Journal Article10.1002/ADMA.201700321
A Bioinspired Mineral Hydrogel as a Self-Healable, Mechanically Adaptable Ionic Skin for Highly Sensitive Pressure Sensing.
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TL;DR: A bioinspired mineral hydrogel is developed to fabricate a novel type of mechanically adaptable ionic skin sensor that is compliant, self-healable, and can sense subtle pressure changes, such as a gentle finger touch, human motion, or even small water droplets.
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Abstract: In the past two decades, artificial skin-like materials have received increasing research interests for their broad applications in artificial intelligence, wearable devices, and soft robotics. However, profound challenges remain in terms of imitating human skin because of its unique combination of mechanical and sensory properties. In this work, a bioinspired mineral hydrogel is developed to fabricate a novel type of mechanically adaptable ionic skin sensor. Due to its unique viscoelastic properties, the hydrogel-based capacitive sensor is compliant, self-healable, and can sense subtle pressure changes, such as a gentle finger touch, human motion, or even small water droplets. It might not only show great potential in applications such as artificial intelligence, human/machine interactions, personal healthcare, and wearable devices, but also promote the development of next-generation mechanically adaptable intelligent skin-like devices.
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Citations
Injectable Adhesive Hydrogels for Soft tissue Reconstruction: A Materials Chemistry Perspective
TL;DR: The key chemical features that enable the development and improvements in the use of polymeric injectable hydrogels as bioadhesives or sealants, their design requirements, the gelation mechanism, synthesis routes, and the role of adhesion mechanisms and strategies in different biomedical applications are summarized.
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Computational modelling of poro-visco-hyperelastic effects on time-dependent fatigue crack growth of hydrogels
TL;DR: In this article , a physically-based poro-visco-hyperelastic model is developed within the framework of the Theory of Porous Media (TPM) at finite strains to describe the solid-fluid-coupled material behavior of hydrogels.
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Aligned Porous and Anisotropic Nanocomposite Hydrogel with High Mechanical Strength and Superior Puncture Resistance by Reactive Freeze-Casting
Yufan Huang,Xu Zhang,Tianyi Zhu,Yufeng Wang,Nan Hu,Zeyu Ren,Xiaohui Yu,Dai Hai Nguyen,Chao Zhang,Tianxi Liu +9 more
TL;DR: Researchers developed a novel nanocomposite hydrogel with high mechanical strength, superior puncture resistance, and ultra-stretchability via reactive freeze-casting, exhibiting anisotropic properties and potential for skin-inspired sensors with impressive strain-sensing performance.
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