Combined Application of Ionic Liquid and Hybrid Poly (Ionic Liquid)-Bonded Silica: An Alternative Method for Extraction, Separation and Determination of Flavonoids from Plants

REFERENCES

• Arribas , A. S. , E. Bermejo , M. Chicharro , and A. Zapardiel . 2007 . Application of matrix solid-phase dispersion to the propham and maleic hydrazide determination in potatoes by differential pulse voltammetry and HPLC . Talanta 71 : 430 – 436 .
   PubMed Web of Science ®Google Scholar
• Bi , W. , M. Tian , and K. H. Row . 2011 . Ultrasonication-assisted extraction and preconcentration of medicinal products from herb by ionic liquids . Talanta 85 : 701 – 706 .
   PubMed Web of Science ®Google Scholar
• Bi , W. , M. Tian , and K. H. Row . 2012a . Facile synthesis and application of poly(ionic liquid)-bonded silica hybrid materials . Analyst 137 : 201 – 2020 .
   Google Scholar
• Bi , W. , M. Tian , and K. H. Row . 2012b . Selective extraction and separation of oxymatrine from Sophora flavescens Ait. extract by silica-confined ionic liquid . J. Chromatogr. B 880 : 108 – 113 .
   PubMed Web of Science ®Google Scholar
• Chowdhury , S. A. , R. Vijayaraghavan , and D. R. MacFarlane . 2010 . Distillable ionic liquid extraction of tannins from plant materials . Green Chemistry 12 : 1023 – 1028 .
   Web of Science ®Google Scholar
• Du , F. Y. , X. H. Xiao , X. J. Luo , and G. K. Li . 2009 . Application of ionic liquids in the microwave assisted extraction of polyphenolic compounds from medicinal plants . Talanta 78 : 1177 – 1184 .
   PubMed Web of Science ®Google Scholar
• He , X. , W. Yang , L. Yuan , X. Pei , and J. Gao . 2009 . Fabrication of hollow polyelectrolyte nanospheres via surface-initiated atom transfer radical polymerization . Mater. Lett. 63 : 1138 – 1140 .
   Web of Science ®Google Scholar
• King , A. W. T. , J. Asikkala , I. Mutikainen , P. Järvi , and I. Kilpeläinen . 2011 . Distillable acid-base conjugate ionic liquids for cellulose dissolution and processing . Angew. Chem. Int. Ed. 50 : 6301 – 6305 .
   PubMed Web of Science ®Google Scholar
• Liu , R. , L. Xu , A. Li , and A. Sun . 2010. Preparative isolation of flavonoid compounds from Oroxylum indicum by high-speed counter-current chromatography by using ionic liquids as the modifier of two-phase solvent system. J. Sep. Sci. 33: 1058–1063.
   PubMed Web of Science ®Google Scholar
• Ma , W. , Y. Lu , R. Hu , J. Chen , Z. Zhang , and Y. Pan . 2010 . Application of ionic liquids based microwave-assisted extraction of three alkaloids N-nornuciferine, O-nornuciferine, and nuciferine from lotus leaf . Talanta 80 : 1292 – 1297 .
   PubMed Web of Science ®Google Scholar
• Marimuthu , P. , C. L. Wu , H. T. Chang , and S. T. Chang . 2008 . Antioxidant activity of methanolic extract from the bark of Chamaecyparis obtusa var Formosana . J. Sci. Food Agr. 88 : 1400 – 1405 .
   Web of Science ®Google Scholar
• Mori , H. , M. Yahagi , and T. Endo . 2009 . RAFT polymerization of n-vinylimidazolium salts and synthesis of thermoresponsive ionic liquid block copolymers . Macromolecules 42 : 8082 – 8092 .
   Web of Science ®Google Scholar
• Pernak , J. , and A. Czepukowicz . 2001 . New ionic liquids and their antielectrostatic properties . Ind. Eng. Chem. Res. 40 : 2379 – 2383 .
   Web of Science ®Google Scholar
• Qiu , H. , Q. Jiang , Z. Wei , X. Wang , X. Liu , and S. Jiang . 2007 . Preparation and evaluation of a silica-based 1-alkyl-3-(propyl-3-sulfonate) imidazolium zwitterionic stationary phase for high-performance liquid chromatography . J. Chromatogr. A 1163 : 63 – 69 .
   PubMed Web of Science ®Google Scholar
• Qiu , H. , M. Takafuji , X. Liu , S. Jiang , and H. Ihara . 2010a . Investigation of π–π and ion–dipole interactions on 1-allyl-3-butylimidazolium ionic liquid-modified silica stationary phase in reversed-phase liquid chromatography . J. Chromatogr. A 1217 : 5190 – 5196 .
   PubMed Web of Science ®Google Scholar
• Qiu , H. , M. Takafuji , S. Jiang , and H. Ihara . 2010c . Synthesis and characterization of poly(ionic liquid)-grafted silica hybrid materials through surface radical chain-transfer polymerization and aqueous anion-exchange . Mater. Lett. 64 : 1653 – 1655 .
   Web of Science ®Google Scholar
• Qiu , H. , M. Takafuji , T. Sawada , X. Liu , S. Jiang , and H. Ihara . 2010b . New strategy for drastic enhancement of selectivity via chemical modification of counter anions in ionic liquid polymer phase . Chem. Commun. 46 : 8740 – 8742 .
   PubMed Web of Science ®Google Scholar
• Su , Y. C. , C. L. Ho , and E. I. C. Wang . 2006 . Analysis of leaf essential oils from the indigenous five conifers of Taiwan . Flavour Frag. J. 21 : 447 – 452 .
   Web of Science ®Google Scholar
• Thomas , W. 1999 . Room-temperature ionic liquids: Solvents for synthesis and catalysis . Chem. Rev. 99 : 2071 – 2084 .
   PubMed Web of Science ®Google Scholar
• Tian , M. , W. Bi , and K. H. Row . 2012 . Simultaneous extraction and purification of myricetin from Chamaecyparis obtusa by multi-phase extraction with ionic liquid-modified mesoporous MCM-41 . J. Chem. Technol. Biotechnol. 87 : 165 – 169 .
   Web of Science ®Google Scholar
• Tian , M. , D. Han , and K. H. Row . 2011 . Preparation of molecularly imprinted polymer for extracting flavones from Chamaecyparis obtusa . Analy. Lett. 44 : 737 – 746 .
   Web of Science ®Google Scholar
• Yan , H. , F. Qiao , and K. H. Row . 2007 . Molecularly imprinted solid-phase extraction of diazepam and its metabolites from hair samples . Anal. Chem. 79 : 8242 – 8248 .
   PubMed Web of Science ®Google Scholar
• Yan , H. , H. Wang , J. Qiao , and G. Yang . 2011 . Molecularly imprinted matrix solid-phase dispersion combined with dispersive liquid-liquid microextraction for the determination of four Sudan dyes in egg yolk . J. Chromatogr. A 1218 : 2182 – 2188 .
   PubMed Web of Science ®Google Scholar