Objective To establish a method for the simultaneous determination of kynurenine(Kyn) and tryptophan(Trp) in serum by high performance liquid chromatography-ultraviolet detection(HPLC-UV).

• 目的建立一种高效液相色谱-紫外检测法同时测定血清中色氨酸(Trp)和犬尿氨酸(Kyn)浓度的方法。