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US 2026/0132273 A1Published application
Polycationic polysaccharide and application thereof
AssigneeNanjing University
InventorLei DONG
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Abstract
A polycationic polysaccharide and an application thereof. Specifically, the polycationic polysaccharide consists of a polysaccharide and a polyamine compound, and is a positively charged polycationic polysaccharide obtained by reacting a polysaccharide with an amine-containing or polyamine compound. The polycationic polysaccharide is applied in a biomedical functional material of an antibacterial biofilm, a biomedical device, and an antibacterial functional material.
Claims12
Use of a polycationic polysaccharide in the manufacture of an antibacterial material, wherein
- the polycationic polysaccharide is a positively charged polycationic polysaccharide obtained by a reaction between a polysaccharide molecule and a polyamine compound,
- the polysaccharide molecule has a structure represented by the following formula 1:
- in the formula 1, R1 to R5 are each independently selected from the group consisting of a protected or unprotected hydroxyl group, a protected or unprotected amino group, and a sugar residue connected by a glycosidic bond wherein the sugar residue has a structure represented by the formula 1,
- the polyamine compound has a molecular weight less than 500 Daltons, and has a structure represented by the following formula 2:
- in the formula 2, R6 is a hydrogen atom or a structure represented by the following formula 3, and R7 is a protected or unprotected amino group, and
- in the formula 3, R7 is a protected or unprotected amino group, and R8 is a hydrogen atom or another structure represented by the formula 3.
3 more elements
Dependencies are inferred from the claim text.