Results 261 to 270 of about 247,715 (341)

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

Advanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong, You Zhou, Qingxiu Li, Wenyu Zhao, Sunyingyue Geng, Hangfei Li, Yan‐Bing Leng, Shirui Zhu, Guanglong Ding, Yongbiao Zhai, Ziyu Lv, Ye Zhou, Su‐Ting Han   +12 more
wiley   +1 more source

Tunable Enhancement of T Cell Expansion Through Modulation of Stiffness and Adhesion Receptor Engagement in an Engineered Hydrogel Platform

Advanced Materials, EarlyView.
We develop a hydrogel scaffold with controlled substrate stiffness and ligand functionalization for cell culture. Stiff substrates presenting CD3/CD28/CD2 ligands induce 2000‐fold expansion of T cells; this is 68% greater than the clinical standard (Dynabeads) and the first hydrogel capable of large‐scale expansion. Although expanding at a lower yield,
Niroshan Anandasivam, Rabia Ali, Lordean Gustinvil, Matthew J. Rosenwasser, Iain E. Dunlop, Derfogail Delcassian   +5 more
wiley   +1 more source

Néel Tensor Torque in Polycrystalline Antiferromagnets

Advanced Materials, EarlyView.
This work introduces a Néel tensor torque based on a rank‐two symmetric tensor capturing spin correlations in a polycrystalline antiferromagnet. It shows the Néel tensor can be shaped and reshaped through the spin‐orbit torque (SOT) technique, enabling field‐free SOT switching with a specific polarity of the adjacent ferromagnet. This discovery opens a
Chao‐Yao Yang, Sheng‐Huai Chen, Chih‐Hsiang Tseng, Hsiu‐Hau Lin, Chih‐Huang Lai   +4 more
wiley   +1 more source

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Shape-Memory Polymers

Angewandte Chemie International Edition, 2002
Material scientists predict a prominent role in the future for self-repairing and intelligent materials. Throughout the last few years, this concept has found growing interest as a result of the rise of a new class of polymers. These so-called shape-memory polymers by far surpass well-known metallic shape-memory alloys in their shape-memory properties.
Andreas, Lendlein, Steffen, Kelch
  +5 more sources

3D-Printed Piezoelectric Scaffolds with Shape Memory Polymer for Bone Regeneration.

Small, 2023
The application of piezoelectric nanoparticles with shape memory polymer (SMP) to 3D-printed piezoelectric scaffolds for bone defect repair is an attractive research direction.
Guanlin Li, Zehao Li, Yajun Min, Shilu Chen, Ruijia Han, Zheng Zhao   +5 more
semanticscholar   +1 more source

Mechanical behaviors and applications of shape memory polymer and its composites

Applied Physics Reviews, 2023
Shape memory polymer (SMP) and SMP composites (SMPC) can memorize the permanent shape and recover from the temporary shape to the permanent shape when stimulated by the appropriate stimuli.
Wei Zhao, Nana Li, Liwu Liu, J. Leng, Yanju Liu   +4 more
semanticscholar   +1 more source

Shape Memory Polymers

2018
Shape-memory polymers (SMPs) are stimuli-sensitive materials capable of changing their shape on demand. A shape-memory function is a result of the polymer architecture together with the application of a specific programming procedure. Various possible mechanisms to induce the shape-memory effect (SME) can be realized, which can be based on thermal ...
D I Arun, P Chakravarthy, R Arockiakumar, B Santhosh   +3 more
  +6 more sources

Photoprogrammable Moisture-Responsive Actuation of a Shape Memory Polymer Film.

ACS Applied Materials and Interfaces, 2022
Humidity-responsive polymeric actuators have gained considerable interest due to their great potential in the fields including soft robotics, artificial muscles, smart sensors, and actuators.
Jieying Xue, Yuhua Ge, Zhaotie Liu, Zhongwen Liu, Jinqiang Jiang, Guo Li   +5 more
semanticscholar   +1 more source

Autonomous Off‐Equilibrium Morphing Pathways of a Supramolecular Shape‐Memory Polymer

Advances in Materials, 2021
The diverse morphing behaviors of living creatures arise from their unlimited pathways. In contrast, the equilibrium‐driven morphing pathways of common synthetic shape‐shifting materials are very limited.
Wenjun Peng, Guogao Zhang, Qian Zhao, Tao Xie   +3 more
semanticscholar   +1 more source

Triple and Two-Way Reversible Shape Memory Polymer Networks with Body Temperature and Water Responsiveness

, 2021
Shape memory polymers (SMPs), as a class of intelligent materials, have shown great potential in biomedical and robotic fields.
Ruixue Liang, Haojie Yu, Li Wang, B. Amin, Nan Wang, Junchao Fu, Yusheng Xing, Di Shen, Zhipeng Ni   +8 more
semanticscholar   +1 more source