材料科学
气体分析呼吸
丙酮
多孔性
可穿戴计算机
生物标志物
纳米技术
挥发性有机化合物
化学工程
色谱法
有机化学
复合材料
计算机科学
化学
生物化学
工程类
嵌入式系统
作者
Yanru Chen,Yixin Liu,Lei Zhu,Yuzhen Li,Yuhan Liu,Wenjie Zhang,Lei Zhu,Dongkai Wang,Shuhong Cao,Hanxiao Liu,Qisen Xie,Xiaohao Wang,Min Zhang
标识
DOI:10.1021/acsami.4c16209
摘要
In response to the growing demand for global health monitoring, we report a nonintrusive health detection method using a compact, conformal wearable ultraviolet (UV)-assisted gas-sensing system based on an intrinsically flexible porous polydimethylsiloxane (PDMS)-zinc oxide (ZnO) composite layer (PPZL) for the breath acetone (BrAce) detection and breath event analysis. The enhanced acetone response is attributed to the synergistic effect of UV irradiation and the high surface area of the porous structure, which also improves the mechanical robustness. The UV-assisted wearable sensor reliably detects acetone concentrations ranging from 1 to 100 ppm at room temperature under 4.05 mW/cm
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