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Conjugated microporous polymer aggregation-induced electrochemiluminescence (ECL) sensor based on tetraphenyl ethylene and preparation method and application thereof

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: 2020-04-10
SHANDONG NORMAL UNIV
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  • Summary
  • 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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  • Conjugated microporous polymer aggregation-induced electrochemiluminescence (ECL) sensor based on tetraphenyl ethylene and preparation method and application thereof
  • Conjugated microporous polymer aggregation-induced electrochemiluminescence (ECL) sensor based on tetraphenyl ethylene and preparation method and application thereof
  • Conjugated microporous polymer aggregation-induced electrochemiluminescence (ECL) sensor based on tetraphenyl ethylene and preparation method and application thereof

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preparation example Construction

[0054] In yet another specific embodiment of the present invention, a method for an electrochemiluminescence sensor is provided, 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 the analyte dopamine for electrochemiluminescence detection.

[0057] In yet 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 using the above electrochemiluminescence sensor Immerse in the sample to be tested, and use a three-electrode system for electrochemiluminescence detection, and the co-reactant is TPrA.

[0058] Further, during detection, a co-reactant is ad...

Embodiment

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

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Abstract

The invention provides a conjugated microporous polymer aggregation-induced ECL sensor based on tetraphenyl ethylene and a preparation method and application thereof. According to the invention, threekinds of TPE-CMP (namely, TPE-CMP-1, TPE-CMP-2 and TPE-CMP-3) are used for researching an ECL mechanism; the advantages of a luminescence technology and an electrochemical technology are combined; and tri(4-acetenylphenyl)amine (TEPA), 4,4'-diacetenyl biphenyl (DEBP) and 2,4,6 tri(4-acetenylphenyl)-1,3,5-triazine (TEPT) are respectively prepared by using different coupling agents, and are furtherused for constructing an ECL sensor for detecting dopamine. Testing results prove that the ECL sensor has extremely high sensitivity to dopamine and can be used for analyzing biological samples, so the ECL sensor 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 induced by aggregation of tetraphenylethylene-based conjugated microporous polymers and a preparation method and application thereof. Background technique [0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily taken as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. [0003] Conjugated microporous polymer (CMP) materials based on tetraphenylethylene (TPE), a class of porous organic materials, have attracted increasing attention in the molecular design of conjugated backbones and microporous structures. High flexibility. Due to their large surface area and microporous nature, CMPs can be used as ...

Claims

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Application Information

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Patent Type & Authority Applications(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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