at Pacific Northwest National Laboratory. Contradicting nearly 40 years of measurement history, ...
Dec 20, 2010 |
4.9 / 5 (9) |
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China to step up efforts to control Mother Nature
China plans to step up a weather-manipulation programme that has stirred debate about tinkering with Mother Nature, state media said on Friday.
Dec 17, 2010 |
3.3 / 5 (12) |
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Study improves understanding of method for creating multi-metal nanoparticles
(PhysOrg.com) -- A new study from researchers at North Carolina State University sheds light on how a technique that is commonly used for making single-metal nanoparticles can be extended to create nanoparticles ...
Nanotechnology / Nanomaterials
Dec 15, 2010 |
4.5 / 5 (4) |
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Gold and silver nano baubles
They might just be the smallest Christmas tree decorations ever. Tiny spherical particles of gold and silver that are more than 100 million times smaller than the gold and silver baubles used to decorate seasonal fir trees ...
Nanotechnology / Nanomaterials
Dec 03, 2010 |
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