Wearable, Healable, and Adhesive Epidermal Sensors Assembled from Mussel‐Inspired Conductive Hybrid Hydrogel Framework,Advanced Functional Materials

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Wearable, Healable, and Adhesive Epidermal Sensors Assembled from Mussel‐Inspired Conductive Hybrid Hydrogel Framework
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2017-11-14 , DOI: 10.1002/adfm.201703852
Meihong Liao _{1,

2} , Pengbo Wan _{1,

2} , Jiangru Wen _{1,

2} , Min Gong _{1,

2} , Xiaoxuan Wu _{1,

2} , Yonggang Wang _{1,

2} , Rui Shi ₃ , Liqun Zhang _{1,

2}

Affiliation

Healable, adhesive, wearable, and soft human‐motion sensors for ultrasensitive human–machine interaction and healthcare monitoring are successfully assembled from conductive and human‐friendly hybrid hydrogels with reliable self‐healing capability and robust self‐adhesiveness. The conductive, healable, and self‐adhesive hybrid network hydrogels are prepared from the delicate conformal coating of conductive functionalized single‐wall carbon nanotube (FSWCNT) networks by dynamic supramolecular cross‐linking among FSWCNT, biocompatible polyvinyl alcohol, and polydopamine. They exhibit fast self‐healing ability (within 2 s), high self‐healing efficiency (99%), and robust adhesiveness, and can be assembled as healable, adhesive, and soft human‐motion sensors with tunable conducting channels of pores for ions and framework for electrons for real time and accurate detection of both large‐scale and tiny human activities (including bending and relaxing of fingers, walking, chewing, and pulse). Furthermore, the soft human‐motion sensors can be enabled to wirelessly monitor the human activities by coupling to a wireless transmitter. Additionally, the in vitro cytotoxicity results suggest that the hydrogels show no cytotoxicity and can facilitate cell attachment and proliferation. Thus, the healable, adhesive, wearable, and soft human‐motion sensors have promising potential in various wearable, wireless, and soft electronics for human–machine interfaces, human activity monitoring, personal healthcare diagnosis, and therapy.

中文翻译：

由贻贝启发的导电混合水凝胶框架组装而成的可穿戴，可愈合且具有粘性的表皮传感器

由具有可靠的自修复能力和强大的自粘性的导电和人性化混合水凝胶成功组装了用于超灵敏人机交互和医疗保健监控的可修复，粘合，可穿戴和柔软的人体运动传感器。导电，可修复和自粘混合网络水凝胶是通过导电功能化单壁碳纳米管（FSWCNT）网络的精细共形涂层，通过FSWCNT，生物相容性聚乙烯醇和聚多巴胺之间的动态超分子交联制备的。它们具有快速的自修复能力（在2 s内），高的自修复效率（99％）和牢固的粘合性，并且可以组装成可修复的粘合剂，柔软的人体运动传感器，具有可调节的离子孔传导通道和电子框架，可实时，精确地检测大规模和微小的人类活动（包括手指的弯曲和放松，手指的行走，咀嚼和脉搏）。此外，可以通过耦合到无线发射器来使柔软的人体运动传感器无线监控人类活动。另外，体外细胞毒性结果表明水凝胶没有细胞毒性，可以促进细胞附着和增殖。因此，可修复，粘合，可穿戴和柔软的人体运动传感器在用于人机界面，人类活动监测，个人保健诊断和治疗的各种可穿戴，无线和柔软电子产品中具有广阔的发展潜力。

更新日期：2017-11-14

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