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Preparation method for thermo-sensitive type molecularly imprinted polymer with metal frame

A metal framework, molecular imprinting technology, applied in chemical instruments and methods, ion exchange, ion exchange regeneration, etc., can solve the problems of lack of specificity of MOF materials, limitation of enrichment of specific targets, etc., and achieve strong enrichment and sensing. Performance, the effect of broad application prospects

Active Publication Date: 2015-08-19
TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, MOF materials lack specificity and have certain limitations in enriching specific targets

Method used

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  • Preparation method for thermo-sensitive type molecularly imprinted polymer with metal frame
  • Preparation method for thermo-sensitive type molecularly imprinted polymer with metal frame
  • Preparation method for thermo-sensitive type molecularly imprinted polymer with metal frame

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Effect test

Embodiment 1

[0037] A method for preparing a metal frame temperature-sensitive molecularly imprinted polymer, comprising the following steps,

[0038] 1) Weigh 0.78mmol of yttrium acetate, 0.2mmol of ytterbium acetate and 0.02mmol of erbium acetate and dissolve them in 6mL of oleic acid and 17mL of octadecene. The mixture is heated to 160°C to form a transparent solution, which is naturally cooled to room temperature. Add 2.5mmol NaOH and 4mmol NH dropwise 4 A solution of F in 10 mL of methanol was stirred at room temperature for 30 min. Then, methanol was gradually removed by heating. After vacuuming at 100°C for 10 minutes, it was heated to 300°C under the protection of argon and maintained for 1h. After the resulting solution was naturally cooled, the oil-soluble up-converting nanoparticles were precipitated in ethanol;

[0039] 2) Disperse 100 mg of the above-prepared up-conversion nanoparticles in 3 mL of toluene for later use. Weigh 300mg of polyacrylic acid (PAA) and dissolve it ...

Embodiment 2

[0052] 1) Weigh 0.78mmol of yttrium acetate, 0.2mmol of ytterbium acetate and 0.02mmol of erbium acetate and dissolve them in 6mL of oleic acid and 17mL of octadecene. The mixture is heated to 160°C to form a transparent solution, which is naturally cooled to room temperature. Add 2.5mmol NaOH and 4mmol NH dropwise 4 A solution of F in 10 mL of methanol was stirred at room temperature for 30 min. Then, methanol was gradually removed by heating. After vacuuming at 100°C for 10 minutes, it was heated to 300°C under the protection of argon and maintained for 1h. After the resulting solution was naturally cooled, the oil-soluble up-converting nanoparticles were precipitated in ethanol;

[0053] 2) Disperse 100 mg of the above-prepared up-conversion nanoparticles in 3 mL of toluene for later use. Weigh 300mg of polyacrylic acid (PAA) and dissolve it in 30mL of diethylene glycol, heat the mixture to 110°C, and add the upconverted toluene solution, maintain 110°C for 1h under the p...

Embodiment 3

[0061] 1) Weigh 0.78mmol of yttrium acetate, 0.2mmol of ytterbium acetate and 0.02mmol of erbium acetate and dissolve them in 6mL of oleic acid and 17mL of octadecene. The mixture is heated to 160°C to form a transparent solution, which is naturally cooled to room temperature. Add 2.5mmol NaOH and 4mmol NH dropwise 4 A solution of F in 10 mL of methanol was stirred at room temperature for 30 min. Then, methanol was gradually removed by heating. After vacuuming at 100°C for 10 minutes, it was heated to 300°C under the protection of argon and maintained for 1h. After the resulting solution was naturally cooled, the oil-soluble up-converting nanoparticles were precipitated in ethanol;

[0062] 2) Disperse 100 mg of the above-prepared up-conversion nanoparticles in 3 mL of toluene for later use. Weigh 300mg of polyacrylic acid (PAA) and dissolve it in 30mL of diethylene glycol, heat the mixture to 110°C, and add the upconverted toluene solution, maintain 110°C for 1h under the p...

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Abstract

The invention provides a preparation method for a thermo-sensitive type molecularly imprinted polymer with a metal frame. The method is used for enriching or sensing bovine hemoglobin and comprises the following steps: preparing a metal frame compound with upconversion fluorescence; introducing a thermo-sensitive monomer. According to the preparation method for the thermo-sensitive type molecularly imprinted polymer of the metal frame, UCNPs with strong fluorescence and MOF with larger specific surface area are introduced into a molecular imprinting technology, and a prepared composite material can be used for enriching or sensing the bovine hemoglobin. Meanwhile, the thermo-sensitive monomer is introduced, so that the composite material has a temperature-based reversible adsorption / release function and has a broad application prospect.

Description

technical field [0001] The invention belongs to the field of polymer materials, and in particular relates to a method for preparing a metal frame temperature-sensitive molecularly imprinted polymer. Background technique [0002] Metal-organic framework (MOF) is a porous material that has developed rapidly in recent years. Compared with traditional inorganic porous materials, MOF materials have larger porosity and specific surface area, especially adjustable pore size and variable The functional group has attracted the attention of more and more scientific researchers. At present, MOF materials are widely used in hydrogen storage, biosensing, material adsorption and separation, etc. However, MOF materials lack specificity and have certain limitations in enriching specific targets. [0003] Molecular imprinting technology refers to the process of using a specific target molecule as a template to prepare a polymer with specific recognition properties for the molecule. Compar...

Claims

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Application Information

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IPC IPC(8): C08F265/02C08F220/54C08F222/38C08J9/26B01J20/285B01D15/08C09K11/77
Inventor 王硕郭婷邓启良刘冰王俊平
Owner TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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