The trends of miniaturized products are driving the market growth, miniaturized semiconductors and sensor has fuelled the nanomaterial applications for sensor manufacturing giving rise to nanosensors. The global market for Nanosensors can be segmented based on type into optical, electromagnetic and electrochemical. The major application segments of nanosensors are in the field of Automotive and Aerospace, Homeland Defence and Military, Biomedical and Healthcare, etc.