Formula optimization of Docetaxel long-circulation liposomes by Box-Behnken design and response surface method Preparation and study in vitro of long-circulating nanoliposomes of curcumin Preparation of curcumin-loaded long-circulating liposomes and its pharmacokinetics in rats Preparation of novel gypenosides long-circulating liposomes consisted by sphingomyelin and β-sitosterol modified by PEG Preparation of curcumine-hydroxypropyl-β-cyclodextrin inclusion complex and its properties