Method for regenerating carbon fiber ultramicroelectrode

An ultra-fine electrode and carbon regeneration technology, applied in the field of bioelectrochemical analysis, can solve the problems of changing electrode microstructure and surface chemistry, and deterioration of electrode response reproducibility and stability, etc., and achieve stable electrochemical performance. Good electrochemical response, simple and convenient activation method
CN107515239AInactive Publication Date: 2017-12-26SOUTH CENTRAL UNIVERSITY FOR NATIONALITIES
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
SOUTH CENTRAL UNIVERSITY FOR NATIONALITIES
Publication Date
2017-12-26
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The invention discloses a method for regenerating carbon fiber ultramicroelectrode. The method is characterized in that a reference electrode and a poisoning electrode are placed in deionized water, through a constant potential current time method, the reference electrode and the poisoning electrode are activated, wherein no chemical substance is added in the deionized water. The above method has good activation effect, compared with the poisoning electrode, the electrochemistry response of the processed carbon fiber ultramicroelectrode is obviously increased, and the electrochemistry performance of the regenerated electrode is stable.
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Description

technical field

[0001] The invention relates to the technical field of bioelectrochemical analysis, in particular to a method for regenerating carbon fiber ultramicro electrodes. Background technique

[0002] Ultramicroelectrodes have excellent characteristics such as high temporal and spatial resolution and high sensitivity. In recent years, they have been extensively and deeply studied in many fields, and have become an important branch of electrochemical research with great development prospects. Because of its ability to detect rapid and small chemical changes in specific micro-regions in biological systems, ultra-microelectrode electrochemical detection is widely used to explore cytochemistry in biological microenvironments, and is especially suitable for in vivo analysis. However, in the bioelectrochemical analysis system, the surface of the ultramicroelectrode is easily polluted and passivated by free radicals or electropolymerization products generated in the electro...

Claims

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