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27 juin 2012

¤ Nanoparticles in polluted air, smoke and nanotechnology products have serious impact on health

Classé dans : Chemtrails et pluies de fils/fibres/etc... — uriniglirimirnaglu @ 7 : 40

Source : http://phys.org/news/2012-06-nanoparticles-polluted-air-nanotechnology-products.html

June 11, 2012

¤ Nanoparticles in polluted air, smoke and nanotechnology products have serious impact on health dans Chemtrails et pluies de fils/fibres/etc... figure1a-257x300New groundbreaking research by scientists at Trinity College Dublin has found that exposure to nanoparticles can have a serious impact on health, linking it to rheumatoid arthritis and the development of other serious autoimmune diseases. The findings that have been recently published in the international journal Nanomedicine have health and safety implications for the manufacture, use and ultimate disposal of nanotechnology products and materials. They also identified new cellular targets for the development of potential drug therapies in combating the development of autoimmune diseases.

Environmental pollution including  emitted by car exhaust, smoking and long term inhalation of dust of various origins have been recognised as risk factors causing  of the lungs. The link between smoking and autoimmune diseases such as rheumatoid arthritis has also been established. This new research now raises serious concerns in relation to similar risks caused by nanotechnology products which if not handled appropriately may contribute to the generation of new types of  causing risks to global health.

In their research, the Nanomedicine and Molecular Imaging team at Trinity College Dublin’s School of Medicine led by Professor of Molecular Medicine, Yuri Volkov investigated whether there was a common underlying mechanism contributing to the development of autoimmune diseases in human cells following their exposure to a wide range of nanoparticles containing different physical and chemical properties.

The scientists applied a wide range of nanomaterials including ultrafine carbon black, carbon nanotubes and  particles of different sizes, ranging from 20 to 400 nanometres, to human cells derived from the lining of the airway passages, and to the cells of so-called phagocytic origin − those cells that are most frequently exposed to the inhaled foreign particles or are tasked with cleaning up our body from them. At the same time, collaborating researchers from the Health Effects Laboratory Division, National Institute for Occupational Safety & Health (Morgantown, WV, USA) have conducted the studies in mice exposed to chronic inhalation of air contaminated with single walled carbon nanotubes.

The result was clear and convincing: all types of nanoparticles in both the TCD and US study were causing an identical response in  and in the lungs of mice, manifesting in the specific transformation of the amino acid arginine into the molecule called citrulline which can lead to the development of autoimmune conditions such as rheumatoid arthritis. (more…)

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