The DNA electrochemical sensor was prepared by covaltently binding the designed CML DNA specific probe on the surface of GCE electrode together with MB as electro-active indicator for the first time.

• 本文利用共价结合法,首次将人工合成的慢粒基因片段做为特异性探针固定在玻碳电极表面,结合电活性指示剂MB构建DNA电化学传感器。