分子印迹 - 固相萃取法选择性分离大黄酸的研究.pdf
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第29卷第5期 林 产 化 学 与 工 业 V01.29No.5
2009年lO月 and ofForestProducts 0ct.2009
ChemistryIndustry
分子印迹一固相萃取法选择性分离大黄酸的研究
段玉清,张海晖,徐菲菲,闰永胜,李金凤,梁凯
(江苏大学食品与生物工程学院,江苏镇江212013)
摘要: 以大黄酸(RH)为印迹分子,大孔壳聚糖为功能栽体,甲基丙烯酸为功能单体,制备大黄
与非印迹聚合物(NIP)相比,对大黄酸表现出较高的选择性和识别性。使大黄酸的质量分数由
DuAN
Yu—qing
平衡等温线。
关键词: 分子印迹聚合物;固相萃取;大黄酸
中图分类号:TQ351.0 文献标识码:A 文章编号:0253—2417(2009)05—0035—06
Selective ofRheinMolecular and
Separation by ImprintingPolymer
Extraction
Solid.phase
DUAN Hai·hui,XUFei-fei,YAN Kai
Yu—qing,ZHANG Yong—sheng,LIJin·feng,LIANG
ofFoodand
(School BiologicalEngineering,JiangsuUniversity,Zhenjiang212013,China)
chitosan
Abstract:Amolecularlyimprintedpolymer(MIP)wasusing molecule,nmcropomus
preparedrhein(RH)鹪imprinted
beads幽functionalmatrixand acid∞functionalmonomer.Theobtained wem
methacrylic molecularlyimprintedpolymers
evaluatedsolid extractionandHPLCwith totheirselective forrhein.MIPexhibited
by phase respect recognitionability higher
and forrheinin of the rhein
amixtureRH—MIPthan contentof
selectivityrecognitionability non—imprintedpolymer(NIP),and
w鹪increasedfrom16.55%to andFreundlich modelswere todescribethe
95.12%.Langmuir adsorption applied equilibrium
rhein
isothermsof adsorbedMIP.
by
words:molecular
Key imprintingpolymer;solid—p
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