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Units made from traditional conductive bulk materials using advanced microfabrication methods typically are restricted to being rigid and in some instances, versatile however not strethcable. The main purpose is the mismatching mechanics between these conventional supplies and the elastomeric materials they had been bonded with, which causes materials delimination and/or cracks at tender/onerous supplies interfaces underneath strains. Conductive nanomaterials probably supply new opportunity to tackle this challenge. Their availability in various sizes and shapes allows us to create composites with various dimensions, akin to 1D conductive traces, 2D movie, and 3D sponge-like architectures. These have opened the door for fabrication of stretchable interconnects, circuits, energy storage units, antennas, LEDs, and so forth. The basis of using conductive nanomaterials composites in sensors is that any stimulus or change will generate a measurable electrical impulse. These impulses might be broadly categorized as piezoelectric, triboelectric, capacitive, and resistive responses. Relying on the sensitivity required and the preference of electrical impulse to be measured, the device construction maybe tailor-made to give one of many four kinds of electrical responses. Resistive sensors along with being the easiest to assemble are additionally the best to measure, which is the essential motive for numerous publications in this area. The working mechanism of resistive sensors based on the constituent conductive materials and their percolation network might be mentioned intimately. Composition of conductive inks fabricated using wet chemistry methods, and nanomaterials using dry strategies, their subsequent purposes are lined as properly. The thrilling purposes referring to human health and nicely-being will even be described. Finally a brief outlook of the way forward for wearable sensors as "invisibles" will be offered.

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