Detection of Toad's physiology signals under thermoplasmonic effect

Cardiovascular diseases (CVDs) are leading cause of mortality worldwide, accounting for ۱۷.۳ million deaths per year, a number that is expected to grow to more than ۲۳.۶ million by ۲۰۳۰.Therefore the need for developing health-monitoring systems (for hospitals, clinical, or home settings) that can provide efficient services to patients with cardiovascular diseases is becoming increasingly important, particularly in medium and large urban agglomerations. Thus, the present study aims to propose two dimensional flexible and wearable gold covered plasmonic samples as a physiological signal recorder, in which chips with nano array of resonant nanowire patterns performing in an integrated platform of plasmonic devices. The produced surface plasmon waves in our main chip were paired with an electric wave from the heart pulse and it use for recording and detecting the heartbeat of a toad with high accuracy. This measurement was performed in normal state and under external laser heating process when we used AuNSs nanoparticles to check the ability of signal recording and also thermoplasmonic effect onto the toad’s heart signal. Our results show that our sensor was enough sensitive for detection while raising the body temperature of the toad and changing its heart rate as flatting T and P waves by thermoplasmonic effect.

کلیدواژه ها:

Cardiovascular diseases ، two dimensional plasmonic structure ، gold nanoparticles ، thermoplasmonic effect.