Sang Yoon Park, Se Jin Choi, Jae Chan Kim, Daniel J. Joe, Han Eol Lee
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引用次数: 0
摘要
心电图传感器正逐渐成为现代人诊断各种心血管疾病的必备医疗设备。传统的心电传感器已经被一些研究人员研究过，但它们仍然存在佩戴不舒服、容易肿胀、导电性差和信号不准确等显著问题。在这里，我们展示了一种基于水凝胶纳米复合材料的ECG传感器贴片，该贴片与基于水凝胶的生物相容性电极和电磁干扰（EMI）屏蔽层单片集成在一个单元中。所开发的低阻抗器件（20 kΩ）具有优异的机械性能，包括附着力（35.8 N m−1）、多次可拆卸性（5次）、拉伸/扭转稳定性和自修复特性。该心电传感器具有30天的长期湿度稳定性，具有良好的生物相容性。最后，采用高电磁干扰屏蔽性能的心电贴片实时监测人体生命信号和脉搏率变化。
Self-Healable and Conductive Hydrogel Nanocomposite with High Environmental Stability for Electromagnetic-Interference-Free Electrocardiography Patches
Electrocardiogram (ECG) sensor is emerging as an essential medical device for diagnosing various cardiovascular diseases in modern people. Conventional ECG sensors have investigated by several researchers, but they still have significant issues of discomfort in wearing, easy swelling, poor electrical conductivity, and signal inaccuracy. Here, we demonstrate a hydrogel nanocomposite-based ECG sensor patches, monolithically integrated with a hydrogel-based biocompatible electrode and an electromagnetic interference (EMI) shielding layer in a single unit. The developed device with low impedance (20 kΩ) exhibited excellent mechanical properties including adhesion force (35.8 N m−1), multiple detachability (5 times), stretching/twisting stability and self-healing characteristic. The ECG sensor displayed superior long-term humidity stability for 30 days, showing superior biocompatibility. Finally, the ECG patch with high EMI shielding property monitored human vital signal and pulse rate changes in real-time.
期刊介绍：
Energy & Environmental Materials (EEM) is an international journal published by Zhengzhou University in collaboration with John Wiley & Sons, Inc. The journal aims to publish high quality research related to materials for energy harvesting, conversion, storage, and transport, as well as for creating a cleaner environment. EEM welcomes research work of significant general interest that has a high impact on society-relevant technological advances. The scope of the journal is intentionally broad, recognizing the complexity of issues and challenges related to energy and environmental materials. Therefore, interdisciplinary work across basic science and engineering disciplines is particularly encouraged. The areas covered by the journal include, but are not limited to, materials and composites for photovoltaics and photoelectrochemistry, bioprocessing, batteries, fuel cells, supercapacitors, clean air, and devices with multifunctionality. The readership of the journal includes chemical, physical, biological, materials, and environmental scientists and engineers from academia, industry, and policy-making.
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