Who: University of Illinois at Chicago
What: A highly sensitive chemical sensor based on the crystalline flaws in graphene sheets. The imperfections have unique electronic properties that the researchers were able to exploit to increase sensitivity to absorbed gas molecules by 300 times. http://www.nature.com/ncomms/2014/140922/ncomms5911/full/ncomms5911.html
Where: Highly sensitive chemical detectors.
When: The research is at the proof-of-concept stage.