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Aggregation-induced electrochemiluminescence sensor based on tetraphenylethylene conjugated microporous polymer and its preparation method and application

A conjugated microporous, tetraphenylethylene technology, applied in chemiluminescence/bioluminescence, analysis by chemical reaction of materials, etc., to achieve the effect of high anti-interference ability, low detection limit, and wide linear range

Active Publication Date: 2022-05-27
SHANDONG NORMAL UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, no work has reported the use of tetraphenylethylene-covalent microporous polymer (TPE-CMP) as an ECL emitter.

Method used

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  • Aggregation-induced electrochemiluminescence sensor based on tetraphenylethylene conjugated microporous polymer and its preparation method and application
  • Aggregation-induced electrochemiluminescence sensor based on tetraphenylethylene conjugated microporous polymer and its preparation method and application
  • Aggregation-induced electrochemiluminescence sensor based on tetraphenylethylene conjugated microporous polymer and its preparation method and application

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preparation example Construction

[0054] In yet another specific embodiment of the present invention, there is provided a method for an electrochemiluminescence sensor, the preparation method comprising:

[0055] (1) Preparation of TPE-CMP modified electrode: the TPE-CMP solution was fully ultrasonicated and then dropped onto the surface of GCE to obtain TPE-CMP / GCE; TPE-CMP / GCE electrode was obtained after drying.

[0056] (2) Transfer the electrode to the solution of dopamine to be tested for electrochemiluminescence detection.

[0057] In another specific embodiment of the present invention, a method for detecting dopamine in a human serum sample is provided, the method comprising: diluting the human serum sample with 0.1M PBS (PH=7.4) to obtain a sample to be tested, and adding the above electrochemiluminescence sensor to the sample to be tested. Immerse in the sample to be tested, and use a three-electrode system for electrochemiluminescence detection, and the co-reactant is TPrA.

[0058] Further, durin...

Embodiment

[0061] The principle of this embodiment, such as figure 1 shown:

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Abstract

The invention provides a tetraphenylethylene-based conjugated microporous polymer aggregation-induced electrochemiluminescence sensor, a preparation method and application thereof. The present invention uses three kinds of TPE-CMP (namely TPE-CMP-1, TPE-CMP-2 and TPE-CMP-3) to study the ECL mechanism combining the advantages of luminescence and electrochemical technology, by using different coupling agents respectively Tris(4‑ethynylphenyl)amine (TEPA), 4,4'‑diethynylbiphenyl (DEBP) and 2,4,6 tris(4‑ethynylphenyl)‑1,3,5 ‑triazine (TEPT), and was further used to construct an ECL sensor for the detection of dopamine. It has been verified by experiments that the electrochemiluminescent sensor has extremely high sensitivity to dopamine and can be used in the analysis of biological samples, so it has good practical application value.

Description

technical field [0001] The invention belongs to the technical field of electrochemiluminescence detection, and in particular relates to an electrochemiluminescence sensor based on tetraphenylene conjugated microporous polymer aggregation-induced aggregation, and a preparation method and application thereof. Background technique [0002] The information disclosed in this Background section is only for enhancement of understanding of the general background of the invention and should not necessarily be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art. [0003] Conjugated microporous polymer (CMP) materials based on tetraphenylethylene (TPE) have attracted increasing attention, CMP is a class of porous organic materials and has great potential in the molecular design of conjugated frameworks and microporous structures High flexibility. Due to its large surface area and micropo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G61/12C08G61/02G01N21/76
CPCC08G61/12C08G61/02G01N21/76C08G2261/415C08G2261/52C08G2261/94C08G2261/18C08G2261/124C08G2261/312C08G2261/3162C08G2261/3221
Inventor 张春阳崔琳于世龙
Owner SHANDONG NORMAL UNIV
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