NDLI: Synthesis of chlorogenic acid imprinted chromatographic packing by surface-initiated atom transfer radical polymerization and its application

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Synthesis of chlorogenic acid imprinted chromatographic packing by surface-initiated atom transfer radical polymerization and its application

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Synthesis of chlorogenic acid imprinted chromatographic packing by surface-initiated atom transfer radical polymerization and its application

Content Provider	Springer Nature Link
Author	Niu, Yuling Wang, Yue Gong, Yanru Gong, Bolin Ma, Meihua
Copyright Year	2014
Abstract	A novel chromatographic packing of chlorogenic acid(CGA) molecularly imprinted polymer(MIP) based on the 5.0 μm silica was prepared by surface initiated atom transfer radical polymerization(SI-ATRP) with 4-vinylpyridine(4-VP) as functional monomer, ethyl glycol dimethacrylate(EDMA) as cross-linker in the mixture of methanol and water(7:3, volume ratio) under mild reaction conditions. The characteristics of CGA MIP were investigated by elemental analysis, thermogravimetric analysis(TGA), Fourier transform infrared spectrometry(FTIR) and atomic force microscopy(AFM). The effects of some chromatographic conditions such as mobile phase composition and temperature on the retention time were investigated. The adsorption capacity of the stationary phase for compounds was determined by frontal chromatographic technique. The results show that Freundlich isotherm fits the experimental adsorption isotherm data better than Langmuir model does. The relatively high heterogeneity index values regressed with the Freundlich isotherm suggest the formation of fairly homogeneous MIP. Thermodynamic data(ΔΔH and ΔΔS) obtained by van’t Hoff plots reveal an entropy-controlled separation. The CGA MIP column was shown to be successful for the separation and purification of chlorogenic acid from the extract of Honeysuckle.
Starting Page	855
Ending Page	862
Page Count	8
File Format	PDF
ISSN	10059040
Journal	Chemical Research in Chinese Universities
Volume Number	30
Issue Number	5
e-ISSN	22103171
Language	English
Publisher	Jilin University and The Editorial Department of Chemical Research in Chinese Universities
Publisher Date	2014-09-16
Publisher Place	Changchun
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Chemistry/Food Science Analytical Chemistry Physical Chemistry Honeysuckle Chlorogenic acid Inorganic Chemistry Molecularly imprinted chromatographic packing Surface initiated atom transfer radical polymerization Organic Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry Education

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