采用化学沉积法将金沉积到聚碳酸酯膜内孔壁,制备了呈负电性的阵列金纳米通道。在外加恒电压作用下,阳离子型的百草枯选择性通过负电性的金纳米通道,阿特拉津为分子型化合物,不受电荷选择性和电泳作用影响,难以在金纳米通道内迁移。借此,可实现二者的分离。 Gold was deposited onto the inner wall of the polycarbonate film by chemical deposition to prepare negatively charged array gold nanochannels. Under the action of constant voltage, the cationic paraquat selectively passes through the negative Au channel, and atrazine is a molecular compound that is not affected by charge selectivity and electrophoresis and is difficult to migrate within the gold nanochannel. In this way, the two can be separated.