Abstract:
The disclosure provides a biomedical composition, including: a hyaluronic acid; a modified histidine; and a polymer or C4-C20 alkane, wherein the modified histidine and the polymer or C4-C20 alkane are grafted to at least one primary hydroxyl group of the hyaluronic acid to allow the hyaluronic acid to form a hyaluronic acid derivative, wherein a graft ratio of the modified histidine is about 1-100%, and a graft ratio of the polymer or C4-C20 alkane is about 0-40%.
Abstract:
The disclosure provides a pharmaceutical composition. The pharmaceutical composition includes a chitosan with palmitoyl groups and an active agent. According to another embodiment, the pharmaceutical composition can further include a gelling accelerating agent. According to an embodiment of the disclosure, the active agent of the disclosure can be administered in the form of a nano-drug, liposome, micelle, or microparticle.
Abstract:
The disclosure is directed to a monohydrate crystalline form of 3-(5-(4-(3-fluoropropyl)piperazin-1-yl)benzimidazol-2-yl)-1-azaazulen-2-one, possessing diffraction peaks of about 12.9°, 15.9°, 17.9°, 21.2°, 22.9°, 23.5° and 24.5°. Its preparation method and pharmaceutical composition thereof are also provided.
Abstract:
A compound represented by Formula (I), a pharmaceutically acceptable salt or ester, hydrate, solvate or crystalline form thereof is provided: The compound represented by Formula (I) is a β-amino acid derivative, and in Formula (I) X is a single bond or O; Y is NH or C═O; Z is C═O, C═S, NH, W is C or N; A is a single bond, O, OH, OCH2, a heterocycle or N3; R1 is H or F; R2 is H, F, OH, CF3, CH2OH, CHO or R3 is H; n is 0 or 1; and m is 0 or 1.