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Nanotechnology & Health
a collection of articles about nanomaterials and health
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The Hidden Threat in Your Workout Gear | Rodale News

The Hidden Threat in Your Workout Gear | Rodale News | Nanotechnology & Health | Scoop.it

A lot of workout clothing advertised as "antibacterial" or "anti-odor" contains microscopic particles, or nanoparticles, of silver. ... Sounds great, right? Except that silver nanoparticles aren't bound to that antibacterial clothing, and the teeny particles slough off every time you wash your sweaty clothes. And, according to a new study in the journal Environmental Science & Technology, they get absorbed by your skin when you sweat, exposing you to untested, and potentially unhealthy, levels of this metal.

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EPA Lets Pesticides on the Market Untested | OnEarth Magazine

EPA Lets Pesticides on the Market Untested | OnEarth Magazine | Nanotechnology & Health | Scoop.it

"The agency is abusing a legal loophole to let products like nanosilver be used in your clothing and baby blankets without ensuring their safety"

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Beyond Pesticides Daily News Blog » Silver Nanoparticles in Sewage Sludge Found to Disrupt Ecosystems

Low concentrations of silver nanoparticles can cause significant disruptions to natural ecosystems, find scientists at Duke University. This research, published in the journal PLOS ONE, provides a “real-world” look at the effects of this increasingly ubiquitous material in our environment.
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EHP – Nanosilver: Weighing the Risks and Benefits

EHP – Nanosilver: Weighing the Risks and Benefits | Nanotechnology & Health | Scoop.it

"NRDC lawyer Catherine Rahm ... begged to differ with the [EPA's] methods. In the January hearing, she argued that the agency record shows infants are more likely than any other subset of children to chew on fabrics that could contain the pesticide, and that if the agency were to recalculate its risk assessment based on the body weight of a 1-year-old, nanosilver concentrations in HeiQ’s product could result in potentially harmful exposures."

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Is Your Workout Gear Ruining Farm Fields?

Is Your Workout Gear Ruining Farm Fields? | Nanotechnology & Health | Scoop.it
Bacteria-killing nano silver has turned up in all manner of consumer goods. And the EPA hasn't given it a full review.
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Beyond Pesticides Daily News Blog » EPA Challenged Over Conditional Registration of Nanosilver Product

"The U.S. Environmental Protection Agency (EPA) recently faced tough questioning from the U.S. Court of Appeals for the Ninth Circuit over its decision to conditionally approve a pesticide product containing nanosilver as the active ingredient. The antimicrobial pesticide product, HeiQ AGS-20, contains microscopic particles of silver and has been applied to textiles such as clothes, blankets, and pillowcases, in an attempt to suppress odor and bacterial growth... Because of their size, nanoparticles can be easily inhaled, absorbed by skin contact, or ingested. Little to no information is known about the fate or effects nanoparticles, specifically nanosilver, can have on the digestive tract, lung, or skin of those that are exposed to these particles. Research is still ongoing to investigate whether nanosize particles cause pulmonary inflammation as well as systemic effects, and whether they translocate from the lungs to other organs such as the liver, kidney or brain. Preliminary research with laboratory rats has found that nanosilver can traverse into the brain, and can induce neuronal degeneration and necrosis (death of cells or tissue) by accumulating in the brain over a long period of time. Low doses of nanosilver can also make bacteria stronger and more resistant."

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