Programmable morphing hydrogels for soft actuators and robots: from structure designs to active functions

D Jiao, QL Zhu, CY Li, Q Zheng… - Accounts of Chemical …, 2022 - ACS Publications
Conspectus Nature provides abundant inspiration and elegant paradigms for the
development of smart materials that can actuate, morph, and move on demand. One …

Recent advances in stimuli‐responsive shape‐morphing hydrogels

X Liu, M Gao, J Chen, S Guo, W Zhu… - Advanced Functional …, 2022 - Wiley Online Library
Inspired by shape‐morphing organisms in nature, researchers have developed various
hydrogels with stimuli‐responsive swelling, shrinking, bending, folding, origami, rolling …

Programmable nanocomposites of cellulose nanocrystals and zwitterionic hydrogels for soft robotics

R Nasseri, N Bouzari, J Huang, H Golzar… - Nature …, 2023 - nature.com
Stimuli-responsive hydrogels have garnered significant attention as a versatile class of soft
actuators. Introducing anisotropic properties, and shape-change programmability to …

Biomimetic anisotropic hydrogels: Advanced fabrication strategies, extraordinary functionalities, and broad applications

MTI Mredha, I Jeon - Progress in Materials Science, 2022 - Elsevier
A variety of soft, hydrogel-like materials with sophisticated micro-and nanoengineered
ordered structures that offer excellent functionalities exist in nature. Conventional synthetic …

Materials as machines

JM McCracken, BR Donovan, TJ White - Advanced Materials, 2020 - Wiley Online Library
Abstract Machines are systems that harness input power to extend or advance function.
Fundamentally, machines are based on the integration of materials with mechanisms to …

Reversibly transforming a highly swollen polyelectrolyte hydrogel to an extremely tough one and its application as a tubular grasper

HC Yu, SY Zheng, L Fang, Z Ying, M Du… - Advanced …, 2020 - Wiley Online Library
Abstract Poly (2‐acrylamido‐2‐methyl‐1‐propanesulfonic acid) and its copolymer hydrogels
are typical polyelectrolyte gels with extremely high swelling capacity that are widely used in …

Bioinspired synergistic fluorescence‐color‐switchable polymeric hydrogel actuators

S Wei, W Lu, X Le, C Ma, H Lin, B Wu… - Angewandte …, 2019 - Wiley Online Library
Many living organisms have amazing control over their color, shape, and morphology for
camouflage, communication, and even reproduction in response to interplay between …

Asymmetric elastoplasticity of stacked graphene assembly actualizes programmable untethered soft robotics

S Wang, Y Gao, A Wei, P Xiao, Y Liang, W Lu… - Nature …, 2020 - nature.com
There is ever-increasing interest yet grand challenge in developing programmable
untethered soft robotics. Here we address this challenge by applying the asymmetric …

Spontaneous and rapid electro-actuated snapping of constrained polyelectrolyte hydrogels

CY Li, SY Zheng, XP Hao, W Hong, Q Zheng… - Science …, 2022 - science.org
Venus flytrap and bladderwort, capable of rapid predation through a snapping transition,
have inspired various designs of soft actuators and robots with fast actions. These designs …

Bioinspired simultaneous changes in fluorescence color, brightness, and shape of hydrogels enabled by AIEgens

Z Li, P Liu, X Ji, J Gong, Y Hu, W Wu… - Advanced …, 2020 - Wiley Online Library
Abstract Development of stimuli‐responsive materials with complex practical functions is
significant for achieving bioinspired artificial intelligence. It is challenging to fabricate stimuli …