News tagged with colloidal silver
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 |
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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 |
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Water study: Is colloidal silver necessary for bacteria removal?
(PhysOrg.com) -- Nicole Heinley, a graduate student at Missouri University of Science and Technology, traveled to Guatemala twice in the past year to conduct research on ceramic pot filters that are used locally ...
Sep 01, 2010 |
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Search results for colloidal silver
Research team uses nanoparticles to make paper waterproof and magnetic
(Phys.org) -- Researchers at the Istituto Italiano di Tecnologia in Genoa, led by Roberto Cingolani, have devised a means for connecting cellulose fibers in ordinary paper with nanoparticles resulting in new desired properties, ...
Nanotechnology / Nanomaterials
Apr 20, 2012 |
4.4 / 5 (8) |
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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 |
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The butterfly effect in nanotech medical diagnostics
Tiny metallic nanoparticles that shimmer in the light like the scales on a butterfly's wing are set to become the color-change components of a revolutionary new approach to point-of-care medical diagnostics, according to ...
Nanotechnology / Bio & Medicine
Feb 06, 2012 |
5 / 5 (4) |
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Bimetallic nanoantenna separates colors of light
Researchers at Chalmers University of Technology have built a very simple nanoantenna that directs red and blue colours in opposite directions, even though the antenna is smaller than the wavelength of light. ...
Sep 23, 2011 |
4.7 / 5 (6) |
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Capturing the fugitive... in art
(PhysOrg.com) -- What do Winslow Homer's For to Be a Farmer's Boy (1887) and Vincent van Gogh's The Bedroom (1889) have in common?
Chemistry / Analytical Chemistry
Apr 05, 2011 |
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Cheaper, better solar cell is full of holes
A new low-cost etching technique developed at the U.S. Department of Energy's National Renewable Energy Laboratory can put a trillion holes in a silicon wafer the size of a compact disc.
Nanotechnology / Nanomaterials
Sep 03, 2010 |
4.9 / 5 (32) |
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Nanoparticles Provide a Targeted Version of Photothermal Therapy for Cancer
(PhysOrg.com) -- Using easily prepared gold nanocages that are able to escape from the blood stream and accumulate in tumors, a team of investigators from the Washington University in St. Louis has shown that they can use ...
Nanotechnology / Bio & Medicine
Apr 23, 2010 |
4.8 / 5 (6) |
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A golden bullet for cancer: Nanoparticles provide a targeted version of photothermal therapy for cancer
In a lecture he delivered in 1906, the German physician Paul Ehrlich coined the term Zuberkugel, or "magic bullet," as shorthand for a highly targeted medical treatment.
Nanotechnology / Bio & Medicine
Mar 12, 2010 |
4.5 / 5 (13) |
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The toxicity of antimicrobial silver in products can be reduced
Chemists at the University of Helsinki (Finland) have managed to manufacture new polymer-stabilised silver nanoparticles. The result is significant because the antimicrobial characteristics of silver are used in textiles, ...
Nanotechnology / Bio & Medicine
Feb 24, 2010 |
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Engineers explore environmental concerns of nanotechnology
As researchers around the world hasten to employ nanotechnology to improve production methods for applications that range from manufacturing materials to creating new pharmaceutical drugs, a separate but equally ...
Nanotechnology / Bio & Medicine
Feb 01, 2010 |
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List of search results for colloidal silver
