Nano-silver health risk?

Danish researchers say that small size particles can penetrate cells and cause damage

Silver is antibacterial and can be used for food and cosmetics - nanosilver is included in bottles, plaster, toothbrush, running socks, food packaging. It is also marketed as a dietary supplement and is expected to have antibacterial, anti-influenza, and cancer suppressing effects. Nanosilver is easy to find online though it is regulated in the UK

The Danish Veterinary and Food Administration warned that research at the University of Denmark showed that nanosilver causes cellular changes and therefore does not consume dietary supplements.

"Silver as a metal does not pose a hazard, but when decomposed to nanometer size the particles are small enough to penetrate the cell wall," said Professor Frank Kjeldsen and Professor Thiago Verano-Braga. "When nanosilver enters into human cells, the cells may change."

They studied human intestinal cells as they thought that these cells were most likely to be in contact with nanosilver in food.

"We can confirm that nanosilver causes the formation of detrimental free radicals inside the cell.A change in the morphology and quantity of the protein can also be seen.This makes us worry, Said.

Many diseases, including cancer, Alzheimer's disease, Parkinson's disease, are characterized by excessive production of free radicals within the cell

The study published at ACS Nano was done in laboratory human cells and Kjelsen and Verano-Braga showed how much silver they had to touch before these changes occurred I pointed out that I did not know.

"I can not conclude that nanosilver makes you sick because I do not know the amount I need but I can say that I have to worry very cautiously if I see excess free radicals generated.

Given the increasing use of (nano) silver compounds, whether these consumers and health products are harmful to the environment and human health, whether microorganisms are resistant to silver. And there is a risk that bacterial tolerance will increase, in that it is widely and widely used. Consumer exposure will depend on the location of nanomaterials within the consumer / medical product and / or the operation of the product. To determine the level of exposure, more information is needed on the concentration of silver in the product, the size and shape of its presence, and the possibility of releasing Ag - NP or Ag ions from the product.

Microsoft Word - Final_Opinion_Health's exposure to Nano silver will be released on 13th June 2014. .docx

In medicine, (nano) silver morphology is used in wound dressings and catheters, for example to reduce infection. In consumer products, the (nano) silver form is used, for example, in sports and other textiles, detergents and deodorants, where (nano) silver should reduce bacterial odor. Given the increasing use of (nano) silver compounds, whether these consumers and health products are harmful to the environment and human health, whether microorganisms are resistant to silver. And whether the risk of bacterial tolerance commonly and widely used is high

Microsoft Word - Final_Opinion_Health's exposure to Nano silver will be released on 13th June 2014. .docx

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