Hydrogel Scaffold
Hydrogel Scaffold - Related Videos
12:37
3D Hydrogel Scaffolds for Articular Chondrocyte Culture and Cartilage Generation
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Cited by 38 •
2015
Cartilage repair represents an unmet medical challenge and cell-based approaches to engineer human articular cartilage are a promising solution. Here, we describe three-dimensional (3D) biomimetic hydrogels as an ideal tool for the expansion and maturation of human articular chondrocytes.
03:49
An In Vitro Method to Generate Astrocyte Scaffolds within Hydrogel Micro-columns
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2025
This video demonstrates a method to generate three-dimensional astrocyte scaffolds within hydrogel micro-columns. The inside of the microcolumns are coated with collagen. Astrocytes are introduced, which adhere to collagen and, with further incubation, self-assemble into a three-dimensional scaffold.
07:25
Collagen Hydrogels
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2023
Collagen is another widely used biomaterial that has found popularity in commercial applications, such as photography. Collagen has more recently been used in tissue engineering applications, by creating hydrogels that provide structure to engineered tissue. This video introduces collagen as a biomaterial, demonstrates how it is harvested from porcine skin, and shows how the material is used to create a hydrogel for tissue engineering applications. Finally, several applications of the material...
09:41
Injection of Hydrogel Biomaterial Scaffolds to The Brain After Stroke
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Cited by 9 •
2020
Stroke is a global issue with minimal treatment options and no current clinical therapy for regenerating the lost brain tissue. Here we describe methods for creating precise photothrombotic stroke in the motor cortex of rodents and subsequent injection of hydrogel biomaterials to study their effects on tissue regeneration after stroke.
06:36
3D Printed Porous Cellulose Nanocomposite Hydrogel Scaffolds
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Cited by 23 •
2019
The three critical steps of this protocol are i) developing the right composition and consistency of the cellulose hydrogel ink, ii) 3D printing of scaffolds into various pore structures with good shape fidelity and dimensions and iii) demonstration of the mechanical properties in simulated body conditions for cartilage regeneration.
FAQs
Crosslinking determines how tightly the polymer chains are connected, which helps set the scaffold’s mechanical strength and porous structure. That structure controls how much physiological fluid the material can absorb and how readily nutrients or signaling molecules move through it. Adjusting crosslinking therefore links molecular design to the physical environment experienced by embedded or surrounding cells.
Stiffness, porosity, and bioactive cues provide distinct design controls over cell behavior. Together, these variables can influence cell adhesion, migration, and differentiation by changing the scaffold’s physical and biochemical environment. Considering them as a combined set allows researchers to tune a construct toward a desired tissue-forming response rather than treating the material as passive support.
Degradation is an adjustable scaffold property that affects how long the structure remains available during tissue formation. Designing degradation alongside mechanical strength and molecular transport helps align scaffold persistence with the intended use. This balance matters when a construct must support cells or biomolecules during tissue development or serve as a platform for controlled delivery.
In organoid culture and tissue engineering, hydrogel scaffolds provide cells with a hydrated, porous environment that supports access to transported nutrients or signaling molecules. Researchers can adjust composition and mechanical properties to influence cell adhesion, migration, and differentiation. These capabilities make the scaffolds configurable environments for studying tissue formation and supporting regenerative designs.
Fabrication advances and bioprinting expand hydrogel scaffold design by enabling researchers to create more structured, tissue-mimicking constructs. This is important when a project requires control over architecture in addition to composition, stiffness, porosity, or bioactive cues. Such designs can support bioengineering studies that aim to reproduce aspects of tissue organization or guide tissue formation.
For controlled drug delivery, the hydrogel network can absorb physiological fluid and provide a setting through which biomolecules or signaling molecules are transported. Researchers can tune composition, porosity, degradation, and related properties to adjust scaffold behavior for the intended delivery context. This application extends hydrogel scaffolds beyond cell support to biomolecule-focused bioengineering uses.