METHODS: P was coupled chemically with Limulus polyphemus hemocyanin (LPH) to form a coupling agent P LPH, and then方法 :以P为半抗原 ,与血蓝蛋白 (LPH)化学偶联制备人工抗原 (P LPH) ,并以其免疫BALB/c小鼠 ,制备抗P的mAb。