Advanced Artificial Electronic Skin Based pH Sensing System for Heatstroke Detection

ACS Sensors
Ganesh Kumar ManiKazuyoshi Tsuchiya

Abstract

Heatstroke is a serious illness that can potentially damage many victims every year. Many intelligent physical sensors have been developed to prevent heatstroke fatalities. However, it remains a challenge to fabricate skin-adhesive, small, and low-cost sensors for in situ heatstroke detection to overcome the weaknesses of the physical sensors. As far as we know, this is the first breakthrough for exploiting a PDMS based freestanding nanosheet skin patch consisting of pH sensing elements (antimony/antimony oxide and silver/silver iodate) to achieve high pH sensitivity and repeatability. The sensing elements were investigated for structural and morphological properties. The easy to use and easy to fabricate nanosheet sensor exhibited a linear pH response of -43 mV/pH. Overall, the developed sensor showed high sensitivity, repeatability, and stability. Our initial results indicate that the developed sensor adhered well to a skin surface. It is expected that this proof of concept approach gives reliable fabrication and measurement unlike other physical sensors.

References

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Jan 25, 2017·ACS Applied Materials & Interfaces·Ganesh Kumar ManiKazuyoshi Tsuchiya
Jun 7, 2017·ACS Applied Materials & Interfaces·Ganesh Kumar ManiKazuyoshi Tsuchiya
Dec 14, 2018·Sensors·Shih-Sung LinSheng-Tao Chen
Jun 28, 2018·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Minjeong HaHyunhyub Ko

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