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Themed collection Hydrogel properties and applications

21 items
Review Article

Understanding hydrogelation processes through molecular dynamics

Molecular dynamics (MD) is currently one of the preferred techniques employed to understand hydrogelation processes for its ability to include large amounts of atoms in computational calculations, since substantial amounts of solvent molecules are involved in gel formation.

Graphical abstract: Understanding hydrogelation processes through molecular dynamics
From the themed collection: Hydrogel properties and applications
Review Article

Progress in self-healing hydrogels assembled by host–guest interactions: preparation and biomedical applications

Preparation and biomedical applications of self-healing hydrogels assembled from hosts of cyclodextrins and cucurbit[n]urils with various guests were reviewed.

Graphical abstract: Progress in self-healing hydrogels assembled by host–guest interactions: preparation and biomedical applications
From the themed collection: Hydrogel properties and applications
Review Article

Considerations for hydrogel applications to neural bioelectronics

Hydrogels have garnered interest as materials in bioelectronics due to the capacity to tailor their properties. Appropriate selection and design of hydrogel systems for this application requires an understanding of the physical, chemical and biological properties as well as their structure–property relationships.

Graphical abstract: Considerations for hydrogel applications to neural bioelectronics
From the themed collection: Hydrogel properties and applications
Review Article

Shape-changing polymers for biomedical applications

Smart polymers that are capable of controlled shape transformations under external stimuli have attracted significant attention in the recent years due to the resemblance of this behavior to the biological intelligence observed in nature. In this review, we focus on the recent progress in the field of shape-morphing polymers, highlighting their most promising applications in the biomedical field.

Graphical abstract: Shape-changing polymers for biomedical applications
From the themed collection: Hydrogel properties and applications
Review Article

Development of functional hydrogels for heart failure

Hydrogel-based approaches were reviewed for cardiac tissue engineering and myocardial regeneration in ischemia-induced heart failure, with an emphasis on functional studies, translational status, and clinical advancements.

Graphical abstract: Development of functional hydrogels for heart failure
From the themed collection: Hydrogel properties and applications
Review Article

Semicrystalline physical hydrogels with shape-memory and self-healing properties

Synthetic hydrogels are generally amorphous in nature without any order at the molecular level.

Graphical abstract: Semicrystalline physical hydrogels with shape-memory and self-healing properties
From the themed collection: Hydrogel properties and applications
Review Article

Multifunctional cellulose-based hydrogels for biomedical applications

This review focuses on state-of-the-art progress in cellulose-based hydrogels, and emphasizes their fascinating properties and biomedical applications.

Graphical abstract: Multifunctional cellulose-based hydrogels for biomedical applications
From the themed collection: Hydrogel properties and applications
Review Article

Dynamic hydrogels mediated by macrocyclic host–guest interactions

The recent progress in dynamic hydrogels mediated by macrocyclic host–guest interactions is reviewed.

Graphical abstract: Dynamic hydrogels mediated by macrocyclic host–guest interactions
From the themed collection: Hydrogel properties and applications
Communication

Electrochemical-mediated gelation of catechol-bearing hydrogels based on multimodal crosslinking

Applying full cell potential estimation in redox pairs of [PEG-Cat]4 + Mz+ to elucidate contributions of metal ion precursors on hydrogel properties.

Graphical abstract: Electrochemical-mediated gelation of catechol-bearing hydrogels based on multimodal crosslinking
From the themed collection: Hydrogel properties and applications
Communication

Thermo- and photo-responsive composite hydrogels with programmed deformations

Composite hydrogels were fabricated by photolithographic polymerization to form a non-responsive gel and subsequent thermal polymerization to form a dual-responsive gel. These composite gels with heterogeneous structures showed programmed deformations upon heating or light irradiation.

Graphical abstract: Thermo- and photo-responsive composite hydrogels with programmed deformations
Communication

Macroscopic supramolecular assembly of rigid hydrogels assisted by a flexible spacing coating

A flexible spacing coating is introduced to a rigid hydrogel surface to improve the surface compliance for efficient macroscopic supramolecular assembly.

Graphical abstract: Macroscopic supramolecular assembly of rigid hydrogels assisted by a flexible spacing coating
From the themed collection: Hydrogel properties and applications
Communication

A shape-shifting composite hydrogel sheet with spatially patterned plasmonic nanoparticles

A simple and reliable approach was developed to fabricate thermo-responsive composite hydrogel sheets with spatially patterned regions of plasmonic gold nanoparticles. The same hydrogel exhibited different modes of shape deformation under near-infrared laser irradiation depending on the irradiation direction.

Graphical abstract: A shape-shifting composite hydrogel sheet with spatially patterned plasmonic nanoparticles
From the themed collection: Hydrogel properties and applications
Paper

3D cell printing of islet-laden pancreatic tissue-derived extracellular matrix bioink constructs for enhancing pancreatic functions

3D cell printing using pdECM bioink can recapitulate pancreatic tissue specific microenvironmental niche that can induce higher insulins production by islets.

Graphical abstract: 3D cell printing of islet-laden pancreatic tissue-derived extracellular matrix bioink constructs for enhancing pancreatic functions
From the themed collection: Hydrogel properties and applications
Paper

Effect of gelatin source and photoinitiator type on chondrocyte redifferentiation in gelatin methacryloyl-based tissue-engineered cartilage constructs

This work investigates neocartilage formation in bovine and porcine gelatin methacryloyl-based hydrogels photocrosslinked using ultraviolet or visible light photoinitiator systems.

Graphical abstract: Effect of gelatin source and photoinitiator type on chondrocyte redifferentiation in gelatin methacryloyl-based tissue-engineered cartilage constructs
From the themed collection: Hydrogel properties and applications
Paper

Tailoring supramolecular guest–host hydrogel viscoelasticity with covalent fibrinogen double networks

Supramolecular chemistry has enabled the design of tunable biomaterials that mimic the dynamic and viscoelastic characteristics of the extracellular matrix.

Graphical abstract: Tailoring supramolecular guest–host hydrogel viscoelasticity with covalent fibrinogen double networks
From the themed collection: Hydrogel properties and applications
Paper

A DOPA-functionalized chondroitin sulfate-based adhesive hydrogel as a promising multi-functional bioadhesive

A novel DOPA-functionalized chondroitin sulfate-based (CSD) bioadhesive hydrogel with excellent functionality and biocompatibility for internal medical applications.

Graphical abstract: A DOPA-functionalized chondroitin sulfate-based adhesive hydrogel as a promising multi-functional bioadhesive
From the themed collection: Hydrogel properties and applications
Open Access Paper

Bioinspired reversible hydrogel adhesives for wet and underwater surfaces

A hydrogel-based wet adhesive with bioinspired microstructures can exhibit strong and reversible adhesion to wet and underwater surfaces.

Graphical abstract: Bioinspired reversible hydrogel adhesives for wet and underwater surfaces
From the themed collection: Hydrogel properties and applications
Paper

Stretchy and strong polyurethane–urea supramolecular (PUUS) hydrogels with various stimulus-responsive behaviours: the effect of chain-extenders

This paper provides an easy synthetic strategy combined with straightforward tailoring of the physical properties and functionalities, such that optimal performance can be targeted for various applications of strong and tough supramolecular hydrogels.

Graphical abstract: Stretchy and strong polyurethane–urea supramolecular (PUUS) hydrogels with various stimulus-responsive behaviours: the effect of chain-extenders
From the themed collection: Hydrogel properties and applications
Paper

Conductive regenerated silk-fibroin-based hydrogels with integrated high mechanical performances

Strong and tough RSF-based hydrogels that could be used as a strain sensor, a touch screen pen and an electronic skin were developed.

Graphical abstract: Conductive regenerated silk-fibroin-based hydrogels with integrated high mechanical performances
From the themed collection: Hydrogel properties and applications
Paper

Mussel-inspired dopamine oligomer intercalated tough and resilient gelatin methacryloyl (GelMA) hydrogels for cartilage regeneration

Gelatin methacryloyl (GelMA) hydrogels are widely used for tissue regeneration.

Graphical abstract: Mussel-inspired dopamine oligomer intercalated tough and resilient gelatin methacryloyl (GelMA) hydrogels for cartilage regeneration
From the themed collection: Hydrogel properties and applications
Paper

Manipulating the mechanical properties of biomimetic hydrogels with multivalent host–guest interactions

Biomimetic hydrogels with multivalent host–guest interactions as reversible crosslinks provide not only energy storage capacity, but also energy dissipation capacity to the dually crosslinked networks.

Graphical abstract: Manipulating the mechanical properties of biomimetic hydrogels with multivalent host–guest interactions
From the themed collection: Hydrogel properties and applications
21 items

About this collection

Guest edited by Jun Fu (Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences) and Marc in het Panhuis (University of Wollongong).

This themed issue of Journal of Materials Chemistry B focuses on the latest progress in the field of polymer-based hydrogels, such as tough hydrogels, multifunctional hydrogels, responsive hydrogels, self-healing hydrogels, and smart hydrogel devices.

Polymer-based hydrogels have attracted increasing research interest for their wide range of chemical structures and excellent physical properties that have resulted in the suitability of these materials for applications in the fields of biosensors, soft actuators, artificial muscles, and biomedical engineering. Recently, significant research efforts have been devoted to tough hydrogels with non-covalent or supramolecular energy dissipation mechanisms, smart hydrogels comprised of functional moieties, and devices delicately fabricated from tough and smart hydrogels. However, practical applications dictate the necessity of the realisation of hydrogels with outstanding toughness, strength, self-healing, and fatigue resistance.


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