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A preparation method and application of ganoderma acid a molecularly imprinted polymer

A technology of molecular imprinting and ganoderma acid, applied in chemical instruments and methods, ion exchange, and other chemical processes, can solve the problems of high cost, large consumption of organic solvents, cumbersome extraction and separation steps, etc., and achieve low cost and large adsorption capacity , The regeneration method is simple and feasible

Inactive Publication Date: 2018-09-25
NANJING UNIVERSITY OF TRADITIONAL CHINESE MEDICINE
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Problems solved by technology

However, no matter which of the above-mentioned traditional extraction and separation methods are adopted, the extraction and separation steps are cumbersome, the cost is high, the consumption of organic solvents is large, and it is difficult to obtain high-purity ganoderma triterpenoids simply and quickly.

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  • A preparation method and application of ganoderma acid a molecularly imprinted polymer
  • A preparation method and application of ganoderma acid a molecularly imprinted polymer
  • A preparation method and application of ganoderma acid a molecularly imprinted polymer

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Embodiment

[0034] Such as figure 1 Shown is a method for preparing a molecularly imprinted polymer of ganoderma acid A, that is, a method for preparing a molecularly imprinted polymer capable of directional separation and enrichment of ganoderma acid A.

[0035] Ganoderma lucidum was prepared by using ganoderma acid A as template molecule, chloroform as porogen, acrylamide as functional monomer, ethylene glycol dimethacrylate as crosslinking agent and azobisisobutyronitrile as initiator. Acid A molecularly imprinted polymer, the steps are as follows:

[0036] Dissolve 250mg of ganoderma acid A in 12mL of chloroform, then add 0.21g of acrylamide, shake fully for 30min, mix well, add 2.82mL of ethylene glycol dimethacrylate, shake for 15min, mix well, add 20mg of azobis Isobutyronitrile, mixed evenly, immediately filled with nitrogen gas for deoxygenation for 15 minutes, and sealed to obtain a reaction mixture.

[0037] The above reaction mixture was heated in a constant temperature wate...

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Abstract

The invention discloses a preparation method and application of a ganoderic acid A molecular imprinted polymer; with ganoderic acid A as a template molecule, chloroform as a pore-foaming agent, acrylamide as a functional monomer, ethylene glycol dimethacrylate as a crosslinking agent and azodiisobutyronitrile as an initiator, the ganoderic acid A molecular imprinted polymer is prepared. The ganoderic acid A molecular imprinted polymer prepared by the method has strong selectivity; when the ganoderic acid A molecular imprinted polymer is used for directional separation of ganoderic acid A in ganoderma lucidum, only ganoderic acid A and ganoderic acid C2 with a structure highly similar to that of ganoderic acid A can enter pore cavities of the imprinted polymer, and the imprinted polymer has strong selective adsorption on ganoderic acid A and ganoderic acid C2, adsorbs precious few other compounds, and has remarkable separation effect; and the preparation method has the advantages of simple process steps, low consumption of the organic solvent, low cost, more environmental friendliness, easy implementation, strong selectivity, large adsorption capacity, high purity and the like.

Description

technical field [0001] The invention relates to a preparation method and application of a molecularly imprinted polymer, in particular to a preparation method and application of a ganoderma acid A molecularly imprinted polymer, and belongs to the field of new materials. Background technique [0002] Molecular imprinting technique (MIT) is an emerging biomimetic technology for the preparation of highly specific and selective molecular recognition materials for specific target molecules. The basic principle is that the target compound is used as a template. In an appropriate medium, the template molecule is mixed with a functional monomer, and the functional monomer is oriented around the template molecule through covalent or intermolecular forces. Arranged to form molecular aggregates, and then cross-linked and fixed to form a polymer model; when the template molecules are removed, molecularly imprinted polymers (molecular imprinted polymers, MIPs), which in turn enable spec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F220/56C08F222/14C08J9/26B01J20/26B01J20/30B01D15/08
CPCB01D15/08B01J20/268B01J2220/4812B01J2220/58C08F220/56C08J9/26C08J2333/26C08F222/14
Inventor 乐巍邱蓉丽吴玉兰李璘邵霞
Owner NANJING UNIVERSITY OF TRADITIONAL CHINESE MEDICINE
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