Hydrogel Polymerization
Hydrogel Polymerization - Related Videos
15:33
Microwave-assisted Functionalization of Poly(ethylene glycol) and On-resin Peptides for Use in Chain Polymerizations and Hydrogel Formation
0 Views •
Cited by 32 •
2013
This video will illustrate a rapid, efficient method to methacrylate poly(ethylene glycol), enabling chain polymerizations and hydrogel synthesis. It will demonstrate how to similarly introduce methacrylamide functionalities into peptides, detail common analytical methods to assess functionalization efficiency, provide suggestions for troubleshooting and advanced modifications, and demonstrate typical hydrogel characterization techniques.
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...
08:33
Hydrogel Synthesis
0 Views •
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...
06:45
Polymerization
0 Views •
2023
Source: Vy M. Dong and Jan Riedel, Department of Chemistry, University of California, Irvine, CA Polymers are made from macromolecules, which are composed of repeating units (the so called monomeric units). In our modern world, polymers play an important role. One of the first important polymers was nylon, which is a polyamide. It found widespread application in tooth brushes and stockings.
10:29
Photochemical Initiation Of Radical Polymerization Reactions
0 Views •
2023
Source: David C. Powers, Tamara M. Powers, Texas A&M In this video, we will carry out the photochemically initiated polymerization of styrene to generate polystyrene, which is an important commodity plastic. We will learn the fundamentals of photochemistry and use simple photochemistry to initiate radical polymerization reactions. Specifically, in this module we will examine the photochemistry of benzoyl peroxide and its role as a photo-initiator of styrene polymerization reactions. In the...
FAQs
These reaction modes create polymer networks through different routes. Chain-growth reactions extend reactive polymer chains, whereas step-growth reactions link monomers or macromers progressively as reactive groups meet. The selected route contributes to how covalent crosslinks form and therefore affects the resulting gel’s structure, strength, swelling behavior, and suitability for biological applications.
Crosslink density determines how tightly the polymer network is connected. Increasing or decreasing it changes the balance between structural strength, water absorption, and porosity. This balance is especially important in biology because a matrix must retain its form while still permitting appropriate water content and biomolecule transport for applications such as cell culture or tissue engineering.
Polymer composition, crosslink density, and reaction conditions are central design variables. Together, they influence the gel’s strength, swelling, porosity, and controlled biological interactions. Researchers adjust these factors to match the intended function, whether the material must support cells, transport biomolecules, respond in a biosensor, or release a therapeutic compound.
Researchers select water-compatible monomers or macromers and then adjust polymer composition, crosslink density, and reaction conditions to obtain the required material behavior. A formulation intended for cell encapsulation may prioritize a suitable balance of structure and water retention, while another may emphasize biomolecule transport or controlled interactions with biological components.
Hydrogel polymerization supports several biological technologies, including cell culture matrices, drug delivery systems, biosensors, and tissue-engineering scaffolds. These applications rely on different combinations of network strength, swelling, porosity, and biological interaction. By controlling the polymer network, researchers can develop materials suited to cellular environments, biomolecule movement, sensing, or engineered tissue support.
The polymer network’s strength, swelling capacity, and porosity determine how the material accommodates encapsulated cells and allows biomolecules to move through it. Adjusting crosslink density and composition helps researchers balance structural stability with transport requirements. This control supports the design of biological matrices and delivery systems that need defined physical and interaction properties.