Anabasine pesticide fluorescence molecular imprinting polymeric microsphere preparation method and performance evaluation method thereof

A fluorescent molecular imprinting, neonicotinoid technology, applied in the directions of alkali metal compounds, fluorescence/phosphorescence, chemical instruments and methods, etc., can solve the problems of high cost, complicated operation method, increase the number and cost of extraction of target substances, etc. The effect of reducing the number of extractions and costs, and the simple operation method

Active Publication Date: 2017-07-04
INST OF VEGETABLE & FLOWERS CHINESE ACAD OF AGRI SCI
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Problems solved by technology

[0008] In view of this, the preparation method and performance evaluation method of neonicotinoid pesticide fluorescent molecularly imprinted polymer microspheres provided by the present invention are aimed at solving the problem that most of the current preparations of neonicotinoid pesticide molecularly imprinted polyme

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  • Anabasine pesticide fluorescence molecular imprinting polymeric microsphere preparation method and performance evaluation method thereof
  • Anabasine pesticide fluorescence molecular imprinting polymeric microsphere preparation method and performance evaluation method thereof
  • Anabasine pesticide fluorescence molecular imprinting polymeric microsphere preparation method and performance evaluation method thereof

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Embodiment Construction

[0055] In order to facilitate the understanding of the present invention, the technical solution of the present invention will be described in detail below in combination with embodiments, and many specific details are set forth in the following description so as to fully understand the present invention.

[0056] However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.

[0057] Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the definitions in this specification shall prevail.

[0058] As used herein:

[0059] "Prepared from" is synonymous with "comprising". A...

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Abstract

The invention discloses an anabasine pesticide fluorescence molecular imprinting polymeric microsphere preparation method and a performance evaluation method thereof. The preparation method comprises the following steps: taking template molecule clothianidin and imidacloprid, mixing the materials with 3-aminopropyltriethoxysilane, performing pre-assembly to obtain a first reaction solution; adding fluorescence SiO2 nano microsphere, tetraethoxysilane and ammoniacal liquor in the first reaction solution for a reaction to obtain a second reaction solution; and performing steps of centrifugation, washing and separation on the second reaction solution to obtain the product. The double-template molecular imprinting method is used for preparing a imprinting material capable of specifically identifying and absorbing a plurality of anabasine pesticides, extraction frequency and cost can be reduced, operation method is simple, the requirement of detection technology for multiple residue of the anabasine pesticides can be completely satisfied, and the problem that the single pesticide component is taken as the template molecule, so that several molecular imprinting polymers are subjected to batch synthesis for enriching anabasine pesticide target objects can be avoided.

Description

technical field [0001] The invention relates to the preparation technology of environmental functional materials, in particular to a preparation method and performance evaluation method of neonicotinoid pesticide fluorescent molecularly imprinted polymer microspheres. Background technique [0002] Nanospheres are small balls with a particle size of micron, which are widely used as liquid crystal spacers, drug carriers, enzyme carriers, etc. [0003] Nano-microsphere preparations can not only achieve long-acting goals by regulating and controlling the release rate of drugs, but also protect drugs from degradation by enzymes in the body, mask the bad taste of drugs, reduce the number of administration and drug stimulation, and reduce toxicity And adverse reactions, improve curative effect. In addition, microspheres also have a special affinity with certain cell tissues, and can be endocytosed by the reticuloendothelial system of organ tissues or fused by cells, concentrate in...

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Application Information

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IPC IPC(8): B01J20/26B01J20/28B01J20/30G01N21/64G01N30/02
CPCB01J20/268B01J20/28016G01N21/6428G01N30/02
Inventor 刘广洋徐东辉刘中笑黄晓东李凌云林桓郑姝宁张延国
Owner INST OF VEGETABLE & FLOWERS CHINESE ACAD OF AGRI SCI
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