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Muscle-like Hydrogels by Mechanical Training

In our recent work, We propose a strategy of mechanical training to achieve the aligned nanofibrillar architectures of skeletal muscles in synthetic hydrogels, resulting in the combinational muscle-like properties for the first time.

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Anti-fatigue-fracture hydrogels

Summary (Lin et al., Sci. Adv. 2019; 5: eaau8528) : Designing nano-crystalline domains gives extremely anti-fatigue-fracture hydrogels for artificial cartilages and soft robots. 

anti-fatigue-fracture hydrogels

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Instabilities in confined elastic layers under tension: Fringe, fingering and cavitation

Under tension, confined elastic layers can exhibit various modes of mechanical instabilities, including cavitation, fingering and fringe instabilities. While the cavitation has been extensively studied, the fingering and fringe instabilities have not been well understood, and the relations and interactions of these instabilities have not been explored yet. In this paper, we systematically study the formation, transition, interaction and co-existence of mechanical instabilities in confined elastic layers under tension.

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Fringe Instability in Constrained Soft Elastic Layers

Soft elastic layers with top and bottom surfaces adhered to rigid bodies are abundant in biological organisms and engineering applications. As the rigid bodies are pulled apart, the stressed layer can exhibit various modes of mechanical instabilities. In cases where the layer’s thickness is much smaller than its length and width, the dominant modes that have been studied are the cavitation, interfacial and fingering instabilities.

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3D Printing of Highly Stretchable and Tough Hydrogels into Complex, Cellularized Structures

Sungmin Hong, Dalton Sycks, Hon Fai Chan, Shaoting Lin, Gabriel P. Lopez, Farshid Guilak, Kam W. Leong, Xuanhe Zhao, Advanced Materials, 27, 4035-4040, 2015. 

 

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