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Three-dimensional inverse opal polymer photonic crystal material and preparation method and application thereof

A technology of photonic crystals and inverse opals, which is applied in the growth of polycrystalline materials, the analysis of materials through chemical reactions, and crystal growth. It can solve the problems of slow detection speed and low sensitivity, and achieve short response time and good repeatability. , the effect of easy operation

Active Publication Date: 2019-09-24
ZHENGZHOU UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In the prior art, the Chinese invention patent application publication number CN107056981A discloses a photonic crystal gel material for detecting glucose, including polyacrylamide-acrylic acid gel and photonic crystal embedded in the gel, The gel is directly or indirectly chemically grafted with phenylboronic acid groups, and the photonic crystal is a two-dimensional photonic crystal or a three-dimensional photonic crystal. The photonic crystal gel material can realize the detection of glucose content information, but because the photonic crystal contains Buried in the gel, the photonic crystal gel material has low sensitivity and slow detection speed when detecting glucose

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  • Three-dimensional inverse opal polymer photonic crystal material and preparation method and application thereof

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Embodiment 1

[0063] In the three-dimensional inverse opal polymer photonic crystal material of this embodiment, the polymer forming the inverse opal structure is mainly made of a functional polymerizable monomer and a cross-linking agent through polymerization; the functional polymerizable monomer used is 3-propionamide aminobenzene Boric acid; the crosslinking agent used is ethylene glycol dimethacrylate.

[0064] The preparation method of the three-dimensional inverse opal polymer photonic crystal material of the present embodiment comprises the following steps:

[0065] 1) Preparation of three-dimensional SiO 2 Opal Photonic Crystal Template

[0066] a) Place the pre-prepared glass sheet with a size of 25×15mm and 5mL beaker A into 200mL ultrapure water for 20min and take it out;

[0067] b) According to the volume ratio of concentrated sulfuric acid and hydrogen peroxide at a ratio of 7:3, add concentrated sulfuric acid and hydrogen peroxide into a 200mL beaker B to obtain a piranha ...

Embodiment 2

[0079] In the three-dimensional inverse opal polymer photonic crystal material of this embodiment, the polymer forming the inverse opal structure is mainly made of a functional polymerizable monomer and a cross-linking agent through polymerization; the functional polymerizable monomer used is 3-acrylamidobenzene Boric acid, the crosslinking agent is ethylene glycol dimethacrylate.

[0080] The preparation method of the three-dimensional inverse opal polymer photonic crystal material of the present embodiment comprises the following steps:

[0081] 1) Preparation of three-dimensional SiO 2 Opal Photonic Crystal Template

[0082] a) Place the pre-prepared glass sheet with a size of 25×15mm and 5mL beaker A into 200mL ultrapure water for 20min and take it out;

[0083]b) According to the volume ratio of concentrated sulfuric acid and hydrogen peroxide at a ratio of 7:3, add concentrated sulfuric acid and hydrogen peroxide into a 200mL beaker B to obtain a piranha solution, and ...

Embodiment 3

[0094] In the three-dimensional inverse opal polymer photonic crystal material of this embodiment, the polymer forming the inverse opal structure is mainly made of a functional polymerizable monomer and a cross-linking agent through polymerization; the functional polymerizable monomer used is 3-acrylamidobenzene Boric acid, the crosslinking agent is ethylene glycol dimethacrylate.

[0095] The preparation method of the three-dimensional inverse opal polymer photonic crystal material of the present embodiment comprises the following steps:

[0096] 1) Preparation of three-dimensional SiO 2 Opal Photonic Crystal Template

[0097] a) Place the pre-prepared glass sheet with a size of 25×15mm and 5mL beaker A into 200mL ultrapure water for 20min and take it out;

[0098] b) According to the volume ratio of concentrated sulfuric acid and hydrogen peroxide at a ratio of 7:3, add concentrated sulfuric acid and hydrogen peroxide into a 200mL beaker B to obtain a piranha solution, and...

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Abstract

The invention relates to a three-dimensional inverse opal polymer photonic crystal material and a preparation method and application thereof, and belongs to the technical field of chemical and clinical analysis detection of glucose. According to the three-dimensional inverse opal polymer photonic crystal material, a polymer of an inverse opal structure is mainly prepared through a polymerization reaction of a functional polymerization monomer and a crosslinking agent, and the functional polymerization monomer is 3-acrylamidophenylboronic acid. The three-dimensional inverse opal photonic crystal material has good optical performance, and the material is a photonic crystal gel material which generates reversible change with external stimulation, has excellent expansion and recovery properties, and has fast response; and the content of glucose can be detected with high selectivity sensitively and quickly in real time, and the three-dimensional inverse opal polymer photonic crystal material is especially suitable for convenient detection of the level of human urine sugar, and excellent recyclability is achieved.

Description

technical field [0001] The invention relates to a three-dimensional inverse opal polymer photonic crystal material and its preparation method and application, belonging to the technical field of chemical and clinical glucose analysis and testing. Background technique [0002] Diabetes has become one of the serious diseases that endanger the health of all human beings, and gradually shows two trends: the number of patients is increasing year by year and the age of patients is getting younger. Therefore, in order to control the harm caused by diabetes, countries all over the world have invested huge manpower and material resources. Real-time monitoring of blood sugar levels is a common means of controlling diabetes, but the current general detection methods require blood samples to be collected, which not only brings physical pain to patients, but also brings them psychological pressure. Therefore, non-invasive glucose detection methods have become one of the most extensive r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C30B29/58C30B7/14G01N21/78
CPCC30B7/14C30B29/58G01N21/78
Inventor 范冰冰杨兵权张帆宋琼张锐李娅娅都奎山冯献起王露莹
Owner ZHENGZHOU UNIV
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