The affinity of selected peptides were assayed by ELISA and the inhibitory activity to influenza virus A/Sydney/5/97 neuraminidase were detected by fluorometric method.

• 用ELISA方法鉴定噬菌体克隆与靶分子的结合力,用荧光方法测定噬菌体克隆对流感病毒A/Sydney/5/97(H3N2)神经氨酸酶的抑制活性。