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Bio-Design and Manufacturing  2022 Vol.5 No.1 P.64-84

http://doi.org/10.1007/s42242-021-00171-2


Emerging wearable flexible sensors for sweat analysis


Author(s):  Wenzheng Heng, Geng Yang, Woo Soo Kim & Kaichen Xu

Affiliation(s):  State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China; more

Corresponding email(s):   yanggeng@zju.edu.cn, xukc@zju.edu.cn

Key Words:  Flexible electronics, Wearable sensors, Sweat sensors, Electrochemical analysis, Noninvasive health monitoring, Power supply


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Wenzheng Heng, Geng Yang, Woo Soo Kim & Kaichen Xu . Emerging wearable flexible sensors for sweat analysis[J]. Journal of Zhejiang University Science D, 2022, 5(1): 64-84.

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Abstract: 
Sweat, as a biofluid with the potential for noninvasive collection, provides profound insights into human health conditions, because it contains various chemicals and information to be utilized for the monitoring of well-being, stress levels, exercise, and nutrition. Recently, wearable sweat sensors have been developed as a promising substitute to conventional laboratory sweat detection methods. Such sensors are promising to realize low-cost, real-time, in situ sweat measurements, and provide great opportunities for health status evaluation analysis based on personalized big data. This review first presents an overview of wearable sweat sensors from the perspective of basic components, including materials and structures for specific sensing applications and modalities. Current strategies and specific methods of the fabrication of wearable power management are also summarized. Finally, current challenges and future directions of wearable sweat sensors are discussed.

浙江大学杨赓、徐凯臣等 | 可穿戴式汗液分析柔性传感器

本综述论文主要着眼于近五年来可穿戴汗液传感器的发展。汗液作为一种具有非侵入性收集潜力的生物液体,含有各种化学物质和物理信息,可用于监测健康状况、压力水平、运动状态和营养信息。近年来,可穿戴汗液传感器已经被开发出来,日渐成为能够取代传统实验室汗液检测方法的有广阔发展前景的测量平台。这些传感器有希望实现低成本、实时、现场的汗液测量,并为基于个性化大数据的健康状况评估分析提供了数据基础。本文首先概述了可穿戴式汗液传感器的总体情况;然后从基本部件的角度,介绍了用于特定传感的材料和结构、传感原理、应用和模式;此外还总结了可穿戴电源管理的策略和传感器具体制造方法。最后,讨论了可穿戴汗液传感器目前的挑战和未来的发展方向。

(文章作者包括美国加州理工大学博士生衡文正,加拿大西蒙弗雷泽大学Woo Soo Kim教授,浙江大学杨赓、徐凯臣研究员)

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