Nitrogen dioxide, a pollutant released by cars and fossil fuel burning power plants, can irritate the lungs, contribute to smog formation, and lead to premature deaths in cities around the world. A recent study, conducted at Kings College, London, UK, for example, found that more than 5,000 premature deaths in London annually could be attributed to nitrogen dioxide pollution
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Ultra-sensitive, vibration-tolerant gas sensor makes field applications more practical