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A kind of polyacid crystalline molecule with zinc complex and its preparation method and application

A technology of zinc complexes and crystalline states, applied in the field of polyacid crystalline molecules with zinc complexes and its preparation

Active Publication Date: 2022-01-28
JINING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

And zinc exists in many enzyme systems, such as carbonic anhydrase, respiratory enzyme , lactate dehydrogenase, superoxide dismutase, alkaline phosphatase, DNA and RNA polymerase, etc., are essential substances for the synthesis of nucleic acids, proteins, carbohydrates and the utilization of vitamin A; found through literature, using Zn-MOFs The use of POMOFs to modify polyacids is rarely reported, and the use of Zn-based POMOFs as enzymatic materials has not been reported so far.

Method used

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  • A kind of polyacid crystalline molecule with zinc complex and its preparation method and application
  • A kind of polyacid crystalline molecule with zinc complex and its preparation method and application
  • A kind of polyacid crystalline molecule with zinc complex and its preparation method and application

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Embodiment 1

[0045] A method for preparing a polyacid crystalline molecule with a zinc complex, comprising the steps of:

[0046] S1, 200mg of Zn(NO 3 ) 2 , 300mg of H 3 PW 12 o 40 and 36mg of NH 4 VO 3 Dissolve in 5 mL of deionized water, stir at room temperature for 30 minutes to obtain a mixed solution, add 1,2-bis(4-pyridyl)ethane in polyethylene glycol 400 solution with a concentration of 35 mg / mL to the mixed solution, and continue stirring After 30 minutes, adjust the pH to 4.2 with 1mol / L HCl solution to obtain a reaction solution;

[0047] S2. Put the reaction solution of S1 into polytetrafluoroethylene, then put polytetrafluoroethylene into a stainless steel autoclave, react at a constant temperature of 170°C for 5 days, and cool down to 120°C at a rate of 10°C / min , naturally cooled to room temperature, black-red massive crystals were obtained, washed with water, and dried naturally to obtain polyacid crystalline molecular materials with zinc complexes, and its molecular ...

Embodiment 2

[0049] A method for preparing a polyacid crystalline molecule with a zinc complex, comprising the steps of:

[0050] S1, 200mg of Zn(NO 3 ) 2 , 243 mg of H 3 PW 12 o 40 and 34mg of NH 4 VO 3 Dissolve in 4 mL of deionized water, stir at room temperature for 30 minutes to obtain a mixed solution, add 1,2-bis(4-pyridyl)ethane in polyethylene glycol 400 solution with a concentration of 32 mg / mL into the mixed solution, and continue stirring After 30 minutes, adjust the pH to 4.4 with 1mol / L HCl solution to obtain a reaction solution;

[0051] S2. Put the reaction solution of S1 into polytetrafluoroethylene, then put polytetrafluoroethylene into a stainless steel autoclave, react at a constant temperature of 175°C for 5 days, and cool down to 120°C at a rate of 10°C / min , naturally cooled down to room temperature to obtain black-red massive crystals, washed with water and dried to obtain polyacid crystalline molecular materials with zinc complexes, the molecular formula of w...

Embodiment 3

[0053] A method for preparing a polyacid crystalline molecule with a zinc complex, comprising the steps of:

[0054] S1, 200mg of Zn(NO 3 ) 2 , 305mg of H 3 PW 12 o 40 and 40mg of NH 4 VO 3 Dissolve in 6 mL of deionized water, stir at room temperature for 30 minutes to obtain a mixed solution, add 1,2-bis(4-pyridyl)ethane in polyethylene glycol 400 solution with a concentration of 36 mg / mL into the mixed solution, and continue stirring After 30 minutes, adjust the pH to 4.0 with 1mol / L HCl solution to obtain a reaction solution;

[0055] S2. Put the reaction solution of S1 into polytetrafluoroethylene, then put polytetrafluoroethylene into a stainless steel autoclave, react at a constant temperature of 165°C for 6 days, and cool down to 120°C at a rate of 10°C / min , naturally cooled down to room temperature to obtain black-red massive crystals, washed with water and dried to obtain polyacid crystalline molecular materials with zinc complexes, the molecular formula of wh...

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Abstract

The present invention relates to the technical field of polyacid crystalline molecular metal complexes, specifically a polyacid crystalline molecule with a zinc complex and its preparation method and application. The present invention selects rigid expansion organic molecules 1,2-di( 4-pyridyl) ethylene is used as a bridging reagent to combine zinc ions, which are necessary for life, with Keggin-type polyacids. With the assistance of ammonium metavanadate and surfactant polyethylene glycol 400, a zinc complex The polyacid crystalline molecule, determined its molecular formula as [Zn(bpe)(PW 12 o 40 )] 2 bpe·2H 2 O. In the present invention, for the first time, polyacids modified with Zn complexes are used to carry out colorimetric research on peroxidase-like catalyzed oxidation, and are used for the detection of small biological molecules. The research results show that the polyacid crystalline molecules functionalized by zinc complexes present a very good The peroxidase-like activity can be used as a new type of peroxidase-like catalyst for the detection of biological small molecules.

Description

technical field [0001] The invention relates to the technical field of polyacid crystalline molecular metal complexes, in particular to a polyacid crystalline molecule with zinc complexes and its preparation method and application. Background technique [0002] As a vital part of various metabolic processes in the human body and the entire life process, small biological molecules, their content in the body directly affect the health of the human body; when their concentration in the body changes abnormally, it will cause a series of disease. In organisms, dopamine (DA), ascorbic acid (AA) and uric acid (UA) are a class of very important bioactive small molecules that play key roles in physiological processes such as blood circulation and metabolism in the central nervous system. The occurrence of diseases is closely related to the content of these biomolecules. Among them, AA is a vitamin that can protect the body from the attack of oxidative substances, and can prevent and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G83/00G01N21/78G01N21/33G01N21/31
CPCC08G83/008G01N21/78G01N21/33G01N21/31
Inventor 沙靖全王宇光张立庆
Owner JINING UNIV
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