超细纤维
材料科学
微尺度化学
纳米技术
微流控
接头(建筑物)
自愈水凝胶
复合材料
数码产品
结构工程
电气工程
数学
工程类
数学教育
高分子化学
作者
Jiahui Guo,Yunru Yu,Han Zhang,Lingyu Sun,Yuanjin Zhao
标识
DOI:10.1021/acsami.1c10311
摘要
Effective and timely joint monitoring has been a significantly vital research direction in human healthcare. As an emerging technology, flexible electronics provides more possibilities and applicabilities for practical sensing and signal transmission. Here, we provide novel elastic MXene microfibers of controllable morphologies at a microscale through microfluidic technology for actual joint motion monitoring. Double-network hydrogels including covalently cross-linking polyacrylamide and ionically cross-linking alginate were chosen for superelasticity. For the improvement of the electrical conductivity of superelastic hydrogel microfibers, MXene was selected to mix with them. By introducing the cross-linker to the outer channel, microfibers with controllable diameters along with high electrical conductivities and tensile properties could be fabricated successfully. The practical value of the synthesized microfibers in joint movement sensing has been demonstrated by acting as the element of new motion sensors. Based on these features, it is believed that these elastic MXene hydrogel microfibers have high potential for rapid sensing and diagnosis of joint diseases.
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