The binding constant between sodium houttyfonate(SH) and human serum albumin(HSA) was determined (using) the mobility shift model of capillary electrophoresis interaction analysis.

• 采用毛细管电泳峰漂移法测定了鱼腥草素钠(SH)与人血清白蛋白(HSA)在碱性缓冲液条件下的结合常数。