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Organic nano electrochemical luminescence response sensor and manufacturing method thereof

An electrochemical and sensor technology, applied in the field of electrochemiluminescent responsive material sensors, can solve the problems of weakening the conductivity of electrochemiluminescent sensors, affecting the detection performance of electrochemiluminescent materials, and failing to detect small molecules, so as to facilitate application and promotion , low detection limit and high detection sensitivity

Inactive Publication Date: 2015-11-11
HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

So far, most nanomaterial ECL sensors are prepared from inorganic semiconductor nanomaterials as electrochemiluminescence reagents, but inorganic semiconductor nanomaterials can only produce cathode ECL emission peaks, and cannot detect substances such as dopamine and proline. Small molecules such as amino acids that are easily oxidized
At the same time, the immobilization of electrochemiluminescent reagents has always been a key issue in the study of reproducible electrochemiluminescent sensors. Perfluorosulfonic acid cation exchange resin membrane (Nafion) is the most commonly used material for immobilizing reagents. However, this pure The charge transfer rate of the resin film is relatively slow, thus weakening the conductivity of the electrochemiluminescence sensor and directly affecting the detection performance of the electrochemiluminescence material.

Method used

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  • Organic nano electrochemical luminescence response sensor and manufacturing method thereof
  • Organic nano electrochemical luminescence response sensor and manufacturing method thereof
  • Organic nano electrochemical luminescence response sensor and manufacturing method thereof

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Embodiment 1

[0029] This embodiment relates to a group of organic nano-electrochemiluminescence responsive sensors and a preparation method thereof.

Embodiment 11

[0031] This embodiment relates to a bipyridyl ruthenium organic nano-electrochemiluminescence response sensor, and the specific preparation steps are as follows:

[0032] a. Obtain bipyridyl ruthenium organic nano-electrochemiluminescent response materials:

[0033] Prepare a bipyridyl ruthenium solution with a concentration of 0.05mmol / L, and the solvent is acetonitrile; add 10mL of acetonitrile into a 100mL beaker, then put a block object and make it protrude from the liquid surface by about 0.5 cm, and then place it on the block object Place a piece of quartz glass sprayed with Pt as the substrate and seal the beaker; quickly drop the bipyridyl ruthenium solution on the substrate with a syringe; after the solvent on the substrate evaporates slowly, a pair of solvent atmosphere is formed in the beaker, and the bipyridyl ruthenium molecules are in the liquid Gradually aggregate and self-assemble in the phase, and after 5-6 hours of self-assembly process, a large number of bip...

Embodiment 12

[0038] This embodiment relates to a rubrene organic nano-electrochemiluminescence response sensor, which is prepared by the following steps:

[0039] a. Obtain rubrene organic nano-electrochemiluminescence response materials:

[0040]Prepare a rubrene solution with a concentration of 0.04mmol / L, and the solvent is cyclohexane; add 15mL cyclohexane into a 100mL beaker, then put a block object and make it protrude from the liquid surface by about 0.5 cm, and then Put a piece of quartz glass sprayed with Pt on the block as the substrate and seal the beaker; use a syringe to draw rubrene solution and drop it quickly on the substrate; when the solvent on the substrate evaporates slowly, a solvent atmosphere is formed in the beaker, rubrene The alkene molecules gradually aggregated and self-assembled in the liquid phase. After 4-5 hours of self-assembly process, a large number of rubrene organic nanowires, that is, organic nano-electrochemiluminescent response materials were obtaine...

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Abstract

The invention relates to a manufacturing method of an organic nano electrochemical luminescence response sensor. An organic nano electrochemical luminescence response material manufactured through self-assembly of organic molecular substances with electrochemical luminescence responses is fixed to an electrode through a perfluorosulfonic cation exchange resin film doped with high-conductivity materaials, and the organic nano electrochemical luminescence response sensor is obtained. The manufactured organic nano electrochemical luminescence response sensor has the advantages of being low in detecting limit and high in sensitivity, and can be used for detecting dopamine, proline and other micromolecules prone to being oxidized. The manufacturing method of the organic nano electrochemical luminescence response sensor is simple in process, has the universal operation steps, is beneficial to popularization and application, and has great application value in manufacturing of nano sensors.

Description

technical field [0001] The invention relates to an electrochemiluminescence response material sensor, in particular to an organic nanometer electrochemiluminescence response sensor, and at the same time, the invention also relates to a preparation method of the organic nanometer electrochemiluminescence response sensor. Background technique [0002] Nanotechnology and sensing are two of the leading technologies of the 21st century, and there are many technological crossovers between the two. After the introduction of nanotechnology into the field of sensors, the sensitivity and other properties of sensors have been improved, and new types of sensors have been promoted. Nanosensors have been highly valued and widely used in environmental monitoring, food industry, etc., and are expected to become emerging industries. Electrochemiluminescence sensor, as a valuable detection device, has received more and more attention in detection applications. So far, most nanomaterial ECL ...

Claims

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Application Information

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IPC IPC(8): G01N21/76B82Y30/00B82Y15/00
Inventor 李青徐晓存张红杨圣武李昆杰
Owner HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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