国家/地区 中国（2）
IPC部 A（2）
IPC大类 A61（2） B01（2）
IPC小类 A61K（2）
IPC A61K009/50（2）
发明人
公开年 2021（2）
申请年 2021（2） 
专利权人

Preparing nano-hydroxyapatite/graphene oxide/chitosan composite microsphere useful in e.g. field of targeted drug delivery, comprises e.g. mixing calcium source solution, phosphorus source solution, and graphene oxide, subjecting first mixture to hydrothermal reaction, filtering and drying.

ZHONG J, LI R, JIAN Y, YANG Y, DAI X, WU W, SHI X, YUAN Q

Extracting purple sweet potato anthocyanin useful for inhibiting Helicobacter pylori, comprises fermenting purple sweet potato slurry with immobilized cocci, dissolving beta-cyclodextrin and gum arabic, and adding calcium chloride solution.

ZHANG T, CAI S