Sensor Detects Airborne Toxins in Seconds

Sensor Detects Airborne Toxins in Seconds
A prototype device able to identify toxic airborne chemicals in seconds could monitor air quality in real-time to detect gas leaks and pollution.

The sensor was developed by a team from Nanyang Technological University using a chip made of a porous metal-organic framework nanomaterial that traps nearby gas particles. A laser shone onto the chip will interact with the gas molecules to produce a lower-energy form of light, which can be analyzed by a camera to identify its spectroscopic signature for comparison to known toxic gases. The process takes only about 10 seconds to complete, rather than the several days required in some instances.

Sensor Detects Airborne Toxins in Seconds

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