Search results
Results From The WOW.Com Content Network
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.
The properties of a hydrogel are highly dependent on the type and quantity of its crosslinks, making photopolymerization a popular choice for fine-tuning hydrogels. This technique has seen considerable use in cell and tissue engineering applications due to the ability to inject or mold a precursor solution loaded with cells into a wound site ...
For rubber and biological materials, more sophisticated models are necessary. Such materials may exhibit a non-linear stress–strain behaviour at modest strains, or are elastic up to huge strains. These complex non-linear stress–strain behaviours need to be accommodated by specifically tailored strain-energy density functions.
Superabsorbent polymer powder. A superabsorbent polymer (SAP) (also called slush powder) is a water-absorbing hydrophilic homopolymers or copolymers [1] that can absorb and retain extremely large amounts of a liquid relative to its own mass.
When you have adequate magnesium, you may feel calmer and have fewer physical symptoms of stress, making it easier to sleep.” Prebiotic soda, like the Olipop used in the original recipe, is ...
Hydrogels can be used as drug delivery vehicles, for transdermal application, ophthalmic drug delivery, [11] cancer treatment [12] or for wound dressing. [7] [13] As a type of water based formulation, hydrogels are generally less greasy and are easier to be removed than oil-based formulations like organogels. [6]
Alginate hydrogel is a common biomaterial for bio-fabrication of scaffolds and tissue regeneration. [ 18 ] Covalent bonding of thiol groups to alginate improves in-situ gelling and mucoadhesive properties; the thiolated polymer ( thiomer ) forms disulfide bonds within its polymeric network and with cysteine-rich subdomains of the mucus layer ...
Turkey at Thanksgiving dinner doesn’t inherently make you sleepy. Other factors like alcohol, carb-heavy side dishes, and large portion sizes are more likely the culprit behind feeling tired ...