Pencil-drawn Paper-based Non-invasive and Wearable Capacitive Respiration Sensor,Electroanalysis

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Pencil-drawn Paper-based Non-invasive and Wearable Capacitive Respiration Sensor
Electroanalysis ( IF 2.7 ) Pub Date : 2017-09-27 , DOI: 10.1002/elan.201700438
Srinivasulu Kanaparthi ₁

Affiliation

This paper describes a fully-drawn pencil-on-paper based low-cost capacitive sensor for non-invasive respiration monitoring. The sensor utilizes the hygroscopic character of the paper to measure the breathing rate and pattern. The adsorption and desorption of water molecules on paper during inhalation and exhalation results in variation in its dielectric constant. This change in dielectric constant during respiration reflects the change in capacitance of the sensor. By interfacing the sensor with the microcontroller, the capacitance data was acquired and transferred to a smartphone through Bluetooth communication. Being a low cost, wearable, non-invasive and disposable sensor, it holds tremendous potential in healthcare technology and can be commercialized into a viable product for easy-to-use diagnostic purpose.

中文翻译：

铅笔画纸基无创可穿戴电容式呼吸传感器

本文描述了一种用于非侵入性呼吸监测的基于纸上铅笔的完全绘制的低成本电容式传感器。该传感器利用纸张的吸湿特性来测量呼吸频率和模式。吸入和呼气过程中水分子在纸上的吸附和解吸导致其介电常数发生变化。呼吸期间介电常数的这种变化反映了传感器电容的变化。通过将传感器与微控制器连接，电容数据被采集并通过蓝牙通信传输到智能手机。作为一种低成本、可穿戴、非侵入性和一次性传感器，它在医疗保健技术中具有巨大的潜力，并且可以商业化为一种可行的产品，用于易于使用的诊断目的。

更新日期：2017-09-27

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