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Frozen Smoke Discovery
February 17 , 2024
153 days
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- Researchers have developed sensors made from highly porous materials known as ‘frozen smoke’ (aerogels).
- By precisely engineering the shape of the holes in the aerogels, the sensors were able to detect the fingerprint of formaldehyde at room temperature.
- Formaldehyde is a common indoor air pollutant.
- It uses artificial intelligence techniques to detect formaldehyde in real time at concentrations as low as eight parts per billion.
- It is far beyond the sensitivity of most indoor air quality sensors.
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