Online monitoring of breath has gained lot of attention as breath pattern of a individual throws wealth of information about individual’s health conditions and also in detecting different diseases like asthma, sleep apnoea, etc. However, to record fast breathing response of a individual, one needs to have a sensor with very fast response and recovery times. At present, hardly such devices are available commercially. The invention relates to an ultrafast humidity sensor with response and recovery times are in the order of several milliseconds. It is fabricated using a supramolecular nanofibre system built via self-assembly of donor and acceptor molecules, sourced from a collaborator (SJG). The molecular components were self-assembled and successfully integrated into a sensor to produce a stand-alone pen-drive size device which can efficiently sense breathing pattern of an individual. Further, the breath pattern can be acquired in real-time and analyzed by specialized software.
