Therapeutic Gel Application
Therapeutic Gel Application - Related Videos
07:31
Two-Dimensional Gel Electrophoresis
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2023
Two-dimensional gel electrophoresis (2DGE) is a technique that can resolve thousands of biomolecules from a mixture. This technique involves two distinct separation methods that have been coupled together: isoelectric focusing (IEF) and sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE). This physically separates compounds across two axes of a gel by their isoelectric points (an electrochemical property) and their molecular weights. The procedure in this video covers the main...
06:30
Gel Purification
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2023
Gel purification is used to recover DNA fragments after electrophoretic separation. DNA recovery from an agarose gel includes three basic steps: binding, washing and eluting from a silica column. DNA is believed to bind to silica in the presence of high salt via a salt bridge. Following binding, DNA is washed of impurities and eluted under low salt conditions disrupting this interaction. This video goes through a step-by-step, generalized procedure for cutting out a band from the gel, gel...
09:30
The Synthesis of RGD-functionalized Hydrogels as a Tool for Therapeutic Applications
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Cited by 17 •
2016
We present a protocol for the synthesis of RGD-functionalized hydrogels as devices for cell and drug delivery. The procedure involves copper catalyzed alkyne-azide cycloaddition (CuAAC) between alkyne-modified polyacrylic acid (PAA) and a RGD-azide derivative. The hydrogels are formed using microwave-assisted polycondensation and their physicochemical properties are investigated.
09:22
DNA Gel Electrophoresis
0 Views •
2023
DNA gel electrophoresis is a technique used for the detection and separation of DNA molecules. An electric field is applied to a gel matrix comprised of agarose, and within the gel, charge particles will migrate and separate based on size. The negatively charged phosphates of the DNA backbone cause DNA fragments to move toward the anode - a positively charged electrode. The video explains the mechanism by which DNA fragments are resolved on an agarose gel, and it provides a step-by-step...
FAQs
The matrix holds the active agent within a polymeric or aqueous structure and releases it as the formulation interacts with tissue fluids. This interaction can influence how long the agent remains available at the target area and can support more consistent local exposure. The result is a delivery system suited to treatments where contact and release need to occur directly at accessible tissue.
Polymeric and aqueous components determine how the formulation holds, spreads, and interacts with the treatment area. A gel matrix must remain sufficiently organized to retain the therapeutic agent while also spreading across tissue. These material properties influence application consistency, contact with the target, and the way release occurs during interaction with tissue fluids.
A gel can spread across the target area and maintain contact without requiring direct handling of the tissue during treatment. Its matrix also supports moisture at the application site, which may be relevant in wound care. Together, spreading, moisture maintenance, and reduced manipulation can improve treatment consistency and patient comfort.
Localized delivery places the active treatment directly on an accessible target rather than relying on application to a broader area. Therapeutic gels can combine this local placement with regulated release, moisture maintenance, and consistent coverage. These features make them relevant when treatment needs to remain concentrated at skin, wound, or other accessible tissue.
The essential workflow is to position the formulation at the intended skin, wound, or accessible tissue site, spread it across the target area, and maintain sufficient contact for the treatment to act. The gel’s composition supports these steps by holding the active agent and promoting consistent coverage. Specific handling details depend on the intended medical use.
The polymeric or aqueous matrix, the ability to spread across tissue, and interaction with tissue fluids all influence performance after application. These features affect how well the formulation remains in contact with the target and how the active agent becomes available. Moisture maintenance and reduced direct handling can additionally shape comfort and treatment consistency.
Use of a therapeutic gel can support evaluation of localized treatment delivery, coverage of the target area, contact with tissue, and consistency of application. In medicine, these considerations are especially relevant to wound care and dermatology. The approach also highlights how formulation behavior, tissue interaction, and patient comfort contribute to the practical value of a treatment.