材料科学
韧带
摩擦电效应
生物医学工程
纤维
硅酮
灵活性(工程)
复合材料
医学
外科
数学
统计
作者
Feifan Sheng,Bo Zhang,Yihan Zhang,Yanyan Li,Renwei Cheng,Chuanhui Wei,Chuan Ning,Kai Dong,Zhong Lin Wang
出处
期刊:ACS Nano
[American Chemical Society]
日期:2022-07-01
卷期号:16 (7): 10958-10967
被引量:34
标识
DOI:10.1021/acsnano.2c03365
摘要
Implantable sensors with the abilities of real-time healthcare monitoring and auxiliary training are important for exercise-induced or disease-induced muscle and ligament injuries. However, some of these implantable sensors have some shortcomings, such as requiring an external power supply or poor flexibility and stability. Herein, an organogel/silicone fiber-helical sensor based on a triboelectric nanogenerator (OFS-TENG) is developed for power-free and sutureable implantation ligament strain monitoring. The OFS-TENG with high stability and ultrastretchability is composed of an organogel fiber and a silicone fiber intertwined with a double helix structure. The organogel fiber possesses the merits of rapid preparation (15 s), good transparency (>95%), high stretchability (600%), and favorable stability (over 6 months). The OFS-TENG is successfully implanted on the patellar ligament of the rabbit knee for the real-time monitoring of knee ligament stretch and muscle stress, which is expected to provide a solution for real-time diagnosis of muscle and ligament injuries. The prepared self-powered OFS-TENG can monitor data on human muscles and ligaments in real-time.
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