New LASER can detect certain cancers in a patients breath?


Apparently it is true.  Using molecular markers by looking at wavelengths that are reflected can be used to fingerprint compounds.  This similar technique is used to determine the makeup of a distant star or planet.  Impressive

Photograph of Ioachim Pupeza and a colleague with the new laser system

http://physicsworld.com/cws/article/news/2015/sep/30/new-laser-could-spot-signs-of-cancer-in-exhaled-breath

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