Stretchable, self-healing and tissue-adhesive zwitterionic hydrogels as strain sensors for wireless monitoring of organ motions

被引：361

作者：

Pei, Xinjie ^{[1
,2
,3
]}

Zhang, Hua ^{[2
]}

Zhou, Yang ^{[2
]}

Zhou, Linjie ^{[1
]}

Fu, Jun ^{[1
]}

机构：

[1] Sun Yat Sen Univ, Sch Mat Sci & Engn, Guangzhou 510275, Guangdong, Peoples R China

[2] Chinese Acad Sci, Polymers & Composites Div, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China

[3] Univ Chinese Acad Sci, Beijing 101408, Peoples R China

来源：

MATERIALS HORIZONS | 2020年 / 7卷 / 07期

基金：

中国国家自然科学基金;

关键词：

INSPIRED ADHESIVE; TOUGH; DESIGN; SURFACE; CLAY;

D O I：

10.1039/d0mh00361a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Skin-inspired sensors have great potential applications in wearable and implantable devices to monitor human motions. Robust tissue adhesion, fatigue resistance, and biocompatibility are desired forin situsignal capture and wireless transmission. Inspired by the mussel and zwitterionic adhesion mechanisms, we prepared novel stretchable, self-healing and polydopamine zwitterionic nanocomposite hydrogels that provide reversible and robust adhesion to tissues with a strength up to 19.4 kPa and a strain sensitivity of 4.3. The hydrogel sensors robustly adhere to organs like the heart, liver, and lungs to capture signals for remote monitoring and diagnostics through wireless transmission.

引用

页码：1872 / 1882

页数：11

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