摘要
目的 :研究8 -甲氧补骨脂素脂质体凝胶的皮肤渗透性。方法 :以凝胶与敏白灵酊为对照 ,将8 -甲氧补骨脂素脂质体凝胶应用于离体及在体大鼠皮肤 ,用反相高效液相色谱法测定接收介质、皮肤、血液及其它组织中8 -甲氧补骨脂素的含量。结果 :离体条件下 ,脂质体凝胶具有最小的透皮速率和最大的皮内滞留量 ;在体条件下 ,包封于脂质体中的药物在皮肤中滞留量分别是凝胶和酊剂的 (4 37±0 91)倍和 (3 36±0 58)倍。结论 :8 -甲氧补骨脂素脂质体凝胶具有显著的局部皮肤靶向性。
OBJECTIVE:To study the percutaneous permeability of methoxypsoralen liposomal gel METHODS:The preparations were applied on the rat skin in vitro and in vivo with common gel and Mingbailing tincture as control,and the drug concentrations in the receiver,skin,blood and other organs were determined by RP-HPLC RESULTS:In vitro experiment,liposomal gel showed the lowest percutaneous permeation rate and the highest retention in skin In vivo studies illuminated that the skin depositions of drug encapsulated in liposome was(4 37±0 91) and (3 36±0 58) times those of the common gel and tincture respectively CONCLUSION:Methoxypsoralen liposomal gel showed an evident targeting effect on skin
出处
《中国药房》
CAS
CSCD
2003年第11期655-657,共3页
China Pharmacy
基金
湖北省科技攻关计划项目 (2001AA301B06)
