Penicillinase,hematein and nano gold colloid were immobilized,as a modified membrane,on a plane Pt electrode by glutaraldehyde-bovine serum albumin.

用戊二醛-牛血清白蛋白交联法将青、纳米金胶和化苏木精同在铂电极上,制成电流型电化学生物传感器。