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 ?-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.

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 ?-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.

Abstract: An immunostimulatory lipoplex is provided. The immunostimulatory lipoplex includes a liposome and at least one immunostimulatory nucleic acid drug, and the immunostimulatory nucleic acid drug is complexed with the liposome The liposome includes 40 to 85 mol % of cationic lipid, 10 to 50 mol % of cholesterol, and 0.001 to 20 mol % of modified polyethylene glycol lipid.

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 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 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 composition used for skin whitening includes: an effective amount of spermidine derivative, wherein a structure of the spermidine derivative is shown as Structure (I): where R1-R5 individually includes H, OH, or OCH3 and at least one of R1-R5 is OH, and the spermidine derivative has tyrosinase inhibition activity; and a cosmetically or pharmaceutically acceptable vehicle, wherein the composition used for skin whitening whitens skin.

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 composition used for skin whitening includes: an effective amount of spermidine derivative, wherein a structure of the spermidine derivative is shown as Structure (I): where R1-R5 individually includes H, OH, or OCH3 and at least one of R1-R5 is OH, and the spermidine derivative has tyrosinase inhibition activity; and a cosmetically or pharmaceutically acceptable vehicle, wherein the composition used for skin whitening whitens skin.

Abstract: A huperzine A compound is provided. The huperzine A compound has following formula: wherein X comprises O or S, Y comprises —O—, —S—, —CH(R4)—, —C(R4)(R5)—, —C(R4)?C(R5)—, —C?C—, —NH— or —N(R4)—, n is 0, 1 or 2, R3 is C(?X)—(Y)n-R1 provided that R2 is H or R2 and R3 are combined to form ?CH—Ar, wherein R1, R4 and R5 independently comprise hydrogen, C1-C32 alkyl, C1-C32 alkenyl, C1-C32 alkynyl, C1-C32 aryl or C1-C32 heteroaryl, in which alkyl, alkenyl, alkynyl, aryl or heteroaryl with one or more substituents comprising halogen, hydroxyl, alkoxy, aryloxyl, amino, alkylamino, arylamino, dialkylamino, diarylamino, imino, alkylimino, arylimino, acylamido, diacylamido, acylimido, cyano, nitro, mercapto, carbamido, carbamoyl, carboxyl, thioureido, thiocyanato, sulfonamido, thio, sulfonyl or sulfinyl, and Ar comprises aryl or heteroaryl.