In the present review, we focused on the fundamental concepts of hydrogels—classification,
the polymers involved, synthesis methods, types of hydrogels, properties, and applications …

Energy and water are of fundamental importance for our modern society, and advanced
technologies on sustainable energy storage and conversion as well as water resource …

Stimulus-responsive shape-shifting polymers,–have shown unique promise in emerging
applications, including soft robotics,,–, medical devices, aerospace structures and flexible …

Three-dimensional cell and organoid cultures rely on the mechanical support of viscoelastic
matrices. However, commonly used matrix materials lack control over key cell-instructive …

Stimuli-responsive metal–organic framework nanoparticles, NMOFs, provide a versatile
platform for the controlled release of drugs and biomedical applications. The porous …

Materials capable of shape‐morphing and/or fluorescence imaging have practical
significances in the fields of anti‐counterfeiting, information display, and information …

An acid-resistant DNA hydrogel that is stable in an extremely acidic environment with pH as
low as 1.2 has not been reported before, largely due to the instability of DNA-hybridized …

Nature endows numerous organisms with the ability to realize their basic physiological
activities through stimulus-responsive actuation. Inspired by these interesting biological …

Hydrophilic polymeric networks that are capable of imbibing huge volumes of water and
undergoing swelling and shrinkage suitably to facilitate controlled drug-release are called …

This Review presents polysaccharides, oligosaccharides, nucleic acids, peptides, and
proteins as functional stimuli‐responsive polymer scaffolds that yield hydrogels with …