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Culturing cells: Hydrogel-coated wells have been used for cell culture. [74] Biosensors: Hydrogels that are responsive to specific molecules, [75] such as glucose or antigens, can be used as biosensors, as well as in DDS. [76] Cell carrier: Injectable hydrogels can be used to carry drugs or cells for applications in tissue regeneration or 3D ...
Specifically, hydrogels can be designed to release drugs or other agents in response to physical characteristics of the environment like temperature and pH. [12] The responsiveness of hydrogels is a result of their molecular structure and polymer networks. [12] Hydrogel nanoparticles have a promising future in the drug delivery field.
Self-healing hydrogels are a specialized type of polymer hydrogel.A hydrogel is a macromolecular polymer gel constructed of a network of crosslinked polymer chains. Hydrogels are synthesized from hydrophilic monomers by either chain or step growth, along with a functional crosslinker to promote network formation.
Hydrogels have a high water content, [7] with some hydrogels containing up to 90% water. [5] Active drugs and other substances dispersed as colloids or dissolved in water can be easily taken up by hydrogels. [5] Hydrogels are biocompatible. [5] [7] They also swell to a greater volume than organogels when in contact with water and other natural ...
A nanogel is a polymer-based, crosslinked hydrogel particle on the sub-micron scale. [1] [2] [3] These complex networks of polymers present a unique opportunity in the field of drug delivery at the intersection of nanoparticles and hydrogel synthesis.
NFC hydrogel in 3D cell culture offers a platform for various biomedical applications. [7] Different cell lines and cell types have been cultured in NFC, including e.g. differentiation of human hepatic cells to functional organotypic cultures, [8] and proliferation of human pluripotent stem cells. [4]
Hydrogel nanoparticles made of N-isopropyl acrylamide hydrogel core shell ... is located in front of a solar cell. ... to improved dn/dT characteristics of the ...
Hydrogel fiber is a hydrogel made into a fibrous state, where its width is significantly smaller than its length. The hydrogel's specific surface area at fibrous form is larger than that of the bulk hydrogel, and its mechanical properties also changed accordingly. As a result of these changes, hydrogel fiber has a faster matter exchange rate ...