Multi-sensing yarns for continuous wireless sweat lactate monitoring

IF 7.5 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Bradley Napier, Giusy Matzeu, Fiorenzo G. Omenetto
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引用次数: 0

Abstract

Textile integrated sensors based on conductive, electrochemically active microfibers can enable inexpensive, nearly invisible distributed sensing of sweat in clothing. Reduced graphene oxide fibers are mechanically robust, conductive, and can be easily functionalized to form a variety of sensors with properties comparable to planar fabricated sensors, given their ability to work both as electrical interconnections and as a base electrode. Here, we present an electrochemical yarn based on modified dry-spun reduced graphene oxide fibers. This braided format contains reference, counter electrode, a lactate-responsive fiber functionalized with lactate oxidase, and a pH-sensing fiber for calibration in a single, robust, weavable format. This electrochemical yarn was integrated into a demonstrator wearable textile-patch capable of continuous data collection and wireless data transmitted to an ad-hoc app. The yarns perform comparably to traditional probes in a format of broad utility for standalone or integrated monitoring of physiological parameters. Textile-based sweat sensors offer the possibility of low-cost health monitoring. Here, an electrochemical yarn based on reduced-graphene oxide is integrated into a textile patch that continuously collects physiological data and wirelessly sends it to an app.

Abstract Image

用于连续无线汗液乳酸监测的多传感纱线
基于导电、电化学活性微纤维的纺织品集成传感器可实现对衣物汗液的廉价、近乎隐形的分布式感应。还原氧化石墨烯纤维具有机械坚固性和导电性,由于其既能用作电互连,又能用作基极,因此很容易进行功能化处理,从而形成各种传感器,其性能可与平面制造的传感器相媲美。在此,我们介绍一种基于改性干纺还原氧化石墨烯纤维的电化学纱线。这种编织格式包含参比电极、对电极、用乳酸氧化酶功能化的乳酸反应纤维以及用于校准的 pH 传感纤维,它们组成了一个单一、坚固、可编织的格式。这种电化学纱线被集成到一个可穿戴纺织贴片演示器中,能够连续收集数据并将数据无线传输到一个特设应用程序。这种纱线的性能可与传统探头媲美,在独立或综合监测生理参数方面具有广泛用途。基于纺织品的汗液传感器为低成本健康监测提供了可能。在这里,一种基于还原氧化石墨烯的电化学纱线被集成到一个纺织贴片中,该贴片可持续收集生理数据并通过无线方式将其发送到一个应用程序中。
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来源期刊
Communications Materials
Communications Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
12.10
自引率
1.30%
发文量
85
审稿时长
17 weeks
期刊介绍: Communications Materials, a selective open access journal within Nature Portfolio, is dedicated to publishing top-tier research, reviews, and commentary across all facets of materials science. The journal showcases significant advancements in specialized research areas, encompassing both fundamental and applied studies. Serving as an open access option for materials sciences, Communications Materials applies less stringent criteria for impact and significance compared to Nature-branded journals, including Nature Communications.
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