Explanipedia

Flaw Sensitivity of Tough and Self-Healing Hydrogels with Hierarchical Structure Open

Reina Watanabe, Haruna Tsuchibora, Ryuji Kiyama, Kunpeng Cui, Xueyu Li · 2025

Synchrotron Radiation X-ray Scattering Approaching Real Industrial Processing of Polymer Open

Wenyi Li, Wancheng Yu, Jianhe Zhu, Minghua Qiao, Hang Guo , et al. · 2025

Second-Order Regularity for Degenerate Parabolic Quasi-Linear Equations in the Heisenberg Group Open

Chengwei Yu, Huiying Wang, Kunpeng Cui, Zengqin Zhao · 2024

In the Heisenberg group Hn, we obtain the local second-order HWloc2,2-regularity for the weak solution u to a class of degenerate parabolic quasi-linear equations ∂tu=∑i=12nXiAi(Xu) modeled on the parabolic p-Laplacian equation. Specifical…

Mechanisms Governing Crack Speed in Peridynamic Model Open

Mengnan Zhang, Shuyu Chen, Jiale Ji, Kunpeng Cui, Fucheng Tian , et al. · 2024

Role of hierarchy structure on the mechanical adaptation of self-healing hydrogels under cyclic stretching Open

Xueyu Li, Kunpeng Cui, Yong Zheng, Ya Nan Ye, Chengtao Yu , et al. · 2023

Soft materials with mechanical adaptability have substantial potential for various applications in tissue engineering. Gaining a deep understanding of the structural evolution and adaptation dynamics of soft materials subjected to cyclic s…

Effect of Salt on Dynamic Mechanical Behaviors of Polyampholyte Hydrogels Open

Xueyu Li, Feng Luo, Tao Lin Sun, Kunpeng Cui, Reina Watanabe , et al. · 2022

Understanding the dynamic mechanical behaviors of tough hydrogels with ionic dynamic bonds in saline solution is crucial for applications, particularly in the biomedical field. In this work, using polyampholyte hydrogels, dually crosslinke…

Load transfer between permanent and dynamic networks due to stress gradients in nonlinear viscoelastic hydrogels Open

Jikun Wang, Kunpeng Cui, Bangguo Zhu, Jian Ping Gong, Chung‐Yuen Hui , et al. · 2022

Force-triggered rapid microstructure growth on hydrogel surface for on-demand functions Open

Qifeng Mu, Kunpeng Cui, Zhi Jian Wang, Takahiro Matsuda, Wei Cui , et al. · 2022

Mechanism of temperature-induced asymmetric swelling and shrinking kinetics in self-healing hydrogels Open

Kunpeng Cui, Chengtao Yu, Ya Nan Ye, Xueyu Li, Jian Ping Gong · 2022

Understanding the physical principle that governs the stimuli-induced swelling and shrinking kinetics of hydrogels is indispensable for their applications. Here, we show that the shrinking and swelling kinetics of self-healing hydrogels co…

Instantaneous micropatterning of a double-network hydrogel surface triggered by mechanical force Open

Qifeng Mu, Kunpeng Cui, Zhi Jian Wang, Takahiro Matsuda, Wei Cui , et al. · 2022

Instantaneous patterning on soft material surfaces, such as hydrogels, is important in various research fields; however, it is extremely challenging. Existing strategies for soft material surface patterning are time-consuming and have poor…

Structure Frustration Enables Thermal History-Dependent Responsive Behavior in Self-Healing Hydrogels Open

Chengtao Yu, Kunpeng Cui, Honglei Guo, Ya Nan Ye, Xueyu Li , et al. · 2021

Biological soft tissues usually execute their functions via nonequilibrium and dynamic structural transformations. By contrast, functional hydrogels are mainly constructed by implementing static and equilibrium structures in the polymer ne…

Facile preparation of cellulose hydrogel with Achilles tendon-like super strength through aligning hierarchical fibrous structure Open

Yun Guo, Tasuku Nakajima, Md. Tariful Islam Mredha, Hong Lei Guo, Kunpeng Cui , et al. · 2021

The extreme mechanical strength of fibrous connective tissues in the human body, such as ligaments and ten-dons, has always been challenging for hydrogel scientists. Here, we created extremely strong, purely cellulose -based hydrogels (DCC…

Effect of mesoscale phase contrast on fatigue-delaying behavior of self-healing hydrogels Open

Xueyu Li, Kunpeng Cui, Takayuki Kurokawa, Ya Nan Ye, Tao Lin Sun , et al. · 2021

The multilevel fatigue resistance mechanism of tough and self-healing hydrogels with a hierarchical structure was revealed.

Molecular mechanism of abnormally large nonsoftening deformation in a tough hydrogel Open

Ya Nan Ye, Kunpeng Cui, Wei Hong, Xueyu Li, Chengtao Yu , et al. · 2021

Significance Tough soft materials usually show strain softening. Avoiding strain softening, although important for practical application, had not been a focus of research. Recently, a series of tough hydrogels made from hyperconnective phy…

High-Fidelity Hydrogel Thin Films Processed from Deep Eutectic Solvents Open

David E. Delgado, Daniel R. King, Kunpeng Cui, Jian Ping Gong, Kenneth R. Shull · 2020

Polyampholyte (PA) hydrogels are a fascinating class of soft materials that can exhibit high toughness while retaining self-healing characteristics. This behavior results from the random distribution of oppositely charged monomers along th…

Hydrogels as dynamic memory with forgetting ability Open

Chengtao Yu, Honglei Guo, Kunpeng Cui, Xueyu Li, Ya Nan Ye , et al. · 2020

Significance Life provides the best demonstration of complex and adaptive nonequilibrium system, which executes biological functions through nonequilibrium structure transformation. Creating lifelike materials to achieve part of or full bi…

Lamellar Bilayer to Fibril Structure Transformation of Tough Photonic Hydrogel under Elongation Open

Md. Anamul Haque, Kunpeng Cui, Muhammad Ilyas, Takayuki Kurokawa, Alba Marcellan , et al. · 2020

Synthetic hydrogels possessing both macroscopic anisotropic structure and toughness, which are analogous to the load-bearing bio-tissues such as muscles and tendons, are rarely available. Studying the molecular mechanism of tough and aniso…

Mesoscale bicontinuous networks in self-healing hydrogels delay fatigue fracture Open

Xueyu Li, Kunpeng Cui, Tao Lin Sun, Lingpu Meng, Chengtao Yu , et al. · 2020

Significance Muscles, composed of exquisite hierarchical structures, exhibit high fatigue resistance and can resist crack propagation even after injury. The mechanism of the hierarchical structures on suppressing crack advance under recipr…

Relaxation Dynamics and Underlying Mechanism of a Thermally Reversible Gel from Symmetric Triblock Copolymer Open

Ya Nan Ye, Kunpeng Cui, Tsutomu Indei, Tasuku Nakajima, Dominique Hourdet , et al. · 2019

We report a novel thermally responsive system from poly(butyl methacrylate)-b-poly(methacrylic acid)-b-poly(butyl methacrylate) (PBMA-b-PMAA-b-PBMA) triblock copolymer in dimethylformamide (DMF) solvent. This system shows a sol–gel transit…

Effect of Structure Heterogeneity on Mechanical Performance of Physical Polyampholytes Hydrogels Open

Kunpeng Cui, Ya Nan Ye, Tao Lin Sun, Liang Chen, Xueyu Li , et al. · 2019

Recent studies reported a multiscale structure in tough and self-healing hydrogels containing physical associations. For example, a type of tough and self-healing hydrogel from charge-balanced polyampholytes (PA) has a mesoscale bicontinuo…

Hydrogel Membranes: Tough and Self‐Recoverable Thin Hydrogel Membranes for Biological Applications (Adv. Funct. Mater. 31/2018) Open

Ya Nan Ye, Martin Frauenlob, Lei Wang, Masumi Tsuda, Tao Lin Sun , et al. · 2018

In article number 1801489, triblock copolymers are utilized in a non-covalent double network strategy by Tasuku Nakajima, Jian Ping Gong, and co-workers to yield 5–100 μm thin hydrogel membranes with ≈75% water content. Those semi-permeabl…

Bulk Energy Dissipation Mechanism for the Fracture of Tough and Self-Healing Hydrogels Open

Tao Lin Sun, Feng Luo, Wei Hong, Kunpeng Cui, Yiwan Huang , et al. · 2017

Recently, many tough and self-healing hydrogels have been developed based on physical bonds as reversible sacrificial bonds. As breaking and re-forming of physical bonds are time-dependent, these hydrogels are viscoelastic and the deformat…

The non-equilibrium phase diagrams of flow-induced crystallization and melting of polyethylene Open

Zhen Wang, Jianzhu Ju, Junsheng Yang, Zhe Ma, Dong Liu , et al. · 2016

Combining extensional rheology with in-situ synchrotron ultrafast x-ray scattering, we studied flow-induced phase behaviors of polyethylene (PE) in a wide temperature range up to 240 °C. Non-equilibrium phase diagrams of crystallization an…

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