Cell-hydrogel Delivery
Cell-hydrogel Delivery - Related Videos
09:39
Constructing a Collagen Hydrogel for the Delivery of Stem Cell-loaded Chitosan Microspheres
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Cited by 6 •
2012
A major hurdle in current stem cell therapies is determining the most effective method to deliver these cells to host tissues. Here, we describe a chitosan-based delivery method that is efficient and simple in approach, while allowing adipose-derived stem cells to maintain their multipotency.
08:33
Hydrogel Synthesis
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2023
Source: Amber N. Barron, Ashlea Patterson, and Taylor D. Sparks, Department of Materials Science and Engineering, The University of Utah, Salt Lake City, UT Hydrogels are a versatile class of cross-linked polymers produced through relatively simple procedures and with generally inexpensive materials. They can be formed from solution and involve a polymer backbone formed from monomer reagents, an initiator which makes the polymer reactive and a crosslinking species which binds the polymer chains...
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.
03:39
Immunostaining of Cells Encapsulated in a 3D Hydrogel System
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2025
This video demonstrates a technique for immunostaining cells encapsulated in a 3D hydrogel. The hydrogel culture containing neural progenitor cells is fixed, permeabilized, and treated with a blocking solution to prevent non-specific immunostaining. A primary antibody cocktail is added to bind specific proteins, followed by fluorescently labeled secondary antibodies and a nuclear stain. The sample is then mounted on a slide and observed under a confocal microscope.
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...
FAQs
The crosslinked mesh controls the local movement of water, nutrients, oxygen, signaling molecules, and cells. This makes delivery more than simple placement: the hydrogel establishes a spatially organized environment in which transport and cell movement can be regulated. Those properties help determine whether cells remain viable and retain functional activity at the target site.
Material composition and crosslinking conditions provide the main design variables for adjusting stiffness, degradation, and release behavior. By changing these variables, researchers can create a carrier with a more controlled physical and biological environment rather than relying on an uncontrolled cell suspension. This tunability helps align delivery designs with tissue-engineering and therapeutic goals.
Cell movement and signaling are governed partly by the mesh surrounding them. Because the network can regulate both movement and signaling molecules, it can influence how cells interact with their local environment after placement. This is particularly relevant when the goal is to study cell-matrix interactions or maintain organized biological behavior within an engineered tissue.
The cells are either encapsulated within the hydrogel or embedded throughout it, and the resulting cell-containing construct is transported to a selected target site. During design, researchers adjust composition and crosslinking conditions to control mesh properties, then evaluate whether the environment supports cell survival and function. This workflow links fabrication choices directly to biological performance.
Researchers may choose this approach when they need improved cell retention, localized delivery, or a controllable microenvironment. Its applications include tissue engineering, regenerative medicine, and localized cell-based therapies. The hydrogel also offers spatial and biological control, making it useful when the position and surrounding conditions of cells are important to the intended outcome.
Researchers can assess whether the delivered cells survive and maintain function within the engineered environment. They can also examine cell retention, regulated movement, interactions with the surrounding matrix, and the hydrogel's release behavior. These observations help connect material properties with biological performance and support the design of engineered tissues with greater spatial control.
The method links polymer-network design with cellular behavior, allowing researchers to investigate how a material microenvironment affects living cells. It provides a platform for studying cell-matrix interactions while also supporting engineered tissue development and localized therapies. This combination of material tunability, cell support, and spatial control makes it especially relevant to bioengineering.