Unlock instant, AI-driven research and patent intelligence for your innovation.

Preparation method of mixed-thiol conductive polymer membrane-based modified electrode

A technology of conducting polymers and modifying electrodes, which is applied in the direction of electrochemical variables of materials, material analysis through electromagnetic means, and measuring devices. It can solve the problems of low sensitivity and achieve improved detection sensitivity, good water solubility, and improved compatibility. Effect

Inactive Publication Date: 2015-01-07
NORTHWEST NORMAL UNIVERSITY
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing modified electrodes have the disadvantages of compatibility with detection substances and low sensitivity

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparation method of mixed-thiol conductive polymer membrane-based modified electrode
  • Preparation method of mixed-thiol conductive polymer membrane-based modified electrode
  • Preparation method of mixed-thiol conductive polymer membrane-based modified electrode

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] A method for preparing a modified electrode based on a mixed sulfhydryl conductive polymer film includes the following steps:

[0023] a. Preparation of fullerol solution: take 15mg of fullerol and dissolve it in 10mL of deionized water, stir the prepared solution at room temperature to fully dissolve the fullerol;

[0024] b. Preparation of porphyrin, mercaptan and aniline solutions: Dissolve 10 mg of mercaptoporphyrin in 50 mL of tetrahydrofuran, and dissolve 1 ml of mercaptan in 25 mL of acetonitrile, so that the concentration of mercaptoporphyrin and mercaptan are equal, and 5 ml of aniline Dissolve it in 50mL of deionized water. The mercaptoporphyrin, mercaptan and aniline solution are stirred and ultrasonically dispersed to fully dissolve mercaptoporphyrin, mercaptan and aniline. The stirring time is 15 minutes and the ultrasonic time is 5 minutes;

[0025] c. Electrode treatment: the glassy carbon electrode is first treated with a 0.3μm aluminum oxide suspension on the ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a preparation method of a mixed-thiol conductive polymer membrane-based modified electrode; the preparation method comprises the following steps of: preparing fullerol solution, preparing porphyrin, sulfur alcohol and aniline solution; treating an electrode; forming a mixed-thiol conductive polymer membrane; absorbing by the fullerol; and carrying out aftertreatment on the modified electrode to obtain the modified electrode. The electrode modified by fullerol molecules is absorbed by the mixed-thiol conductive polymer membrane, so that a great deal of explosive molecules can be absorbed, a donor can be formed, and the detection sensitivity is further improved. Electron transfer can be directly realized by using the fullerol. Therefore, the aims of improving the compatibility of the modified electrode to an objected to be detected and the detection sensitivity of the modified electrode can be achieved.

Description

Technical field [0001] The invention relates to the field of electrochemical sensors, in particular to a method for preparing a modified electrode based on a mixed sulfhydryl conductive polymer film. Background technique [0002] At present, electrochemical sensors are based on the electrochemical properties of the analyte, which converts the chemical quantity of the analyte into an electrical quantity, and uses electric potential or current as a characteristic detection signal to perform sensing detection. Because of its fast response, high sensitivity and simple production, it has been widely studied and applied. [0003] In recent years, research methods based on sulfhydryl conductive polymer membranes or using fullerol to construct biosensors have been paid more and more attention by scientific researchers. Yao Shouzhuo et al. (Electrochemistry Communications 15(2012) 34–37.) immobilized p-mercaptobenzenesulfonic acid (MES) on a polyaniline-modified electrode to achieve Pb 2+ ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/30G01N27/333
Inventor 卢小泉陕多亮艾瑞霞冯彦俊
Owner NORTHWEST NORMAL UNIVERSITY