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Inventors: Li L, Huang J, Zhang ZL
Patent Title: Preparation method of magnetic molecularly imprinted polymer for separating/purifying sudan I
Publication date: 2012
Publication number: CN102432735

Abstract: The invention discloses a preparation method of a magnetic molecularly imprinted polymer for separating/purifying sudan I. The preparation method comprises the following steps of: dissolving the sudan I and methacrylic into acetonitrile; adding a cross-linking agent, an initiator and acetonitrile-based magnetic fluid; reacting in the absence of oxygen; separating microspheres generated by the reaction; and eluting the sudan I in the microspheres by adopting soxhlet extraction and drying. According to the preparation method disclosed by the invention, the magnetic fluid is added into the imprinted polymer; in the process of adsorbing and extracting a template molecule, the imprinted polymer can be directly added into a measured substance solution for adsorbing without being filled in a solid phase extraction column, and then imprinted polymer granules are gathered and separated by using a strong magnetic filed; and meanwhile, the imprinted polymer retains specific adsorption of the template molecule to the sudan, and thereby quick detection and analysis of the template molecule are realized.
URL: http://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120502&DB=EPODOC&locale=en_EP&CC=CN&NR=102432735A&KC=A&ND=4

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