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A kind of electrochemiluminescent compound and its application

A luminescent compound, electrochemical technology, applied in the direction of indium organic compounds, platinum group organic compounds, luminescent materials, etc., can solve the problems of limiting the application of electrochemiluminescent systems, low luminous quantum efficiency, single luminous color, etc., and achieve a good economic and social Benefits, overcoming the effect of single luminescent color and high efficiency of electrochemiluminescence

Active Publication Date: 2017-09-05
SUZHOU UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The currently commercialized electrochemiluminescent compounds are mainly terpyridine ruthenium compounds, but they have obvious disadvantages, such as: the luminous color is relatively single, the luminous quantum efficiency is low, and the luminous wavelength is difficult to adjust through the molecular structure.
These disadvantages limit the application of electrochemiluminescent systems

Method used

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  • A kind of electrochemiluminescent compound and its application
  • A kind of electrochemiluminescent compound and its application
  • A kind of electrochemiluminescent compound and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Synthesis of Electrochemiluminescent Compounds

[0033] First, after reacting iridium trichloride trihydrate crystalline compound with C^N bidentate ligand (compound 1) in ethylene glycol ether solvent for 24 hours, a transition metal chloride bridge compound (compound 2) was obtained, and then the chlorine bridge The compound reacts with the X^Y bidentate ligand compound (compound 3) to obtain the final electrochemiluminescent compound (compound 3).

[0034]

[0035] The synthesis route of the electrochemiluminescence compound involved in the present invention is similar to this.

Embodiment 2

[0037] The structures of the electrochemiluminescent compounds used are shown below:

[0038]

[0039] In the acetonitrile solution system, tetrabutylammonium hexafluorophosphate was used as the supporting electrolyte, tripropylamine was used as the co-reactive molecule, and the concentration of the electrochemiluminescence compound was 10 -4 mol / L, the concentration of co-reactive compound is 10 -2 mol / L, the concentration of the electrolyte is 0.1mol / L; the electrochemiluminescent compound; using a cyclic potential scanning method (0 V-1.2 V-0 V, the potential is using ferrocene as a reference), and using a photomultiplier tube to collect Electrochemiluminescence signal. The wavelength of the electrochemiluminescence peak is 622nm. attached figure 1 , 2 They are the electrochemiluminescence diagrams of the above-mentioned electrochemiluminescent compound and the terpyridine ruthenium compound under the same conditions, and comparison shows that the compound of the pre...

Embodiment 3

[0041] The structures of the electrochemiluminescent compounds used are shown below:

[0042]

[0043] In the acetonitrile solution system, tetrabutylammonium hexafluorophosphate was used as the supporting electrolyte, tripropylamine was used as the co-reactive molecule, and the concentration of the electrochemiluminescence compound was 10 -5 mol / L, the concentration of co-reactive compound is 10 -4 mol / L, the concentration of the electrolyte is 0.01mol / L; using the constant potential method (1.3 V, the duration is 20 seconds, the potential is using ferrocene as a reference), and the electrochemiluminescent signal is collected by using a photomultiplier tube. The wavelength of the electrochemiluminescence peak is 620 nm.

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PUM

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Abstract

The invention discloses an electrochemical luminescence compound and an application thereof. The electrochemical luminescent efficiency of the electrochemical luminescence compound is obviously superior to that of commonly-used electrochemical luminescence immune marker molecule tris-bipyridine ruthenium, and the electrochemical luminescence compound can be prepared into an electrochemical luminescence system which has good electrochemical luminescent efficiency in various luminescent modes; meanwhile, the electrochemical luminescence compound also has good electrochemical luminescence performance without a co-reaction compound; and moreover, the luminescent wavelength can be adjusted from blue light to red light by virtue of changes of a ligand structure, so that the molecules have important potential application values and huge market potential in electrochemical luminescence immunoassay.

Description

technical field [0001] The invention belongs to the field of electrochemiluminescence systems, and in particular relates to an electrochemiluminescence compound and its application. Background technique [0002] In the field of biological detection, electrochemiluminescence immunoassay is a new generation of micro-labeled immunoassay technology after radioimmunoassay, enzyme immunoassay, fluorescence immunoassay, and chemiluminescence immunoassay. It has high detection sensitivity (up to femtomolar level) and good selectivity. , fast detection time, wide linear range and other advantages, it is widely used in basic medicine, clinical application, food safety and other fields. [0003] Electrochemiluminescence compounds are the basis of electrochemiluminescence immunoassay technology for biological analysis and detection. The currently commercialized electrochemiluminescent compounds are mainly terpyridine ruthenium compounds, but they have obvious disadvantages, such as: th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07F15/00C09K11/06
CPCC07F15/0033C09K11/06C09K2211/185
Inventor 周宇扬周明王筱梅
Owner SUZHOU UNIV OF SCI & TECH
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