Interdependency of local composition and shape of the bilayer
makes the vesicle both self-regulating and self-optimising.
第七页,共72页。
Diractin®
Diractin® contains a particularly potent, well-established non-
多价皂——硬脂酸/油酸钙、镁、锌、铝盐
特点:降低油相表面张力较强,W/O
不适于酸碱药物
第十七页,共72页。
2. 脂肪醇硫酸(酯)钠类 十二烷基硫酸钠(sodium dodecyl sulfate, SDS) 月桂醇硫酸钠(Sodium Laurylsulfate, SLS)
特点:乳化性较强
用于:调节HLB(hydrophile-lipophile balance)
steroidal anti-inflammatory drug in a Transfersome® based semisolid, creamy suspension in a water base.
In June 2007, SwissMedic approved use of 100 mg ketoprofen in Diractin® for the treatment of inflammation and pain related to osteoarthritis.
• 将药物粉碎过筛,加入少量基质研磨混合,用递加法
(geometric method)加入其余基质,研匀即得. • 适用于不溶于基质、热敏性药物.
• 常用工具是乳钵、软膏板及软膏刀,大量制备用滚筒研