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Shape memory polymers for neural interfaces: a mini-review

delete2025-07-24
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PRE
AI
L
Lu Dai
C
Chenghao Zheng
宋吉舟 封面图
宋吉舟 (Jizhou Song)
R
Rui Xiao *
DOI:doi:10.1088/1361-665X/adf0b8delete
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摘要

摘要

En 中文
形状记忆聚合物(SMPs)具有两种独特特性。首先,它们在外部刺激下可以从临时形状恢复到永久形状。其次,其刚度可以在响应温度变化或暴露于水环境时改变几个数量级。这两种特性使得SMPs成为用于神经接口的极具前景的材料。使用SMPs作为基底的设备可以最初编程为高刚度的紧凑临时形状,以实现微创植入。然后,SMP基底可以展开为柔软且体积较大的配置,从而克服传统硬设备与软组织之间巨大的刚度不匹配问题。自Voit课题组开创使用硫醇-烯基SMPs作为神经接口的先驱工作以来,该领域已取得显著进展。在本工作中,我们回顾了基于SMP的神经接口的最新进展。首先将展示几种具有代表性的设备设计,以展示SMP基底与电极的集成。随后的部分讨论了SMPs的表征方法,包括其机械性能和生物相容性。最后,本文提供了几个使用基于SMP的神经接口进行神经信号在体功能记录的实例。
Keyword:
shape-memory polymers
neural interfaces
minimally invasive implantation
mechanical properties
biocompatibility

期刊

Smart Materials and Structures 封面图
Smart Materials and Structures
IF:
3.8
论文数:
8.5K
被引数:
2.5W

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