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Implanted Magnetoelectric Bionic Cartilage Hydrogel

delete2025-03-26
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OA
AI
J
Jiachen Liang
X
Xinyue Huang
K
Kaiqi Qin
H
Hui Wei
J
Jiaxin Yang
B
Bin Liu
范
范增杰 (Zengjie Fan) *
DOI:10.1002/adma.202415417delete
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摘要

摘要

En 中文
通过创建补充原位电磁刺激、模拟内源性电磁效应的仿生软骨水凝胶来增强受损软骨修复,仍具挑战性。为达成此目标,设计了一种独特的三相溶剂系统,用于制备磁电仿生软骨水凝胶,该水凝胶将压电聚(3-羟基丁酸-3-羟基戊酸)(PHBV)和磁致伸缩四氧化三铁纳米颗粒(Fe3O4 NPs)引入海藻酸钠(SA)水凝胶中,形成双网络、半交联链缠结结构。所制备的水凝胶在成分、结构和力学性能上与天然软骨相似。此外,在软骨植入后,轻微关节力触发运动驱动的磁电耦合循环转换模型,启动压电响应,进而引发磁电耦合循环转换。其能提供的自由激发且循环增强的电磁刺激,通过模拟并放大内源性电磁效应,获得的诱导受损软骨修复效果优于单独的压电或磁刺激。
Keyword:
bionic hydrogel
cartilage repair
electromagnetic stimulation repair
magnetoelectric coupling
magnetoelectric material

期刊

Advanced Materials 封面图
Advanced Materials
IF:
26.8
论文数:
3.4W
被引数:
46.0W

机构

L
lanzhou university
学者数:
4.2W
论文数: 2.6W
被引数: 27
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