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Copper ion chelated carboxyl functionalized magnetic bentonite as well as preparation method and application thereof

A carboxyl-functionalized, bentonite technology, applied in chemical instruments and methods, inorganic chemistry, alkali metal compounds, etc., to achieve the effects of low material cost, strong adsorption capacity, and good structural stability

Pending Publication Date: 2020-02-28
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] At present, there is no report on the preparation of carboxyl-functionalized magnetic bentonite chelated with copper ions and its use in the direct separation and detection of bovine hemoglobin in bovine blood samples

Method used

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  • Copper ion chelated carboxyl functionalized magnetic bentonite as well as preparation method and application thereof
  • Copper ion chelated carboxyl functionalized magnetic bentonite as well as preparation method and application thereof
  • Copper ion chelated carboxyl functionalized magnetic bentonite as well as preparation method and application thereof

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Experimental program
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Effect test

Embodiment 1

[0031] A preparation method of carboxyl functionalized magnetic bentonite chelated by copper ions, comprising the following steps:

[0032] Step 1. Weigh 0.06g of bentonite, 0.1g of ferric chloride, 0.5g of sodium acetate, 0.01g of sodium polyacrylate, 5.8mL of ethylene glycol and 10mL of diethylene glycol, and react at 170°C for 6 hours. After the reaction, The reaction product was washed and dried at 30°C for 3 hours to obtain carboxyl-functionalized magnetic bentonite;

[0033] Step 2. Weigh 0.05g of carboxy-functionalized magnetic bentonite, 0.15g of copper sulfate, and 10mL of ultrapure water, and react with mechanical stirring at room temperature for 30 minutes, wherein the stirring speed is 50r / min, to obtain a carboxyl-functionalized bentonite containing copper ions chelated. The reaction liquid of magnetic bentonite;

[0034] Step 3: Separating the solid polymer in the reaction solution after the reaction in Step 2 by applying an external magnetic field, washing the ...

Embodiment 2

[0045] A preparation method of carboxyl functionalized magnetic bentonite chelated by copper ions, comprising the following steps:

[0046] Step 1. Weigh 0.20g of bentonite, 0.30g of ferric chloride, 1g of sodium acetate, 0.03g of sodium polyacrylate, 7.5mL of ethylene glycol and 14mL of diethylene glycol, and react at 180°C for 8 hours. After the reaction, put The reaction product was washed and dried at 40°C for 4.5 hours to obtain carboxyl-functionalized magnetic bentonite;

[0047] Step 2: Weigh 0.15g of carboxyl-functionalized magnetic bentonite, 0.30g of copper sulfate, and 15mL of ultrapure water, and react with mechanical stirring at room temperature for 40 minutes, wherein the stirring speed is 120r / min, to obtain a carboxyl-functionalized bentonite containing copper ions chelated. The reaction liquid of magnetic bentonite;

[0048] Step 3: Separating the solid polymer in the reaction solution after the reaction in Step 2 by applying an external magnetic field, washi...

Embodiment 3

[0058] A preparation method of carboxyl functionalized magnetic bentonite chelated by copper ions, comprising the following steps:

[0059] Step 1. Weigh 0.45g of bentonite, 0.45g of ferric chloride, 1.5g of sodium acetate, 0.05g of sodium polyacrylate, 9mL of ethylene glycol and 19mL of diethylene glycol, and react at 190°C for 10 hours. After the reaction, put The reaction product was washed and dried at 45°C for 6 hours to obtain carboxyl-functionalized magnetic bentonite;

[0060] Step 2. Weigh 0.25g of carboxyl-functionalized magnetic bentonite, 0.45g of copper sulfate, and 20mL of ultrapure water, and react with mechanical stirring at room temperature for 50 minutes, wherein the stirring speed is 180r / min, to obtain a carboxyl-functionalized bentonite containing copper ions chelated. The reaction liquid of magnetic bentonite;

[0061] Step 3: Separating the solid polymer in the reaction solution after the reaction in Step 2 by applying an external magnetic field, washin...

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Abstract

The invention discloses copper ion chelated carboxyl functionalized magnetic bentonite as well as a preparation method and application thereof, and belongs to the technical field of magnetic materialpreparation and proteomics. The preparation method comprises the following steps: firstly, synthesizing carboxyl functionalized magnetic bentonite in one step by adopting solvothermal method; then, adding the carboxyl functionalized magnetic bentonite into a copper sulfate solution, and mechanically stirring to prepare a reaction solution containing copper ion chelated carboxyl functionalized magnetic bentonite; and finally, separating the solid polymer from the reaction solution through an external magnetic field, and washing and drying the separated solid polymer to obtain the copper ion chelated carboxyl functionalized magnetic bentonite. The copper ion chelated carboxyl functionalized magnetic bentonite prepared by the invention is good in structural stability, strong in magnetic response, strong in selective adsorption capacity on bovine hemoglobin, large in adsorption capacity, high in recovery rate, low in material cost and simple to prepare.

Description

technical field [0001] The invention belongs to the technical fields of magnetic material preparation and proteomics, and relates to a carboxyl-functionalized magnetic bentonite chelated with copper ions and a preparation method and application thereof. Background technique [0002] Proteomics is a discipline that studies the composition of proteins in cells, tissues or organisms and their changes, taking the proteome as the research object. Among them, the characteristics of proteins are mainly studied, including protein expression, protein translation and the interaction between proteins. The study of proteomics contributes to a deeper understanding of the mechanisms of disease and cellular metabolic processes. By comparing the proteomes of healthy and pathological individuals, researchers can find some specific protein biomarkers of pathology. These proteins can become new molecular targets in drug design, or provide molecular markers for early diagnosis of diseases, so...

Claims

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Application Information

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IPC IPC(8): B01J20/26B01J20/28B01J20/30G01N33/72
CPCB01J20/0229B01J20/0237B01J20/12B01J20/22B01J20/261B01J20/28009B01J2220/4806B01J2220/4812G01N33/721
Inventor 高瑞霞赵文昌牛莹莹高原王悦
Owner XI AN JIAOTONG UNIV
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