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Rapid gelling, self-healing, and fluorescence-responsive chitosan hydrogels formed by dynamic covalent crosslinking
Debranched starch Chitosan Hydrogels Schiff base Microgels
2024/1/23
Chitosan hydrogels fabricated by covalent crosslinking exhibit tough mechanical properties and chemical stability. In this paper, debranched starch (DBS) is oxidized to dialdehyde debranched starch (D...
Doubly Dynamic Hydrogel Formed by Combining Boronate Ester and Acylhydrazone Bonds
hydrogel dynamic covalent bond diblock copolymers self-healing
2024/1/19
The incorporation of double dynamic bonds into hydrogels provides an effective strategy to engineer their performance on demand. Herein, novel hydrogels were PREPARED by combining two kinetically dist...
Advances in hydrogels based on dynamic covalent bonding and prospects for its biomedical application
Dynamic covalent bondAdvanced techniques Preparation Application
2024/1/19
In the past few decades, hydrogels based on dynamic covalent bonding (DCB) have attracted extensive attention and exploration with the rapid development of polymer science and life science disciplines...
Aminoglycoside hydrogels based on dynamic covalent bonds with pH sensitivity, biocompatibility, self-healing, and antibacterial ability
aminoglycosides dynamic covalent bonds hydrogels pH sensitivity sustained antibacterial
2024/1/11
Despite aminoglycosides (AGs) have superior antibacterial ability, all approved AGs by FDA are associated with adverse effects such as ototoxicity and nephrotoxicity. To solve these problems, AGs hydr...
Growing Prospects of Dynamic Covalent Chemistry in Delivery Applications
Dynamic Covalent Chemistry delivery Growing Prospects
2024/1/11
Delivery remains a major obstacle restricting the potential action of small molecular drugs as well as novel biologics which cannot readily enter cells without the help of a vector. A successful activ...
Dynamic covalent bonds in self-healing, shape memory, and controllable stiffness hydrogels
Thiol-thioester exchange double-network hydrogels chitosan-based hydrogels on-demand dissolution acid-based hydrogels
2024/1/11
Emerging technologies are increasingly reliant on materials that deliver multiple functionality. For example, hydrogels using dynamic covalent crosslinks have proven well-suited for the preparation of...
Fully Bio-Based Polyhydroxyurethanes with a Dynamic Network from a Terpene Derivative and Cyclic Carbonate Functional Soybean Oil
fully bio-based non-isocyanate?polyurethanes dynamic covalent bond exchange self-healing recyclability shape memory
2023/12/18
Polyhydroxyurethanes (PHUs), polyurethanes with excellent properties, are cured without poisonous isocyanate. The carbamate groups in the structure can undergo bond exchange in the presence of amino g...
Biobased Dynamic Polymer Networks with Rapid Stress Relaxation
dynamic polymer networks epoxidized soybean oil hydroxyl-functionalized silica stress relaxation mechanical properties
2023/12/11
Dynamic polymer networks (DPNs) from epoxidized soybean oil (ESO) that incorporate dual dynamic exchange reactions (dual-DERs) and hydroxyl-functionalized silica (HO-SiO2) reinforcement are shown to e...
“Solid-Liquid” Vitrimers Based on Dynamic Boronic Ester Networks
Solid-liquid Dynamic covalent bond Boronic ester bond Strain-rate dependent High stretchability
2023/12/8
The “solid-liquid” behavior of vitrimers have not been systematically investigated. Herein, a series of “solid-liquid” vitrimers bearing varying contents of dynamic boronic ester bonds were synthesize...
Bio-based vitrimer-like polyurethane based on dynamic imine bond with high-strength, reprocessability, rapid-degradability and antibacterial ability
Bio-based polyurethane Vitrimer-like Imine bond Rapidly-degradable Antibacterial property
2023/12/8
Synthesis of vitrimer with dynamic?covalent bond?is a surprising solution to overcome the inherent limitations of traditional?thermosets. A bio-based vitrimer-like?polyurethane?formed by?castor oil,?v...
Rapid self-healing and self-adhesive chitosan-based hydrogels by host-guest interaction and dynamic covalent bond as flexible sensor
Conductive hydrogel Chitosan Poly(vinyl alcohol) Host-guest interactions Self-healing Self-adhesiveness Flexible strain sensor
2023/12/8
A sensor used to monitor tissue deformation requires good flexibility, stretchability, self-adhesion, cyto-compatibility, and?antibacterial property. Here, we prepared hydrogel sensor based on?O-carbo...
Dynamic nanocellulose hydrogels: Recent advancements and future outlook
Dynamic hydrogels Dynamic linkages Nanocellulose Self-healing Self-recovery Mechanical strength
2023/12/7
Nanocellulose?is of great interest in material science nowadays mainly because of its hydrophilic, renewable, biodegradable, and biocompatible nature, as well as its excellent mechanical strength and ...
Limitations of Diels-Alder Dynamic Covalent Networks as Thermal Conductivity Switches
thermal conductivity thermal switching dynamic covalent networks RAFT polymerization Diels-Alder cross-linking
2023/12/1
Creating polymers that exhibit a switchable thermal conductivity requires a fundamental understanding of how polymer structure and inter- and intramolecular interactions influence thermal transport. T...
Self-Healable and Super-Tough Double-Network Hydrogel Fibers from Dynamic Acylhydrazone Bonding and Supramolecular Interactions
hydrogel fiber iota carrageenan dynamic covalent bond double network self-healing
2023/11/30
Macroscopic hydrogel fibers are highly desirable for smart textiles, but the fabrication of self-healable and super-tough covalent/physical double-network hydrogels is rarely reported. Herein, copolym...
A Novel Polyvinyl Alcohol-Based Hydrogel with Ultra-Fast Self-Healing Ability and Excellent Stretchability Based on Multi Dynamic Covalent Bond Cross-Linking
dynamic covalent bonds hydrogels self-healing strain sensors
2023/11/30
A novel self-healing poly(vinyl alcohol) (PVA)-based hydrogel is developed by cross-linking PVA chains through multi dynamic covalent bonds by use of a small cross-linker composed by 4-formylphenylbor...