Metal material/polypeptide/polysaccharide/compound/antibody/quantum dot/black phosphorus quantum dot modified hydrogel

Hydrogel materials have attracted much attention of researchers due to their wide application in the field of biomedicine.Among them, polypeptide hydrogels have unique advantages in the field of hydrogels due to their good biocompatibility, biofunctionality and biodegradability.

A method for preparing a polypeptide hydrogel, comprising: dissolving a polypeptide in a dispersion medium to form a polypeptide solution, and the polypeptide hydrogel can be formed after a few minutes;

Wherein, the polypeptide consists of n repeated xKEALKEy amino acid sequences, wherein n is an integer from 2 to 10, x is a hydrophobic amino acid, y is a hydrophilic amino acid, K is lysine, and E is glutamic acid, A is alanine, and L is leucine.

The polypeptide hydrogel is formed at a temperature of 20-40° C. and a pH of 4-8.As a further improvement to the above technical solution, the polypeptide hydrogel is formed at a temperature of 37° C. and a pH of 7.The polypeptide hydrogel of the present invention can be formed in a wide temperature and pH range, and has a wide application range.

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Ruixi YWX.2022.8.5