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July 10th, 2007
Our current way of living places massive demands on the environment surrounding us. The demands are not just harmful for the environment itself, but also for us, the people living in it. Nanotechnology is being examined as potentially holding the key to detecting air quality problems and then rectifying them.
Detecting Air Pollutants
Knowing the level of air pollution present in the general atmosphere or a specific closed space is of extremely importance with regard to health and safety concerns for the general public and in the workplace. A range of nanotechnologies have been applied to various forms of sensing and detecting. The nanotechnologies vary from biology based detectors through to electronic, microfluidic and MEMS based systems. The result is that we are now albe to detect extraordinarily small concentrations of pollutants such as CO, NO, NO2 and O3. Typical levels detectable are now in the vicinity of 3 parts per million.
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