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Inventors: Li HZ, Xu CJ, Li DM, Chen YM, Wei Q
Patent Title: Preparation and application of sephadex surface apigenin molecular engram sorbing material
Publication date: 2012
Publication number: CN102617813

Abstract: The invention discloses a preparation method of sephadex surface apigenin molecular engram sorbing material as well as the application of the sephadex surface apigenin molecular engram sorbing material to selective adsorption separation of apigenin molecules in the analysis of foods and medicine. In the method, sephadex is taken as a support, and apigenin molecular engram polymer is decorated on the surface of the sephadex. The invention is characterized in that apigenin, acrylamide, ethylene-glycol dimethyl acrylate, azodiisobutyronitrile and acylation sephadex are added in a certain proportion; and in the medium of furanidine, argon gas is used to remove oxygen, an reaction lasts for 20 to 30 h in thermostatic water bath at the temperature of 60 to 65 DEG C, and then filtering and washing are performed. Acetic acid and methanol solution with the volume fraction of 12 to 18 percent is used for Soxhlet extraction for 12 to 22 h so as to remove apigenin template molecules, and then the material is obtained through washing and drying. The invention has the advantages that a specific recognition capability to apigenin molecules is achieved, the selectivity is high, the adsorbing speed is fast, the adsorbing performance is excellent, the biological degradation is achieved, the process is simple, and regeneration capability and environmental protection are achieved.
URL: http://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120801&DB=EPODOC&locale=en_EP&CC=CN&NR=102617813A&KC=A&ND=1

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