Wearable Ring-Based Sensing Platform for Detecting
Chemical Threats
Version 3 2017-10-11, 14:05
Version 2 2017-10-11, 13:52
Version 1 2017-10-11, 12:19
Posted on 2017-10-11 - 14:05
This work describes a wireless wearable
ring-based multiplexed
chemical sensor platform for rapid electrochemical monitoring of explosive
and nerve-agent threats in vapor and liquid phases. The ring-based
sensor system consists of two parts: a set of printed electrochemical
sensors and a miniaturized electronic interface, based on a battery-powered
stamp-size potentiostat, for signal processing and wireless transmission
of data. A wide range of electrochemical capabilities have thus been
fully integrated into a 3D printed compact ring structure, toward
performing fast square-wave voltammetry and chronoamperometric analyses,
along with interchangeable screen-printed sensing electrodes for the
rapid detection of different chemical threats. High analytical performance
is demonstrated despite the remarkable miniaturization and integration
of the ring system. The attractive capabilities of the wearable sensor
ring system have been demonstrated for sensitive and rapid voltammetric
and amperometric monitoring of nitroaromatic and peroxide explosives,
respectively, along with amperometric biosensing of organophosphate
(OP) nerve agents. Such ability of the miniaturized wearable sensor
ring platform to simultaneously detect multiple chemical threats in
both liquid and vapor phases and alert the wearer of such hazards
offers considerable promise for meeting the demands of diverse defense
and security scenarios.
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Sempionatto, Juliane
R.; K. Mishra, Rupesh; Martín, Aida; Tang, Guangda; Nakagawa, Tatsuo; Lu, Xiaolong; et al. (2017). Wearable Ring-Based Sensing Platform for Detecting
Chemical Threats. ACS Publications. Collection. https://doi.org/10.1021/acssensors.7b00603
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AUTHORS (9)
JS
Juliane
R. Sempionatto
RK
Rupesh K. Mishra
AM
Aida Martín
GT
Guangda Tang
TN
Tatsuo Nakagawa
XL
Xiaolong Lu
AC
Alan S. Campbell
KL
Kay Mengjia Lyu
JW
Joseph Wang