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Microelectrode array and method for modifying carbon nanotube electrode interface of the same array
Microelectrode array and method for modifying carbon nanotube electrode interface of the same array
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机译:微电极阵列及其修饰碳纳米管电极界面的方法
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摘要
The present invention discloses a method for modifying a carbon nanotube electrode interface, which modifies carbon nanotubes used as a neuron-electrode interface by performing three stages of modifications and comprises the steps of: carboxylating carbon nanotubes to provide carboxyl functional groups and improve the hydrophilicity of the carbon nanotubes; acyl-chlorinating the carboxylated carbon nanotubes to replace the hydroxyl functional groups of the carboxyl functional groups with chlorine atoms; and aminating the acyl-chlorinated carbon nanotubes to replace the chlorine atoms with a derivative having amine functional groups at the terminal thereof. The modified carbon nanotubes used as the neuron-electrode interface has lower impedance and higher adherence to nerve cells. Thus is improved the quality of neural signal measurement. The present invention also discloses a microelectrode array, wherein the neuron-electrode interface uses carbon nanotubes modified according to the method of the present invention.
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