News tagged with silver nanoparticles
Scientists evaluate different antimicrobial metals for use in water filters
Porous ceramic water filters are often coated with colloidal silver, which prevents the growth of microbes trapped in the micro- and nano-scale pores of the filter. Other metals such as copper and zinc have also been shown ...
Nanotechnology / Bio & Medicine
May 24, 2012 |
4 / 5 (1) |
1
New treatments could reduce odors in cotton fabric
Socks, T-shirts and other garments could become less hospitable to odor-causing bacteria, thanks to new antimicrobial treatments being investigated by U.S. Department of Agriculture (USDA) scientists in New ...
Nanotechnology / Bio & Medicine
May 11, 2012 |
5 / 5 (1) |
0
High-tech tactic may expose stealthy salmonella
Even the smallest quantity of Salmonella may, in the future, be easily detected with a technology known as SERS, short for "surface-enhanced Raman scattering." U.S. Department of Agriculture (USDA) scientist ...
Apr 10, 2012 |
not rated yet |
0
Are silver nanoparticles harmful?
Silver nanoparticles cause more damage to testicular cells than titanium dioxide nanoparticles, according to a recent study by the Norwegian Institute of Public Health. However, the use of both types may affect testicular ...
Nanotechnology / Bio & Medicine
Mar 14, 2012 |
not rated yet |
0
Wash your mouth out with silver
Yeasts which cause hard-to-treat mouth infections are killed using silver nanoparticles in the laboratory, scientists have found. These yeast infections, caused by Candida albicans and Candida glabrata target the young, ol ...
Mar 08, 2012 |
5 / 5 (1) |
0
New measuring techniques can improve efficiency, safety of nanoparticles
Using high-precision microscopy and X-ray scattering techniques, University of Oregon researchers have gained eye-opening insights into the process of applying green chemistry to nanotechnology that results in high yields, ...
Nanotechnology / Bio & Medicine
Feb 28, 2012 |
5 / 5 (1) |
0
|
Silver nanoparticles trap mercury
(PhysOrg.com) -- Anyone who thinks amalgams are limited to tooth fillings is missing something: Amalgams, which are alloys of mercury and other metals, have been used for over 2500 years in the production ...
Nanotechnology / Nanomaterials
Feb 16, 2012 |
5 / 5 (1) |
0
|
Light makes write for DNA information-storage device
Researchers have demonstrated a write-once-read-many-times information-storage device, made of DNA embedded with silver nanoparticles, that uses ultraviolet light to encode data.
Jan 05, 2012 |
4.7 / 5 (3) |
0
|
Monitoring the transformation of silver nanowires into gold nanotubes with in situ transmission X-ray microscopy
(PhysOrg.com) -- A technique for real-time monitoring of the galvanic replacement reaction between silver nanowires and aqueous gold salt solutions using in situ flow-cell transmission X-ray microscopy (TXM) ...
Dec 21, 2011 |
2 / 5 (1) |
0
Researchers create rollerball-pen ink to draw circuits
(PhysOrg.com) -- Two professors from the University of Illinois; one specializing in materials science, the other in electrical engineering, have combined their talents to take the idea of printing circuits ...
Nanotechnology / Nanomaterials
Jun 28, 2011 |
4.8 / 5 (15) |
9
|
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 |
not rated yet |
0
|
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) |
6
|
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) |
0
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) |
1
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) |
0
