Downs of Nanofood
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Downs of Nanofood
Will nanotechnology in food production improve our lives qualities?
Curated by Anh Le Fox
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foodconsumer.org - Silica in food, dietary supplements damages the liver

foodconsumer.org - Silica in food, dietary supplements damages the liver | Downs of Nanofood | Scoop.it
Thursday Feb 14, 2013 (foodconsumer.org) -- A new study published in  Advanced Materials Research suggests that food consumers may be better off avoiding dietary supplements and processed foods that contain silica and other nanoparticles as the study found that silica which is also known as silicone dioxide can damage the liver.
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Narrowing in on nanoparticles

Narrowing in on nanoparticles | Downs of Nanofood | Scoop.it

"Workers in manufacturing can encounter a range of hazards on the job, but some of those dangers can pass unseen. Such is the case with nanoparticles, so tiny they can be inhaled and put workers at risk for various ailments, including lung cancer.

 

University of Iowa researchers, led by Tom Peters, associate professor of occupational and environmental health in the UI College of Public Health, have created a device that can detect certain nanoparticles, such as titanium dioxide, and workers’ exposure to them. The device is called the personal Nanoparticle Respiratory Deposition sampler."


Via Erik Janus
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Erik Janus's curator insight, April 3, 2013 6:28 PM

The upper range of this is 300 nm, but I am curious as to what the other two filters are sized at and if you could swap out different sized filters.  It appears as if material-specfiic analytical methods are needed to determine chemical composition, so hopefully the pipeline for those is full and moving...

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The Nanotechnology Opportunity in Food and Drinks Packaging

NEW YORK, Jan. 23, 2012  /PRNewswire/ --  Reportlinker.com announces that a new market research... (The Nanotechnology Opportunity in Food and Drinks Packaging: NEW YORK, Jan.

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Presence of Untested Nanoparticles in Food Raises Public Health Concerns | Cornucopia Institute

Presence of Untested Nanoparticles in Food Raises Public Health Concerns | Cornucopia Institute | Downs of Nanofood | Scoop.it

"Because of their small size, nanoparticles can to go places in the body that larger particles cannot.  Nanoparticles in food or food packaging can gain access via ingestion, inhalation, or skin penetration.  Once inside our bodies, nanoparticles can penetrate cell walls and pass into the blood and lymph system.

 

From there, the particles can circulate through the body and reach potentially sensitive target sites such as the bone marrow, lymph nodes, spleen, liver, and heart, and may also cross the blood‐brain barrier.  As You Sow’s survey results indicate that food, food packaging, and supplement companies are not being transparent about their use of nanomaterials.

 

The survey was sent to 2,500 companies in the food industry, including the 100 largest food processing companies, the 50 largest food distributors, the 75 largest food retailers, the 25 top packaging companies, the 50 top fast food companies, and 187 supplement companies. It yielded only 26 responses and a third of those companies admitted they did not know if nanomaterials are present in their products or supply chains. Only two companies had formal policies on the use of this new food additive that has undergone little or no safety testing."

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Nanotechnology in Food Packaging

Nanotechnology in Food Packaging | Downs of Nanofood | Scoop.it
Nanotechnology in Food PackagingAZoNano.comSchematic of a nanostructured, multi-layer barrier film for use in packaging.

Via Steve Tattum, INDEVCO Plastics
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Small is Beautiful_ Everyday Applications and Advances in Nanochemistry

Good things come in small packages.Over eight hundred products ranging from food packaging to cosmetics have resulted from nanotechnology ...youtube.com...

Via Muditha Senarath Yapa
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