Collagen Based Semi-solid Assay
Collagen Based Semi-solid Assay - Related Videos
07:25
Collagen Hydrogels
0 Views •
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...
10:45
Organotypic Collagen I Assay: A Malleable Platform to Assess Cell Behaviour in a 3-Dimensional Context
0 Views •
Cited by 105 •
2011
A method is described for the preparation of a 3-dimensional matrix consisting of collagen type I and primary human fibroblasts. This organotypic gel serves as a useful substrate to assess invasive cell migration because it mimics basic features of tissue stroma and is amenable to many forms of microscopy.
04:07
A Solid Phase Adherence Assay to Assess Biofilm Formation
0 Views •
2025
The video demonstrates a solid-phase adherence assay for assessing biofilm formation. In a multi-well plate, bacteria in bile salt-supplemented media adhere to solid surfaces, forming biofilms, which is confirmed by colorimetry through crystal violet staining and ethanol treatment.
08:24
Dissection and Culture of Mouse Dopaminergic and Striatal Explants in Three-Dimensional Collagen Matrix Assays
0 Views •
Cited by 13 •
2012
Explants from the midbrain dopamine system and striatum are used in a collagen matrix assay for the in vitro analysis of mesostriatal and striatonigral pathway development. In this assay axonal outgrowth and guidance can be manipulated and quantified. It can also be modified for assessing other regions or molecular cues.
02:37
Metallic Solids
0 Views •
2020
Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties. All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability. Many...
FAQs
Collagen polymerization creates a three-dimensional fibrillar scaffold that both supports neural cells and resists mechanical deformation. This combination gives extending processes a physical environment through which they can grow while remaining responsive to extracellular signals. Consequently, observed neurite or axonal behavior reflects interactions between cells and the matrix, not only soluble cues.
The matrix can be modified experimentally, allowing investigators to vary physical or biochemical features of the neural environment while observing cellular responses. Changes in those properties may alter growth, migration, or neurite extension, so the assay connects a measured cellular outcome with a defined extracellular setting. This makes it useful for testing neural responses to biomaterials or guidance cues.
Researchers can assess growth, migration, and neurite extension, including axonal growth in neural preparations. These readouts show whether cells move through the collagen environment, extend processes, or respond to an experimental modification. The resulting measurements help distinguish cellular responses associated with biomaterials or guidance cues and provide a basis for evaluating conditions relevant to nerve repair.
It places neural cells or tissue in an environment where structural support, mechanical resistance, and extracellular signaling can be considered together. That combination is valuable when studying neuronal responses to biomaterials or guidance cues, because the same platform links neural outgrowth behavior with properties of a surrounding tissue-like matrix. The approach therefore supports research connected to nerve repair strategies.
A basic workflow begins by embedding neural cells or tissue in collagen, then allowing the collagen to polymerize into its fibrillar gel structure. The preparation is maintained under controlled in vitro conditions, after which investigators evaluate growth, migration, or neurite extension. This sequence preserves a defined matrix context for comparing neural responses across experimental conditions.
Researchers can change the collagen-based environment and then examine how neural cells or tissue respond, rather than treating the matrix as a fixed background. Comparing growth, migration, or process extension across modified conditions can reveal whether physical or biochemical properties are associated with a particular neural outcome. These comparisons help connect engineered matrix features with responses relevant to biomaterials and guidance.