材料科学
自愈水凝胶
同轴
纺纱
制作
生物相容性材料
喷嘴
复合材料
弹性(材料科学)
纳米技术
机械工程
生物医学工程
工程类
病理
医学
高分子化学
替代医学
作者
Wenchao Xiao,Ping Zhang,Hongqiu Wei,You Yu
出处
期刊:ACS Macro Letters
[American Chemical Society]
日期:2020-11-03
卷期号:9 (11): 1681-1686
被引量:18
标识
DOI:10.1021/acsmacrolett.0c00621
摘要
Hydrogel tubes as one kind of perfusable tubular materials, show promising applications in a wide spectrum of fields. However, there is still a great challenge to design a rapid, biocompatible, and straightforward strategy for one-step engineering tough hydrogel tubes, which have excellent mechanical properties, unique resilience, and multiple functions. Herein, we explore visible-light-mediated orthogonal photochemistry to achieve the fabrication of tough hydrogel tubes with double networks via a coaxial-nozzle spinning technique under short blue-light irradiation (∼20 s). The as-prepared tubes are tough (2.3 MJ m-3) and have mechanical strength (∼300 kPa) with a critical strain of 16, good fatigue resistance, and resilience (>95% within 3 min). These perfusable tubular hydrogels not only can be knitted and assembled to complicated 2D/3D structures, but also are designed to fabricate functional tubes in one step with the applications in fields of smart materials, soft electronics, and sensors.
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