a multifunctional polymer nano - composite sensor system for detecting various biosignals like ecg and other kinds of signals for sensing strain , temperature and moisture has been disclosed . this sensor system includes a polymer nano - composite sensor material that is flexible , elastic , soft , and conductive , a sensor material fabricated into a desired shape or form , and a signal capturing interface for collecting , transmitting and processing the signals . this sensor system can easily be integrated into a user environment for various user - transparent sensing applications . the present invention more specifically reveals a multi - functional nano - composite sensor for detecting biologically generated electrical signals which is comprised of a polymeric composition having an electrically conductive wire embedded therein , wherein the polymeric composition has a dispersion phase and a dispersed phase , wherein the dispersion phase is comprised of a thermoplastic polymer or a thermoset polymer , wherein the dispersed phase includes an electrically conductive filler , wherein the polymeric composition is gel - free , and wherein the electrically conductive wire is adapted for conveying an electrical signal to a signal processing device . the present invention further discloses a polymeric composition which is comprised of a thermoplastic polyurethane , a styrenic polymer , and at least one electrically conductive filler wherein the styrenic polymer is present in the composition at a level which is within the range of 10 weight percent to 50 weight percent and wherein the electrically conductive filler is present at a level which is within the range of 0 . 5 weight percent to 40 weight percent , based on the total weight of the polymeric composition .