| abstract |
The present invention relates to a kind of aptamer sensor electrode material, electrochemistry aptamer sensors and preparation method thereof.The aptamer sensor is prepared with electrode material by method comprising the following steps: 1) reacting cobalt salt, ferricyanate in a solvent, prepare solid phase ferro-cobalt complex；2) ferro-cobalt complex, cobalt salt, nickel salt, 2-methylimidazole are stirred to react in a solvent, prepare solid phase covering material；3) by solid phase covering material under protective atmosphere in 300 DEG C or more progress calcination processings to get.Aptamer sensor electrode material provided by the invention, due to the intrinsic cavity and different metal oxides and NiCo of frame 2 O 4 Synergistic effect between spinelle, the electrode material can fix a large amount of aptamer chain, to be conducive to improve the detection performance of corresponding electrochemistry aptamer sensor. |