Mechanically-Compliant Bioelectronic Interfaces through Fatigue-Resistant Conducting Polymer Hydrogel Coating
Because of their distinct electrochemical and mechanical properties, conducting polymer hydrogels have been widely exploited as soft, wet, and conducting coatings for conventional metallic electrodes, providing mechanically compliant interfaces and mitigating foreign body responses. However, the long-term viability of these hydrogel coatings is hindered by concerns regarding fatigue crack propagation and/or delamination caused by repetitive volumetric expansion/shrinkage during long-term electrical interfacing. This study reports a general yet reliable approach to achieving a fatigue-resistant conducting polymer hydrogel coating on conventional metallic bioelectrodes by engineering nanocrystalline domains at the interface between the hydrogel and metallic substrates. It demonstrates the efficacy of this robust, biocompatible, and fatigue-resistant conducting hydrogel coating in cardiac pacing, showcasing its ability to effectively reduce the pacing threshold voltage and enhance the long-term reliability of electric stimulation. This study findings highlight the potential of its approach as a promising design and fabrication strategy for the next generation of seamless bioelectronic interfaces.
NI Journal Papers ; NI论文
First ; Corresponding
National Science and Technology Innovation[2022ZD0209500] ; Natural Science Foundation of Guangdong Province[2022A1515010152] ; Basic Research Program of Shenzhen["JCYJ20210324105211032","GJHZ20210705141809030"] ; Scientific Research Platforms and Projects of University of Guangdong Provincial Education Office[2022ZDZX3019] ; Science, Technology and Innovation Commission of Shenzhen Municipality["ZDSYS20200811143601004","ZDSYS20220527171403009"]
|WOS Research Area|
Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
|WOS Accession No|
|ESI Research Field|
Cited Times [WOS]:0
|Document Type||Journal Article|
|Department||Department of Mechanical and Energy Engineering|
1.Department of Mechanical and Energy Engineering,Southern University of Science and Technology,Shenzhen,518055,China
2.Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems,Department of Mechanical and Energy Engineering,Southern University of Science and Technology,Shenzhen,518055,China
3.Shenzhen Key Laboratory of Intelligent Robotics and Flexible Manufacturing Systems,Southern University of Science and Technology,Shenzhen,518055,China
4.Guangdong Provincial Key Laboratory of Human-Augmentation and Rehabilitation Robotics in Universities,Southern University of Science and Technology,Shenzhen,518055,China
|First Author Affilication||Department of Mechanical and Energy Engineering|
|Corresponding Author Affilication||Department of Mechanical and Energy Engineering; Southern University of Science and Technology|
|First Author's First Affilication||Department of Mechanical and Energy Engineering|
Xue，Yu,Chen，Xingmei,Wang，Fucheng,et al. Mechanically-Compliant Bioelectronic Interfaces through Fatigue-Resistant Conducting Polymer Hydrogel Coating[J]. Advanced Materials,2023,35(40).
Xue，Yu,Chen，Xingmei,Wang，Fucheng,Lin，Jingsen,&Liu，Ji.(2023).Mechanically-Compliant Bioelectronic Interfaces through Fatigue-Resistant Conducting Polymer Hydrogel Coating.Advanced Materials,35(40).
Xue，Yu,et al."Mechanically-Compliant Bioelectronic Interfaces through Fatigue-Resistant Conducting Polymer Hydrogel Coating".Advanced Materials 35.40(2023).
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