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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...
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...
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...
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...
Influence of HLB Value of Emulsifier on the Properties of Microcapsules and Self-Healing Properties of Waterborne Coatings
self-healing microcapsules waterborne coatings HLB value
2023/12/1
In this paper, self-healing microcapsules were prepared by using melamine-formaldehyde (MF) resin as the wall material and shellac as the core material repairing agent. In order to explore the effect ...
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...
Wound-healing biomaterials activate immune system for stronger skin（图）
Wound-healing biomaterials activate immune system stronger skin
2020/11/20
Researchers at Duke University and the University of California, Los Angeles have developed a biomaterial that significantly reduces scar formation after wounding, leading to more effective ...
Fabrication of cellulose nanocrystal reinforced nanocomposite hydrogel with self-healing properties
Nanocomposite hydrogels Quaternary ammonium xylan Polyvinyl alcohol Cellulose nanocrystals Self-healing property
2024/2/4
High strength and self-healing properties of hydrogels are of great interest in tissue engineering and biomedical fields. In this paper, nanocomposite hydrogels were prepared by freeze-thaw cycle meth...
An injectable self-healing hydrogel-cellulose nanocrystals conjugate with excellent mechanical strength and good biocompatibility
Cellulose nanocrystals (CNCs) Graft Nanocomposite hydrogel Reversible covalent bond Self-healing
2024/2/5
In this work, a novel strategy for the construction of injectable self-healing nanocomposite (NC) hydrogels dominated by reversible boronic ester bonds was demonstrated. Specifically, NC hydrogels wer...
Stretchable wireless sensor could monitor healing of cerebral aneurysms（图）
Stretchable wireless sensor monitor healing cerebral aneurysms
2019/10/18
A wireless sensor small enough to be implanted in the blood vessels of the human brain could help clinicians evaluate the healing of aneurysms -- bulges that can cause death or serious injury if they ...
Smart bandage could promote better,faster healing（图）
Smart bandage promote better faster healing
2017/10/25
The bandage consists of electrically conductive fibers coated in a gel that can be individually loaded with infection-fighting antibiotics, tissue-regenerating growth factors, painkillers or other med...
Cell signals that trigger wound healing are surprisingly complex（图）
Cell signals wound healing surprisingly complex
2017/10/25
In a sharp and pointy world, wound healing is a critical and marvelous process.Despite a tremendous amount of scientific study, many outstanding mysteries still surround the way in which cells in livi...
Harvard researchers develop tough,self-healing rubber（图）
Harvard researchers tough self-healing rubber
2017/9/5
I magine a tire that could heal after being punctured or a rubber band that never snapped.Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed ...
Sticky when wet:strong adhesive for wound healing（图）
Sticky wet strong adhesive wound healing
2017/9/1
Anyone who has ever tried to put on a Band-Aid® when their skin is damp knows that it can be frustrating. Wet skin isn’t the only challenge for medical adhesives – the human body is full of blood...
Real-time scans of self-healing nanoparticles show their energy storage potential
Real-time scans self-healing nanoparticles their energy storage potential
2017/2/16
In a lab 18 feet below the Engineering Quad of Stanford University, researchers in the Dionne lab camped out with one of the most advanced microscopes in the world to capture an unimaginably...