A digitally embroidered metamaterial biosensor for kinetic environments

IF 33.7 1区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC Nature Electronics Pub Date : 2024-10-17 DOI:10.1038/s41928-024-01263-4

Qihang Zeng, Xi Tian, Dat T. Nguyen, Chenhui Li, Patrick Chia, Benjamin C. K. Tee, Changsheng Wu, John S. Ho

引用次数: 0

Abstract

Biosensors could be used in vehicles to monitor driver alertness, detect impairment and gauge stress levels. However, measuring biomarkers, such as heart rate and respiration, without physical contact remains a challenge in these environments due to issues related to movement and external interference. Here we report a metamaterial biosensor that can capture cardiopulmonary signals in kinetic environments without being in contact with the body. Fabricated using digital embroidery, the biosensor can be integrated with a safety harness and can detect physiological motion through near-field interactions between wireless signals and the body. We show that the approach is capable of continuous, hour-long recording of heartbeat and respiration in an airline cabin simulator. We also show that the biosensor can operate in a moving car, and exhibits no degradation in accuracy compared with a stationary environment.

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用于动力学环境的数字刺绣超材料生物传感器

生物传感器可用于车辆，以监测驾驶员的警觉性、检测障碍和衡量压力水平。然而，由于与运动和外部干扰有关的问题，在这些环境中，在没有身体接触的情况下测量心率和呼吸等生物标志物仍然是一项挑战。在这里，我们报告了一种超材料生物传感器，它可以在运动环境中捕捉心肺信号，而无需与身体接触。该生物传感器采用数字刺绣工艺制作而成，可与安全带集成在一起，并能通过无线信号与人体之间的近场相互作用检测生理运动。我们的研究表明，这种方法能够在航空客舱模拟器中连续记录心跳和呼吸长达一小时。我们还表明，该生物传感器可以在移动的汽车中运行，与静止环境相比，精度没有降低。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nature Electronics Engineering-Electrical and Electronic Engineering

CiteScore

47.50

自引率

2.30%

发文量

159

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