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Chitosan / ˈkaɪtəsæn / is a linear polysaccharide composed of randomly distributed β- (1→4)-linked D -glucosamine (deacetylated unit) and N -acetyl- D -glucosamine (acetylated unit). It is made by treating the chitin shells of shrimp and other crustaceans with an alkaline substance, such as sodium hydroxide. [1][2]
Chitosan -poly (acrylic acid) is a composite that has been increasingly used to create chitosan-poly (acrylic acid) nanoparticles. [1][2][3] More recently, various composite forms have come out with poly (acrylic acid) being synthesized with chitosan which is often used in a variety of drug delivery processes.
Chitin (C 8 H 13 O 5 N) n (/ ˈkaɪtɪn / KY-tin) is a long-chain polymer of N -acetylglucosamine, an amide derivative of glucose. Chitin is the second most abundant polysaccharide in nature (behind only cellulose); an estimated 1 billion tons of chitin are produced each year in the biosphere. [1] It is a primary component of cell walls in ...
An antihemorrhagic (British English: antihaemorrhagic) agent is a substance that promotes hemostasis (stops bleeding). [1] It may also be known as a hemostatic (also spelled haemostatic) agent. [2] Antihemorrhagic agents used in medicine have various mechanisms of action: Systemic drugs work by inhibiting fibrinolysis or promoting coagulation.
Chitosan is formed by alkaline N-deacetylation of chitin, which is the second most abundant natural polymer after cellulose. [14] Chitosan is a biodegradable polysaccharide that has been useful in many biomedical applications such as a chelating agent, drug carrier, membrane, and water treatment additive. [11]
Protein adsorption. Adsorption (not to be mistaken for absorption) is the accumulation and adhesion of molecules, atoms, ions, or larger particles to a surface, but without surface penetration occurring. The adsorption of larger biomolecules such as proteins is of high physiological relevance, and as such they adsorb with different mechanisms ...