Indium tin oxide electrochemiluminescence reaction electrode regeneration cleaning method

A technology of indium tin oxide, light-emitting reaction, applied in the direction of electrochemical variables of materials, etc., can solve the problems of electrode surface damage, difficulty in finding a general cleaning solution, affecting electrode characterization parameters, etc.

Inactive Publication Date: 2015-09-23
彭梓 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] (1) Powder grinding method, the most commonly used grinding powder is alumina powder, which can be used alone or combined with ultrasonic cleaning, solution immersion cleaning, etc. The advantage of powder grinding method is that it is simple and direct, and can remove most of the deposits attached to the electrode surface , but this method has disadvantages such as physical damage to the electrode surface and affecting electrode characterization parameters;
[0008] (2) Solution cleaning method, the solution used includes aqueous solution cleaning solution and organic solution cleaning solution. This treatment method is currently the most commonly used ITO electrode surface cleaning method. Its disadvantage is that repeated cleaning steps are required, and it is difficult to find A general-purpose cleaning solution that meets various cleaning requirements at the same time;

Method used

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Examples

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specific Embodiment 1

[0019] Follow the steps below to clean the surface of the IPO membrane electrode:

[0020] (1) Place the ITO electrode in a solution containing 1% SDS, 2% Na 2 CO 3 , 0.1% EDTA, ph10.0 65 ℃ aqueous cleaning solution soaked for 20 minutes, then ultrasonic treatment (frequency 40kHz, power 20w) for 4 to 5 minutes, discard the aqueous cleaning solution, and clean the surface of the ITO electrode twice with pure water ;

[0021] (2) Soak the surface of the ITO electrode with absolute ethanol at room temperature for 20 minutes, then use ultrasonic treatment (frequency 40kHz, power 20w) for 4 minutes, discard the absolute ethanol and clean the surface of the ITO electrode twice with pure water;

[0022] (3) Soak the ITO electrode surface with a 65°C hydrogen peroxide / ammonia water mixed solution (5% hydrogen peroxide, 1% ammonia water) for 5 minutes, discard the hydrogen peroxide / ammonia water mixed solution and clean the ITO electrode surface with pure water for 3 times;

[0023...

specific Embodiment 2

[0024] Use "ultraviolet-ozone method" for ITO electrode surface activation treatment: place the ITO electrode module to be treated on the stage of the ultraviolet ozone cleaning machine, adjust the height of the stage according to the height of the ITO electrode module, so that the surface of the ITO electrode is as positive as possible 185nm ultraviolet lamp, and 15-20 cm away from the ultraviolet lamp; adjust the oxygen supply pressure to 0.03-0.05 MPa; set the action time to 5-20 seconds; stand still for 10 minutes after the treatment is completed, and then open the treatment room to ventilate to remove residual ozone.

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Abstract

The invention relates to an indium tin oxide electrochemiluminescence reaction electrode regeneration cleaning method in the technical field of electrochemiluminescence biology detection and aims to enable an indium tin oxide electrochemiluminescence reaction electrode to be capable of being used repeatedly for multiple times. The technical scheme includes that that indium tin oxide electrochemiluminescence reaction electrode regeneration cleaning method includes the steps of aqueous-solution cleaning liquid soaking and cleaning, absolute ethyl alcohol soaking and cleaning, electrode surface activating treatment, drying and the like.

Description

technical field [0001] The invention relates to a method for regenerating and cleaning indium tin oxide electrochemiluminescence reaction electrodes in the technical field of electrochemiluminescence biological detection. Background technique [0002] Chemiluminescence (electrochemiluminescence) is the luminescent phenomenon produced in the process of chemical reaction. Electrochemiluminescence research began in the 1930s. In 1929, Harvey et al. discovered that electrolysis of luminol under alkaline conditions could produce luminescence on the electrode, and related researches have been carried out since then. The appearance of ruthenium pyridine electrochemiluminescent system in the 1980s was a major progress in this field. Since then, electrochemiluminescence analysis technology has been effectively applied in immunoassay and nucleic acid analysis. [0003] The reaction electrode is one of the important factors involved in the electrochemiluminescence reaction. Traditi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/38
Inventor 彭梓朱金国吴志鹏
Owner 彭梓
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