Silicone bracelets can detect pollution
Researchers at the University of Oregon, in the United States, show that the silicone bracelets â€" which, from time to time, are used to demonstrate support for some cause, some football team or simply because they are sets for some reason unexplainable â€" can serve to detect pollution.These bracelets can act as devices that control a person's exposure to harmful pollutants, over a day, week or even months, because the Silicon acts as a sponge, absorbing a variety of compounds from the air.Due to this property, the American investigators decided to control the range of compounds that people inhale in different environments and see if you can identify potential health effects. The findings were revealed in the scientific journal Environmental Science & Technology.According to investigators, the first step was to remove the chemicals that are introduced on Silicon during their manufacture. Then, thirty volunteers used some orange and white bracelets during 30 days. At the end of the analysis period, 49 compounds were found in bracelets, including flame retardants, internal-use pesticides â€" anti-pulga medicines for pets, for example â€" nicotine and several chemicals used in cosmetics and fragrances.In addition, eight volunteers who worked as Masons used the bracelets for eight hours every day, because the researchers were looking for polycyclic aromatic hydrocarbons (Aphs), present in tar roofs, a tile type commonly used in the United States, referred to in the sustainable planet.All the bracelets of Masons presented the compounds and other substances 12 a national list of pollutants considered harmful. According to scientists, the use of silicone bracelets could make it easier and I need to evaluate how are air quality and how internal pollutants affect our health. The team believes that this is a process control cheap than the usual method of measuring individual exposure to pollution, which involves monitoring well always simple to use and expensive.Foto: slgckgc/Creative Commons
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