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Preparation method and application of surface artemisinin molecule imprinting adsorbing material of vegetable sponge

A technology of molecular imprinting and adsorption materials, applied in the direction of selective adsorption, chemical instruments and methods, ion exchange, etc., can solve the problems of reducing the utilization rate of imprinting sites, uneven distribution of imprinting sites, template leakage mechanical properties, etc., to achieve Excellent mechanical stability, increase farmers' income, good physical and chemical stability effects

Inactive Publication Date: 2012-07-25
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology describes making certain types of materials that have unique properties like recognizing or binding with enzyme called Arthrin (a type of plant hormone). These specialized structures made from these compounds help make them better suited for various applications such as medicine, food products, cosmetics, etc.. They also provide technical advantages over existing methods due to their simplicity, ease of manufacturing processes, environmental friendliness, and lower costs compared to current technologies.

Problems solved by technology

Technicians skilled in studying various technical problem addressed in this patented text include finding suitable supporting materials that can effectively bind or release target compounds without causing contamination issues like residual impurities. Surfactants play key roles in capturing these targets onto surfaces through interactions between water molecule and mold plate moleculae. Natural sources of surfacemask oils were developed over several decades ago, making it possible to control the amount of each component released into air streams. Chemistry techniques involving reaction injection/melt extrusion processes have been explored to improve efficiency and productivity.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] (1) Loofah pretreatment: loofah is derived from loofah fruit, which is obtained by peeling and removing the core, cutting loofah into small pieces, washing with water, drying in vacuum, crushing, and sieving with a 60-mesh sieve;

[0021] (2) Alkaline treatment of loofah: 50% of the total mass of loofah with pulverization, mixed with 5% NaOH solution and 20% ethanol solution to azeotrope for 0.5h, washed with deionized water to pH after cooling is 7, dried at 60°C after suction filtration to obtain alkalized loofah;

[0022] (3) Acylated loofah: Add 5.0g of alkalized loofah and 20g of chloroform into a stoppered conical flask, stir for 10min under the protection of argon, add 2g of acryloyl chloride dropwise with a constant pressure funnel, drop After stirring for 10 minutes, add 3.5 mL of triethylamine dropwise with a constant pressure funnel. After the dropwise addition, stir at room temperature for 24 hours, filter, wash with chloroform and methanol in turn, and dry ...

Embodiment 2

[0026] 1) Loofah pretreatment: loofah is derived from loofah fruit, which is obtained by peeling and removing the core, cutting loofah into small pieces, washing with water, drying in vacuum, crushing, and sieving with a 60-mesh sieve;

[0027] (2) Alkali treatment of loofah: 50% of the total mass of loofah with pulverization, with a concentration of 5% NaOH solution and 20% ethanol solution to mix and immerse in azeotropic 1.0h, wash with deionized water to pH after cooling is 7, dried at 60°C after suction filtration to obtain alkalized loofah;

[0028](3) Acylated loofah: Add 4.0g of alkalized loofah and 15g of chloroform into a stoppered conical flask, stir for 10min under the protection of argon, add 2g of acryloyl chloride dropwise with a constant pressure funnel, drop After stirring for 10 minutes, add 2.5 mL of triethylamine dropwise with a constant pressure funnel. After the dropwise addition, stir at room temperature for 30 hours, filter, wash with chloroform and met...

Embodiment 3

[0032] (1) Loofah pretreatment: loofah is derived from loofah fruit, which is obtained by peeling and removing the core, cutting loofah into small pieces, washing with water, drying in vacuum, crushing, and sieving with a 60-mesh sieve;

[0033] (2) Alkali treatment of loofah: 50% of the total mass of loofah with pulverization, with a concentration of 5% NaOH solution and 20% ethanol solution to mix and immerse in azeotropic 2h, wash with deionized water after cooling until the pH is 7. After suction filtration, dry at 60°C to obtain alkalized loofah;

[0034] (3) Acylated loofah: In a stoppered conical flask, add 3.6g alkalized loofah and 25g chloroform, stir for 10min under the protection of argon, add 2.0g acryloyl chloride dropwise with a constant pressure funnel, Stir for 10 minutes after dropping, then add 3.0 mL of triethylamine dropwise with a constant pressure funnel, after the dropwise addition, stir at room temperature for 24 hours, filter, wash with chloroform and ...

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PUM

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Abstract

The invention discloses a surface artemisinin molecule imprinting adsorbing material of a vegetable sponge. The material is characterized characterized by being prepared by the following steps of: preparing a polymer by selecting vegetable sponge as a substrate material, taking artemisinin as a template molecule, taking itaconic acid and acrylamide as functional monomers, taking ethylene glycol dimethacrylate as a cross-linking agent, taking azodiisobutyronitrile as an initiator and taking N,N-dimethylformamide as a solvent; and removing the artemisinin by using a hexane-diethyl ether mixed solution. The invention further provides a preparation method and an application method of the surface artemisinin molecule imprinting adsorbing material of the vegetable sponge. The surface artemisinin molecule imprinting adsorbing material of the vegetable sponge can separate the artemisinin with a structural analogue under normal pressure and temperature conditions; and the surface artemisinin molecule molecular imprinting adsorbing material of the vegetable sponge has the advantages of specificity, selectivity, good mechanical performance, good chemical stability, fast adsorbing speed, easiness for being eluted, biodegradability, simple process, regeneration capability, environmental friendliness and the like.

Description

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Claims

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Application Information

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Owner UNIV OF JINAN
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