Chitosan Microgel Injection
Chitosan Microgel Injection - Related Videos
08:05
Preparation of Chitosan-based Injectable Hydrogels and Its Application in 3D Cell Culture
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Cited by 13 •
2017
Here we describe a facile preparation of chitosan-based injectable hydrogels using dynamic imine chemistry. Methods to adjust the hydrogel’s mechanical strength and its application in 3D cell culture are presented.
05:26
Fabrication of Size-Controlled and Emulsion-Free Chitosan-Genipin Microgels for Tissue Engineering Applications
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Cited by 9 •
2022
The present protocol describes a non-emulsion-based method for the fabrication of chitosan-genipin microgels. The size of these microgels can be precisely controlled, and they can display pH-dependent swelling, degrade in vivo, and be loaded with therapeutic molecules that release over time in a sustained manner, making them highly relevant for tissue engineering applications.
11:05
Capillary Electrophoresis to Monitor Peptide Grafting onto Chitosan Films in Real Time
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Cited by 1 •
2016
Free solution capillary electrophoresis is a fast, cheap and robust analytical method that enables the quantitative monitoring of chemical reactions in real time. Its utility for rapid, convenient and precise analysis is demonstrated here through analysis of covalent peptide grafting onto chitosan films for improved cell adhesion.
11:34
Controlled Synthesis and Fluorescence Tracking of Highly Uniform Poly(N-isopropylacrylamide) Microgels
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Cited by 5 •
2016
Non-stirred precipitation polymerization provides a rapid, reproducible prototyping approach to the synthesis of stimuli-sensitive poly(N-isopropylacrylamide) microgels of narrow size distribution. In this protocol synthesis, light scattering characterization and single particle fluorescence tracking of these microgels in a wide-field microscopy setup are demonstrated.
09:11
Alternating Magnetic Field-Responsive Hybrid Gelatin Microgels for Controlled Drug Release
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Cited by 10 •
2016
We present a facile method to fabricate a biodegradable gelatin-based drug release platform that is magneto-thermally responsive. This was achieved by incorporating superparamagnetic iron oxide nanoparticles and poly(N-isopropylacrylamide-co-acrylamide) within a spherical gelatin micro-network crosslinked by genipin, in conjunction with an alternating magnetic field application system.
FAQs
Crosslinking determines how chitosan microgels behave after administration. Physical or chemical links join chitosan chains into hydrated, porous networks, while the type and extent of linking can influence network structure, degradation behavior, and treatment duration. These properties help researchers match the injectable material to local drug delivery or temporary tissue-support needs.
Small particle size and deformability address two practical demands of injection. The microgels must pass through a syringe while also adapting to the contours of an irregular target space. Their ability to deform and conform can support more localized filling, which is relevant when researchers aim to distribute treatment or create temporary support within a confined site.
Composition, crosslinking, and degradation behavior collectively shape local treatment. Researchers can adjust these features to affect how microgels interact with surrounding tissue, how long the material remains present, and how treatment is released at the target site. This tunability supports designs intended for controlled delivery, temporary scaffolding, or both within a single biomaterial system.
Development begins by selecting a chitosan-based microgel composition and establishing physical or chemical crosslinks that create the desired porous network. Researchers then consider whether the particles will encapsulate a drug, how they will be delivered to the target site, and how long local treatment or tissue support should persist. The resulting formulation is evaluated for its intended medical use.
Medicine researchers may investigate this approach when treatment should remain localized rather than rely solely on broader delivery. Potential uses supported by the concept include local drug release, wound-healing research, and regenerative applications requiring temporary tissue support. The minimally invasive administration and ability to fill irregular spaces make the platform relevant to targeted biomaterial studies.
Studies can evaluate whether the microgels deliver treatment locally, maintain release over a selected duration, and provide a temporary scaffold at the target site. Researchers may also examine degradation behavior and biological interactions with surrounding tissue. Together, these outcomes indicate whether a formulation is suitable for controlled delivery, wound repair, or regenerative biomaterials research.