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A Mussel‐Inspired Conductive, Self‐Adhesive, and Self‐Healable Tough Hydrogel as Cell Stimulators and Implantable Bioelectronics

Small · 2016 · Vol. 13(2)

Lu Han(Southwest Jiaotong University)Xiong Lu✉(Sichuan University)Menghao Wang(Southwest Jiaotong University)Donglin Gan(Southwest Jiaotong University)Weili Deng(Southwest Jiaotong University)Kefeng Wang(Sichuan University)Liming Fang(South China University of Technology)Kezhi Liu(Southwest Jiaotong University)C.W. Chan(Chinese University of Hong Kong)Youhong Tang(Flinders University)Lu‐Tao Weng(Hong Kong University of Science and Technology)Huipin Yuan(Sichuan University)

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Abstract

A graphene oxide conductive hydrogel is reported that simultaneously possesses high toughness, self-healability, and self-adhesiveness. Inspired by the adhesion behaviors of mussels, our conductive hydrogel shows self-adhesiveness on various surfaces and soft tissues. The hydrogel can be used as self-adhesive bioelectronics, such as electrical stimulators to regulate cell activity and implantable electrodes for recording in vivo signals.

Advanced Sensor and Energy Harvesting Materials Neuroscience and Neural Engineering Conducting polymers and applicationsBioelectronicsNanotechnologyElectrical conductorMaterials scienceAdhesiveConductive polymerSelf adhesiveAdhesionElectrically conductiveComposite material

MeSH terms

PolyacrylamidesAcrylic ResinsAdhesivesAnimalsElectric ConductivityElectrodesElectronicsGraphiteIndolesOxidation-ReductionPolymersRabbitsProstheses and ImplantsHydrogel, Polyethylene Glycol DimethacrylateBivalvia