The sensor was prepared by first binding mercaptoacetic acid to the surface of a gold electrode, followed by modification with tyramine utilizing carbodiimide activation.

• 这种传感器的制备首先利用巯基乙酸结合在金电极表面，其次采用碳二亚胺活化后进一步修饰酪胺，最后将半抗原（4-氨基-D-苯丙氨酸）通过重氮化反应共价固定在电极上。