First, L-cysteine was immobilized onto a gold electrode to form a positively charged surface, then nano-Prussian blue was assembled on the modified surface as an electron transfer mediator.
在金电极表面修饰带正电荷的L-半胱氨酸,再利用静电吸附作用固定纳米普鲁士蓝(nano-PB),然后利用壳聚糖-纳米金复合膜将葡萄糖氧化酶(GOD)固定于修饰电极表面,制成新型的葡萄糖传感器。
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