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Adv. Sci., Jul 01 2024, | https://doi.org/10.1002/advs.202403238 All-in-One, Wireless, Multi-Sensor Integrated Athlete Health Monitor for Real-Time Continuous Detection of Dehydration and Physiological Stress

Ka Ram Kim ^1,2, Tae Woog Kang ^1,2, Hodam Kim ^1,2, Yoon Jae Lee^2,3, Sung Hoon Lee^2,3, Hoon Yi ^1,2, Hyeon Seok Kim ^1,2, Hojoong Kim ^1,2, Jihee Min ^2,4, Jud Ready ⁵, Melinda Millard-Stafford ⁶, Woon-Hong Yeo ^1,2,7,8

¹George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA.

²Wearable Intelligent Systems and Healthcare Center (WISH Center), Institute for Matter and Systems, Georgia Institute of Technology, Atlanta, GA, 30332, USA.

³School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA.

⁴Department of Biology, College of Arts and Sciences, Emory University, Atlanta, GA, 30322, USA.

⁵Electro-Optical Systems Laboratory, Georgia Tech Research Institute, Atlanta, GA, 30332, USA.

⁶School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA, 30332, USA.

⁷Wallace H. Coulter Department of Biomedical Engineering, Georgia Tech and Emory University School of Medicine, Atlanta, GA, 30332, USA.

⁸Parker H. Petit Institute for Bioengineering and Biosciences, Institute for Robotics and Intelligent Machines, Georgia Institute of Technology, Atlanta, GA, 30332, USA.

K.R.K. and T.W.K. contributed equally to this work

CORRESPONDING AUTHOR : Woon-Hong Yeo

Abstract

Athletes are at high risk of dehydration, fatigue, and cardiac disorders due to extreme performance in often harsh environments. Despite advancements in sports training protocols, there is an urgent need for a non-invasive system capable of comprehensive health monitoring. Although a few existing wearables measure athlete's performance, they are limited by a single function, rigidity, bulkiness, and required straps and adhesives. Here, an all-in-one, multi-sensor integrated wearable system utilizing a set of nanomembrane soft sensors and electronics, enabling wireless, real-time, continuous monitoring of saliva osmolality, skin temperature, and heart functions is introduced. This system, using a soft patch and a sensor-integrated mouthguard, provides comprehensive monitoring of an athlete's hydration and physiological stress levels. A validation study in detecting real-time physiological levels shows the device's performance in capturing moments (400-500 s) of synchronized acute elevation in dehydration (350%) and physiological strain (175%) during field training sessions. Demonstration with a few human subjects highlights the system's capability to detect early signs of health abnormality, thus improving the healthcare of sports athletes.

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형식Research article
게재일2024년 07월 (BRIC 등록일 2024-07-02)
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