Methods Serum NP and BP were determined in uremia patients before and after dialysis and in control group by RP-HPLC-FD method.

• 方法采用反相高效液相色谱-荧光检测(RP-HPLC-FD)的方法,分别测定正常对照组、尿毒症组透析前后血清中的NP、BP浓度,并进行比较。