As an example, we examine the pteridine levels in human urine by CE-LIF.The results showed a very good correlation between pteridine levels and tumor disease.

• 喋啶是人体新陈代谢过程中重要的因子之一，应用毛细管电泳-激光诱导荧光检测可以测定尿液中喋啶类化合物的含量。