Real-Time Personal Fever Alert Monitoring by Wearable Detector Based on Thermoresponsive Hydrogel

Wenbin Wang, Chen Wu, Kai Zhu, Fang Chen, Jingjing Zhou, Yusuf Shi, Chenlin Zhang, Renyuan Li, Mengchun Wu, Sifei Zhuo, Hepeng Zhang, Peng Wang

Research output: Contribution to journalArticlepeer-review

Abstract

Quick fever screening at a mass scale is proven effective during a pandemic to single out the ones with suspected symptoms of infectious diseases. However, achieving affordable and real-time fever alert at an individual level, although more preferable, remains elusive. Herein, we report an inexpensive and highly sensitive fever detector, which possesses a sharp color transition temperature window tailor-tuned for fever screening. The sensing component of the detector is rationally designed thermoresponsive agarose@poly(N-isopropylacrylamide)-co-acrylamide hydrogel. The hydrogel turns from transparent to opaque white when its temperature is higher than its cloud point. As a proof of concept of its practical applicability, a wearable fever monitoring device was fabricated in the form of a wristband. When the wrist temperature is higher than the threshold of a human fever, the device shows a remarkable color change, alerting an elevated body temperature. The wearable detector provides a promising strategy for real-time fever alert monitoring and is capable of making contributions to inhibit the spread of infectious diseases during a pandemic.
Original languageEnglish (US)
JournalACS Applied Polymer Materials
DOIs
StatePublished - Mar 23 2021

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