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Volumn 47, Issue 2, 2012, Pages 264-276

Ionic Liquid-Based Surfactants in Separation Science

Author keywords

capillary electrophoresis; high performance liquid chromatography; ionic liquid surfactants; ionic liquids; surfactants

Indexed keywords

ANALYTICAL PERFORMANCE; ELECTROKINETIC; EXTRACTANTS; INTERFACIAL BEHAVIORS; MICELLAR COMPONENTS; MOBILE PHASE; SEPARATION SCIENCE; STATIONARY PHASE;

EID: 84863118790     PISSN: 01496395     EISSN: 15205754     Source Type: Journal    
DOI: 10.1080/01496395.2011.620589     Document Type: Review
Times cited : (93)

References (82)
  • 1
    • 79955884563 scopus 로고    scopus 로고
    • Room-temperature ionic liquids: Solvents for synthesis and catalysis, 2
    • Hallett, J.P, Welton, T. (2011) Room-temperature ionic liquids: Solvents for synthesis and catalysis, 2. Chem. Rev., 111: 3508 - 3576.
    • (2011) Chem. Rev. , vol.111 , pp. 3508-3576
    • Hallett, J.P.1    Welton, T.2
  • 2
    • 74549152920 scopus 로고    scopus 로고
    • Ionic liquids in analytical chemistry
    • Sun, P, Armstrong, D.W. (2010) Ionic liquids in analytical chemistry. Anal. Chim. Acta, 661 (1): 1 - 16.
    • (2010) Anal. Chim. Acta , vol.661 , Issue.1 , pp. 1-16
    • Sun, P.1    Armstrong, D.W.2
  • 3
    • 34247542491 scopus 로고    scopus 로고
    • Application of ionic liquids in liquid chromatography
    • Marszall, M.P, Kaliszan, R. (2007) Application of ionic liquids in liquid chromatography. Crit. Rev. Anal. Chem., 37 (2): 127 - 140.
    • (2007) Crit. Rev. Anal. Chem. , vol.37 , Issue.2 , pp. 127-140
    • Marszall, M.P.1    Kaliszan, R.2
  • 4
    • 77950157358 scopus 로고    scopus 로고
    • Extraction of organic compounds with room temperature ionic liquids
    • Poole, C.F, Poole, S.K. (2010) Extraction of organic compounds with room temperature ionic liquids. J. Chromatogr. A, 1217 (16): 2268 - 2286.
    • (2010) J. Chromatogr. A , vol.1217 , Issue.16 , pp. 2268-2286
    • Poole, C.F.1    Poole, S.K.2
  • 5
    • 2342518244 scopus 로고    scopus 로고
    • Chromatographic and spectroscopic methods for the determination of solvent properties of room temperature ionic liquids
    • Poole, C.F. (2004) Chromatographic and spectroscopic methods for the determination of solvent properties of room temperature ionic liquids. J. Chromatogr. A, 1037 (1-2): 49 - 82.
    • (2004) J. Chromatogr. A , vol.1037 , Issue.1-2 , pp. 49-82
    • Poole, C.F.1
  • 6
    • 7244251959 scopus 로고    scopus 로고
    • Analytical applications of organized assemblies for on-line spectrometric determinations: Present and future
    • Burguera, J.L, Burguera, M. (2004) Analytical applications of organized assemblies for on-line spectrometric determinations: Present and future. Talanta, 64 (5): 1099 - 1108.
    • (2004) Talanta , vol.64 , Issue.5 , pp. 1099-1108
    • Burguera, J.L.1    Burguera, M.2
  • 7
    • 79956311114 scopus 로고    scopus 로고
    • Surfactant-based extraction methods
    • Yazdi, A.S. (2011) Surfactant-based extraction methods. Trac-Trends Anal. Chem., 30 (6): 918 - 929.
    • (2011) Trac-Trends Anal. Chem. , vol.30 , Issue.6 , pp. 918-929
    • Yazdi, A.S.1
  • 8
    • 0033901932 scopus 로고    scopus 로고
    • Solubilization of an ionic liquid, 1-butyl-3-methylimidazolium hexafluorophosphate, in a surfactant-water system. Ionic liquids as modulators of the critical micelle concentration of sodium dodecyl sulfate
    • Friberg, S.E, Yin, Q, Pavel, F, Mackay, R.A, Holbrey, J.D, Seddon, K.R, Aikens, P.A. (2000) Solubilization of an ionic liquid, 1-butyl-3-methylimidazolium hexafluorophosphate, in a surfactant-water system. Ionic liquids as modulators of the critical micelle concentration of sodium dodecyl sulfate. J. Dispersion Sci. Technol., 21 (2): 185 - 197.
    • (2000) J. Dispersion Sci. Technol. , vol.21 , Issue.2 , pp. 185-197
    • Friberg, S.E.1    Yin, Q.2    Pavel, F.3    Mackay, R.A.4    Holbrey, J.D.5    Seddon, K.R.6    Aikens, P.A.7
  • 9
    • 2342515284 scopus 로고    scopus 로고
    • Ionic liquids as modulators of the critical micelle concentration of sodium dodecyl sulfate
    • Beyaz, A, Oh, W.S, Reddy, V.P. (2004) Ionic liquids as modulators of the critical micelle concentration of sodium dodecyl sulfate. Colloid Surf. B-Biointerfaces, 35 (2): 119 - 124.
    • (2004) Colloid Surf. B-Biointerfaces , vol.35 , Issue.2 , pp. 119-124
    • Beyaz, A.1    Oh, W.S.2    Reddy, V.P.3
  • 10
    • 3142585206 scopus 로고    scopus 로고
    • Synthesis and CMC studies of 1-methyl-3-(pentafluorophenyl)imidazolium quaternary salts
    • Beyaz, A, Oh, W.S, Reddy, V.P. (2004) Synthesis and CMC studies of 1-methyl-3-(pentafluorophenyl)imidazolium quaternary salts. Colloid Surf. B-Biointerfaces, 36 (2): 71 - 74.
    • (2004) Colloid Surf. B-Biointerfaces , vol.36 , Issue.2 , pp. 71-74
    • Beyaz, A.1    Oh, W.S.2    Reddy, V.P.3
  • 12
    • 0346497605 scopus 로고    scopus 로고
    • Surfactant aggregation within room-temperature ionic liquid 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide
    • Fletcher, K.A, Pandey, S. (2004) Surfactant aggregation within room-temperature ionic liquid 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide. Langmuir, 20 (1): 33 - 36.
    • (2004) Langmuir , vol.20 , Issue.1 , pp. 33-36
    • Fletcher, K.A.1    Pandey, S.2
  • 13
    • 19244375331 scopus 로고    scopus 로고
    • Behaviour of a binary solvent mixture constituted by an amphiphilic ionic liquid, 1-decyl-3-methylimidazolium bromide and water potentiometric and conductimetric studies
    • Sirieix-Plénet, J, Gaillon, L, Letellier, P. (2004) Behaviour of a binary solvent mixture constituted by an amphiphilic ionic liquid, 1-decyl-3-methylimidazolium bromide and water potentiometric and conductimetric studies. Talanta, 63 (4): 979 - 986.
    • (2004) Talanta , vol.63 , Issue.4 , pp. 979-986
    • Sirieix-Plénet, J.1    Gaillon, L.2    Letellier, P.3
  • 14
    • 1842582677 scopus 로고    scopus 로고
    • Aggregation behavior of aqueous solutions of ionic liquids
    • Bowers, J, Butts, C.P, Martin, P.J, Vergara-Gutierrez, M.C. (2004) Aggregation behavior of aqueous solutions of ionic liquids. Langmuir, 20 (6): 2191 - 2198.
    • (2004) Langmuir , vol.20 , Issue.6 , pp. 2191-2198
    • Bowers, J.1    Butts, C.P.2    Martin, P.J.3    Vergara-Gutierrez, M.C.4
  • 15
    • 10344225057 scopus 로고    scopus 로고
    • Aggregation and micelle formation of ionic liquids in aqueous solution
    • Miskolczy, Z, Sebök-Nagy, K, Biczók, L, Göktürk, S. (2004) Aggregation and micelle formation of ionic liquids in aqueous solution. Chem. Phys. Lett., 400 (4-6): 296 - 300.
    • (2004) Chem. Phys. Lett. , vol.400 , Issue.4-6 , pp. 296-300
    • Miskolczy, Z.1    Sebök-Nagy, K.2    Biczók, L.3    Göktürk, S.4
  • 16
    • 33748574959 scopus 로고    scopus 로고
    • Micropolarity and aggregation behavior in ionic liquid + organic solvent solutions
    • Li, W, Zhang, Z, Zhang, J, Han, B, Wang, B, Hou, M, Xie, Y. (2006) Micropolarity and aggregation behavior in ionic liquid + organic solvent solutions. Fluid Phase Equilib., 248 (2): 211 - 216.
    • (2006) Fluid Phase Equilib. , vol.248 , Issue.2 , pp. 211-216
    • Li, W.1    Zhang, Z.2    Zhang, J.3    Han, B.4    Wang, B.5    Hou, M.6    Xie, Y.7
  • 17
    • 33947328388 scopus 로고    scopus 로고
    • Micelle formation of 1-alkyl-3-methylimidazolium bromide ionic liquids in aqueous solution
    • Vanyúr, R, Biczók, L, Miskolczy, Z. (2007) Micelle formation of 1-alkyl-3-methylimidazolium bromide ionic liquids in aqueous solution. Colloid Surf. A-Physicochem. Eng. Asp., 299 (1-3): 256 - 261.
    • (2007) Colloid Surf. A-Physicochem. Eng. Asp. , vol.299 , Issue.1-3 , pp. 256-261
    • Vanyúr, R.1    Biczók, L.2    Miskolczy, Z.3
  • 18
    • 34248223088 scopus 로고    scopus 로고
    • Interfacial and micellar properties of imidazolium-based monocationic and dicationic ionic liquids
    • Baltazar, Q.Q, Chandawalla, J, Sawyer, K, Anderson, J.L. (2007) Interfacial and micellar properties of imidazolium-based monocationic and dicationic ionic liquids. Colloid Surf. A-Physicochem. Eng. Asp., 302 (1-3): 150 - 156.
    • (2007) Colloid Surf. A-Physicochem. Eng. Asp. , vol.302 , Issue.1-3 , pp. 150-156
    • Baltazar, Q.Q.1    Chandawalla, J.2    Sawyer, K.3    Anderson, J.L.4
  • 19
    • 63249115379 scopus 로고    scopus 로고
    • Micellization and interfacial behavior of imidazolium-based ionic liquids in organic solvent-water mixtures
    • Pino, V, Yao, C, Anderson, J.L. (2009) Micellization and interfacial behavior of imidazolium-based ionic liquids in organic solvent-water mixtures. J. Colloid Interface Sci., 333 (2): 548 - 556.
    • (2009) J. Colloid Interface Sci. , vol.333 , Issue.2 , pp. 548-556
    • Pino, V.1    Yao, C.2    Anderson, J.L.3
  • 20
    • 79953063297 scopus 로고    scopus 로고
    • Aggregation of imidazolium based ionic liquids in binary methanol-water solvents: A linear solvation free energy relationship study
    • Hemmateenejad, B, Safavi, A, Dorostkar, S. (2011) Aggregation of imidazolium based ionic liquids in binary methanol-water solvents: A linear solvation free energy relationship study. J. Mol. Liq., 160 (1): 35 - 39.
    • (2011) J. Mol. Liq. , vol.160 , Issue.1 , pp. 35-39
    • Hemmateenejad, B.1    Safavi, A.2    Dorostkar, S.3
  • 21
    • 34248166451 scopus 로고    scopus 로고
    • Influence of the molecular structure on the aggregation of imidazolium ionic liquids in aqueous solutions
    • Modaressi, A, Sifaoui, H, Mielcarz, M, Domanska, U, Rogalski, M. (2007) Influence of the molecular structure on the aggregation of imidazolium ionic liquids in aqueous solutions. Colloid Surf. A-Physicochem. Eng. Asp., 302 (1-3): 181 - 185.
    • (2007) Colloid Surf. A-Physicochem. Eng. Asp. , vol.302 , Issue.1-3 , pp. 181-185
    • Modaressi, A.1    Sifaoui, H.2    Mielcarz, M.3    Domanska, U.4    Rogalski, M.5
  • 22
    • 43049109079 scopus 로고    scopus 로고
    • Surface tension of binary mixtures of imidazolium and ammonium based ionic liquids with alcohols, or water: Cation, anion effect
    • Domanska, U, Pobudkowska, A, Rogalski, M. (2008) Surface tension of binary mixtures of imidazolium and ammonium based ionic liquids with alcohols, or water: Cation, anion effect. J. Colloid Interface Sci., 322 (1): 342 - 350.
    • (2008) J. Colloid Interface Sci. , vol.322 , Issue.1 , pp. 342-350
    • Domanska, U.1    Pobudkowska, A.2    Rogalski, M.3
  • 23
    • 34447291317 scopus 로고    scopus 로고
    • Synthesis and micellar properties of surface-active ionic liquids: 1-Alkyl-3-methylimidazolium chlorides
    • El Seoud, O.A, Pires, P.A.R, Abdel-Moghny, T, Bastos, E.L. (2007) Synthesis and micellar properties of surface-active ionic liquids: 1-Alkyl-3-methylimidazolium chlorides. J. Colloid Interface Sci., 313 (1): 296 - 304.
    • (2007) J. Colloid Interface Sci. , vol.313 , Issue.1 , pp. 296-304
    • El Seoud, O.A.1    Pires, P.A.R.2    Abdel-Moghny, T.3    Bastos, E.L.4
  • 24
    • 34547545561 scopus 로고    scopus 로고
    • Electrical conductivity study on micelle formation of long-chain imidazolium ionic liquids in aqueous solution
    • Inoue, T, Ebina, H, Dong, B, Zheng, L. (2007) Electrical conductivity study on micelle formation of long-chain imidazolium ionic liquids in aqueous solution. J. Colloid Interface Sci., 314 (1): 236 - 241.
    • (2007) J. Colloid Interface Sci. , vol.314 , Issue.1 , pp. 236-241
    • Inoue, T.1    Ebina, H.2    Dong, B.3    Zheng, L.4
  • 25
    • 39149109270 scopus 로고    scopus 로고
    • Aggregation behavior of long-chain imidazolium ionic liquids in aqueous solution: Micellization and characterization of micelle microenvironment
    • Dong, B.; Zhao, X.; Zheng, L.; Zhang, J.; Li, N.; Inoue, T. (2008) Aggregation behavior of long-chain imidazolium ionic liquids in aqueous solution: Micellization and characterization of micelle microenvironment. Colloid Surf. A-Physicochem. Eng. Asp., 317 (1-3): 666-672.
    • (2008) Colloid Surf. A-Physicochem. Eng. Asp. , vol.317 , Issue.1-3 , pp. 666-672
    • Dong, B.1    Zhao, X.2    Zheng, L.3    Zhang, J.4    Li, N.5    Inoue, T.6
  • 27
    • 40649089361 scopus 로고    scopus 로고
    • Self-aggregation of ionic liquids in aqueous media: A thermodynamic study
    • Singh, T, Kumar, A. (2008) Self-aggregation of ionic liquids in aqueous media: A thermodynamic study. Colloid Surf. A-Physicochem. Eng. Asp., 318 (1-3): 263 - 268.
    • (2008) Colloid Surf. A-Physicochem. Eng. Asp. , vol.318 , Issue.1-3 , pp. 263-268
    • Singh, T.1    Kumar, A.2
  • 28
    • 79955494592 scopus 로고    scopus 로고
    • Aggregation behavior modulation of 1-dodecyl-3-methylimidazolium bromide by organic solvents in aqueous solution
    • Wang, J, Zhang, L, Wang, H, Wu, C. (2011) Aggregation behavior modulation of 1-dodecyl-3-methylimidazolium bromide by organic solvents in aqueous solution. J. Phys. Chem. B, 115 (17): 4955 - 4962.
    • (2011) J. Phys. Chem. B , vol.115 , Issue.17 , pp. 4955-4962
    • Wang, J.1    Zhang, L.2    Wang, H.3    Wu, C.4
  • 29
    • 33749471589 scopus 로고    scopus 로고
    • Synthesis, characterization, and application of chiral ionic liquids and their polymers in micellar electrokinetic chromatography
    • Rizvi, S.A.A, Shamsi, S.A. (2006) Synthesis, characterization, and application of chiral ionic liquids and their polymers in micellar electrokinetic chromatography. Anal. Chem., 78 (19): 7061 - 7069.
    • (2006) Anal. Chem. , vol.78 , Issue.19 , pp. 7061-7069
    • Rizvi, S.A.A.1    Shamsi, S.A.2
  • 30
    • 66249089859 scopus 로고    scopus 로고
    • Using the cationic surfactants N-cetyl-N-methylpyrrolidinium bromide and 1-cetyl-3-methylimidazolium bromide for sweeping-micellar electrokinetic chromatography
    • Su, H.-L, Lan, M.-T, Hsieh, Y.-Z. (2009) Using the cationic surfactants N-cetyl-N-methylpyrrolidinium bromide and 1-cetyl-3-methylimidazolium bromide for sweeping-micellar electrokinetic chromatography. J. Chromatogr. A, 1216 (27): 5313 - 5319.
    • (2009) J. Chromatogr. A , vol.1216 , Issue.27 , pp. 5313-5319
    • Su, H.-L.1    Lan, M.-T.2    Hsieh, Y.-Z.3
  • 31
    • 7244260341 scopus 로고    scopus 로고
    • A new class of cationic surfactants inspired by N-alkyl-N-methyl pyrrolidinium ionic liquids
    • Baker, G.A, Pandey, S, Pandey, S, Baker, S.N. (2004) A new class of cationic surfactants inspired by N-alkyl-N-methyl pyrrolidinium ionic liquids. Analyst, 129 (10): 890 - 892.
    • (2004) Analyst , vol.129 , Issue.10 , pp. 890-892
    • Baker, G.A.1    Pandey, S.2    Pandey, S.3    Baker, S.N.4
  • 32
    • 34247364124 scopus 로고    scopus 로고
    • Surface adsorption and Micelle formation of surface active ionic liquids in aqueous solution
    • Dong, B, Li, N, Zheng, L, Yu, L, Inoue, T. (2007) Surface adsorption and Micelle formation of surface active ionic liquids in aqueous solution. Langmuir, 23 (8): 4178 - 4182.
    • (2007) Langmuir , vol.23 , Issue.8 , pp. 4178-4182
    • Dong, B.1    Li, N.2    Zheng, L.3    Yu, L.4    Inoue, T.5
  • 35
    • 77649193175 scopus 로고    scopus 로고
    • Micellar properties of surface active ionic liquids: A comparison of 1-hexadecyl-3-methylimidazolium chloride with structurally related cationic surfactants
    • Galgano, P.D, El Seoud, O.A. (2010) Micellar properties of surface active ionic liquids: A comparison of 1-hexadecyl-3-methylimidazolium chloride with structurally related cationic surfactants. J. Colloid Interface Sci., 345 (1): 1 - 11.
    • (2010) J. Colloid Interface Sci. , vol.345 , Issue.1 , pp. 1-11
    • Galgano, P.D.1    El Seoud, O.A.2
  • 36
    • 75649088894 scopus 로고    scopus 로고
    • Self-aggregation behavior of fluorescent carbazole-tailed imidazolium ionic liquids in aqueous solutions
    • Dong, B, Gao, Y, Su, Y, Zheng, L, Xu, J, Inoue, T. (2010) Self-aggregation behavior of fluorescent carbazole-tailed imidazolium ionic liquids in aqueous solutions. J. Phys. Chem. B, 114 (1): 340 - 348.
    • (2010) J. Phys. Chem. B , vol.114 , Issue.1 , pp. 340-348
    • Dong, B.1    Gao, Y.2    Su, Y.3    Zheng, L.4    Xu, J.5    Inoue, T.6
  • 37
    • 85027933207 scopus 로고    scopus 로고
    • Synthesis and self-aggregation of a hydroxyl-functionalized imidazolium-based ionic liquid surfactant in aqueous solution
    • Liu, X.-F, Dong, L.-L, Fang, Y. (2011) Synthesis and self-aggregation of a hydroxyl-functionalized imidazolium-based ionic liquid surfactant in aqueous solution. J. Surfact. Deterg., 14 (2): 203 - 210.
    • (2011) J. Surfact. Deterg. , vol.14 , Issue.2 , pp. 203-210
    • Liu, X.-F.1    Dong, L.-L.2    Fang, Y.3
  • 38
    • 40649094233 scopus 로고    scopus 로고
    • Investigation of the hygroscopic growth of self-assembled layers of N-alkyl-N-methylpyrrolidinium bromides at the interface between air and organic salt
    • Shin, Y, Baker, G.A, Wang, L.-Q, Exarhos, G.J. (2008) Investigation of the hygroscopic growth of self-assembled layers of N-alkyl-N-methylpyrrolidinium bromides at the interface between air and organic salt. Colloid Surf. A-Physicochem. Eng. Asp., 318 (1-3): 254 - 258.
    • (2008) Colloid Surf. A-Physicochem. Eng. Asp. , vol.318 , Issue.1-3 , pp. 254-258
    • Shin, Y.1    Baker, G.A.2    Wang, L.-Q.3    Exarhos, G.J.4
  • 39
    • 77957919956 scopus 로고    scopus 로고
    • Synthesis of a new zwitterionic surfactant containing an imidazolium ring: Evaluating the chameleon-like behavior of zwitterionic micelles
    • Tondo, D.W, Leopoldino, E.C, Souza, B.S, Micke, G.A, Costa, A.C.O, Fiedler, H.D, Bunton, C.A, Nome, F. (2010) Synthesis of a new zwitterionic surfactant containing an imidazolium ring: Evaluating the chameleon-like behavior of zwitterionic micelles. Langmuir, 26 (20): 15754 - 15760.
    • (2010) Langmuir , vol.26 , Issue.20 , pp. 15754-15760
    • Tondo, D.W.1    Leopoldino, E.C.2    Souza, B.S.3    Micke, G.A.4    Costa, A.C.O.5    Fiedler, H.D.6    Bunton, C.A.7    Nome, F.8
  • 40
    • 79959781403 scopus 로고    scopus 로고
    • Synthesis, characterization and comparative evaluation of phenoxy ring containing long chain gemini imidazolium and pyridinium amphiphiles
    • Bhadani, A, Kataria, H, Singh, S. (2011) Synthesis, characterization and comparative evaluation of phenoxy ring containing long chain gemini imidazolium and pyridinium amphiphiles. J. Colloid Interface Sci., 361 (1): 33 - 41.
    • (2011) J. Colloid Interface Sci. , vol.361 , Issue.1 , pp. 33-41
    • Bhadani, A.1    Kataria, H.2    Singh, S.3
  • 41
    • 0036010933 scopus 로고    scopus 로고
    • Dimeric (Gemini) Surfactants: Effect of the spacer group on the association behavior in aqueous solution
    • Zana, R. (2002) Dimeric (Gemini) Surfactants: Effect of the spacer group on the association behavior in aqueous solution. J. Colloid Interface Sci., 248 (2): 203 - 220.
    • (2002) J. Colloid Interface Sci. , vol.248 , Issue.2 , pp. 203-220
    • Zana, R.1
  • 42
    • 0346497602 scopus 로고    scopus 로고
    • Effect of the nature of the spacer on the aggregation properties of gemini surfactants in an aqueous solution
    • Wang, X, Wang, J, Wang, Y, Yan, H. (2004) Effect of the nature of the spacer on the aggregation properties of gemini surfactants in an aqueous solution. Langmuir, 20 (1): 53 - 56.
    • (2004) Langmuir , vol.20 , Issue.1 , pp. 53-56
    • Wang, X.1    Wang, J.2    Wang, Y.3    Yan, H.4
  • 43
    • 33947636668 scopus 로고    scopus 로고
    • Examination of analyte partitioning to monocationic and dicationic imidazolium-based ionic liquid aggregates using solid-phase microextraction-gas chromatography
    • Pino, V, Baltazar, Q.Q, Anderson, J.L. (2007) Examination of analyte partitioning to monocationic and dicationic imidazolium-based ionic liquid aggregates using solid-phase microextraction-gas chromatography. J. Chromatogr. A, 1148 (1): 92 - 99.
    • (2007) J. Chromatogr. A , vol.1148 , Issue.1 , pp. 92-99
    • Pino, V.1    Baltazar, Q.Q.2    Anderson, J.L.3
  • 44
    • 58149461820 scopus 로고    scopus 로고
    • Utilization of solid-phase microextraction-high-performance liquid chromatography in the determination of aromatic analyte partitioning to imidazolium-based ionic liquid micelles
    • Yao, C, Pino, V, Anderson, J.L. (2009) Utilization of solid-phase microextraction-high-performance liquid chromatography in the determination of aromatic analyte partitioning to imidazolium-based ionic liquid micelles. J. Chromatogr. A, 1216 (6): 948 - 955.
    • (2009) J. Chromatogr. A , vol.1216 , Issue.6 , pp. 948-955
    • Yao, C.1    Pino, V.2    Anderson, J.L.3
  • 45
    • 3543025137 scopus 로고    scopus 로고
    • Solid-phase microextraction coupled to gas chromatography/mass spectrometry for determining polycyclic aromatic hydrocarbon-micelle partition coefficients
    • Pino, V, Ayala, J.H, González, V, Afonso, A.M. (2004) Solid-phase microextraction coupled to gas chromatography/mass spectrometry for determining polycyclic aromatic hydrocarbon-micelle partition coefficients. Anal. Chem., 76 (15): 4572 - 4578.
    • (2004) Anal. Chem. , vol.76 , Issue.15 , pp. 4572-4578
    • Pino, V.1    Ayala, J.H.2    González, V.3    Afonso, A.M.4
  • 46
    • 28444448316 scopus 로고    scopus 로고
    • Study of the interactions between phenolic compounds and micellar media using micellar solid-phase microextraction/gas chromatography
    • Pino, V, Conde, F.J, Ayala, J.H, Afonso, A.M, González, V. (2005) Study of the interactions between phenolic compounds and micellar media using micellar solid-phase microextraction/gas chromatography. J. Chromatogr. A, 1099 (1-2): 64 - 74.
    • (2005) J. Chromatogr. A , vol.1099 , Issue.1-2 , pp. 64-74
    • Pino, V.1    Conde, F.J.2    Ayala, J.H.3    Afonso, A.M.4    González, V.5
  • 47
    • 32444447143 scopus 로고    scopus 로고
    • Correlations between phenols-micelles partition coefficients and several molecular descriptors. An approach to predict the phenols behaviour in MSPME
    • Pino, V, Conde, F.J, Ayala, J.H, González, V, Afonso, A.M. (2006) Correlations between phenols-micelles partition coefficients and several molecular descriptors. An approach to predict the phenols behaviour in MSPME. Chromatographia, 63 (3-4): 167 - 174.
    • (2006) Chromatographia , vol.63 , Issue.3-4 , pp. 167-174
    • Pino, V.1    Conde, F.J.2    Ayala, J.H.3    González, V.4    Afonso, A.M.5
  • 48
    • 33847632930 scopus 로고    scopus 로고
    • Micellar solid-phase microextraction for determining partition coefficients of substituted polycyclic aromatic hydrocarbons in micellar media: Possible prediction of hydrocarbon-micelle behavior
    • Pino, V, Afonso, A.M, Ayala, J.H, González, V. (2007) Micellar solid-phase microextraction for determining partition coefficients of substituted polycyclic aromatic hydrocarbons in micellar media: Possible prediction of hydrocarbon-micelle behavior. Anal. Bioanal. Chem., 387 (6): 2271 - 2281.
    • (2007) Anal. Bioanal. Chem. , vol.387 , Issue.6 , pp. 2271-2281
    • Pino, V.1    Afonso, A.M.2    Ayala, J.H.3    González, V.4
  • 49
    • 0001021998 scopus 로고
    • Evaluation and optimization of the factors affecting nonionic surfactant-mediated phase separations
    • Frankewlcht, R.P, Hinze, W.L. (1994) Evaluation and optimization of the factors affecting nonionic surfactant-mediated phase separations. Anal. Chem., 66 (7): 944 - 954.
    • (1994) Anal. Chem. , vol.66 , Issue.7 , pp. 944-954
    • Frankewlcht, R.P.1    Hinze, W.L.2
  • 50
    • 4444226995 scopus 로고    scopus 로고
    • The use of micellar systems in the extraction and pre-concentration of organic pollutants in environmental samples
    • Sosa-Ferrera, Z, Padrón-Sanz, C, Mahugo-Santana, C, Santana-Rodríguez, J.J. (2004) The use of micellar systems in the extraction and pre-concentration of organic pollutants in environmental samples. TRAC-Trends Anal. Chem., 23 (7): 469 - 479.
    • (2004) TRAC-Trends Anal. Chem. , vol.23 , Issue.7 , pp. 469-479
    • Sosa-Ferrera, Z.1    Padrón-Sanz, C.2    Mahugo-Santana, C.3    Santana-Rodríguez, J.J.4
  • 51
    • 0035681857 scopus 로고    scopus 로고
    • Micellar extraction of polycyclic aromatic hydrocarbons from certified marine.sediment
    • Pino, V, Ayala, J.H, Afonso, A.M, González, V. (2001) Micellar extraction of polycyclic aromatic hydrocarbons from certified marine.sediment. Int. J. Environ. Anal. Chem., 81 (4): 281 - 294.
    • (2001) Int. J. Environ. Anal. Chem. , vol.81 , Issue.4 , pp. 281-294
    • Pino, V.1    Ayala, J.H.2    Afonso, A.M.3    González, V.4
  • 52
    • 0033972754 scopus 로고    scopus 로고
    • Determination of polycyclic aromatic hydrocarbons in marine sediments by high-performance liquid chromatography after microwave-assisted extraction with micellar media
    • Pino, V, Ayala, J.H, Afonso, A.M, González, V. (2000) Determination of polycyclic aromatic hydrocarbons in marine sediments by high-performance liquid chromatography after microwave-assisted extraction with micellar media. J. Chromatogr. A, 869 (1-2): 515 - 522.
    • (2000) J. Chromatogr. A , vol.869 , Issue.1-2 , pp. 515-522
    • Pino, V.1    Ayala, J.H.2    Afonso, A.M.3    González, V.4
  • 53
    • 0037467587 scopus 로고    scopus 로고
    • Micellar microwave-assisted extraction combined with solid-phase microextraction for the determination of polycyclic aromatic hydrocarbons in a certified marine sediment
    • Pino, V, Ayala, J.H, Afonso, A.M, González, V. (2003) Micellar microwave-assisted extraction combined with solid-phase microextraction for the determination of polycyclic aromatic hydrocarbons in a certified marine sediment. Anal. Chim. Acta, 477 (1): 81 - 91.
    • (2003) Anal. Chim. Acta , vol.477 , Issue.1 , pp. 81-91
    • Pino, V.1    Ayala, J.H.2    Afonso, A.M.3    González, V.4
  • 54
    • 38949104084 scopus 로고    scopus 로고
    • The ionic liquid 1-hexadecyl-3-methylimidazolium bromide as novel extracting system for polycyclic aromatic hydrocarbons contained in sediments using focused microwave-assisted extraction
    • Pino, V, Anderson, J.L, Ayala, J.H, Afonso, A.M. (2008) The ionic liquid 1-hexadecyl-3-methylimidazolium bromide as novel extracting system for polycyclic aromatic hydrocarbons contained in sediments using focused microwave-assisted extraction. J. Chromatogr. A, 1182 (2): 145 - 152.
    • (2008) J. Chromatogr. A , vol.1182 , Issue.2 , pp. 145-152
    • Pino, V.1    Anderson, J.L.2    Ayala, J.H.3    Afonso, A.M.4
  • 55
    • 79956094857 scopus 로고    scopus 로고
    • Application of ionic liquids in the microwave-assisted extraction of podophyllotoxin from Chinese herbal medicine
    • Yuan, Y, Wang, Y, Xu, R, Huang, M, Zeng, H. (2011) Application of ionic liquids in the microwave-assisted extraction of podophyllotoxin from Chinese herbal medicine. Analyst, 136 (11): 2294 - 2305.
    • (2011) Analyst , vol.136 , Issue.11 , pp. 2294-2305
    • Yuan, Y.1    Wang, Y.2    Xu, R.3    Huang, M.4    Zeng, H.5
  • 56
    • 53049084022 scopus 로고    scopus 로고
    • Ionic liquid-based microwave-assisted extraction of phenolic alkaloids from the medicinal plant Nelumbo nucifera Gaertn
    • Lu, Y, Ma, W, Hu, R, Dai, X, Pan, Y. (2008) Ionic liquid-based microwave-assisted extraction of phenolic alkaloids from the medicinal plant Nelumbo nucifera Gaertn. J. Chromatogr. A, 1208 (1-2): 42 - 46.
    • (2008) J. Chromatogr. A , vol.1208 , Issue.1-2 , pp. 42-46
    • Lu, Y.1    Ma, W.2    Hu, R.3    Dai, X.4    Pan, Y.5
  • 57
    • 84863163739 scopus 로고    scopus 로고
    • Determination of luteolin and apigenin in celery using ionic liquids aqueous solution based ultrasonic-assisted extraction coupled with HPLC quantification
    • Han, D, Row, K.H. (2011) Determination of luteolin and apigenin in celery using ionic liquids aqueous solution based ultrasonic-assisted extraction coupled with HPLC quantification. Sci. Food Agric., 76 (5): C680 - C685.
    • (2011) Sci. Food Agric. , vol.76 , Issue.5
    • Han, D.1    Row, K.H.2
  • 58
    • 76649114967 scopus 로고    scopus 로고
    • Ionic liquid surfactant-mediated ultrasonic assisted extraction coupled to HPLC: Application to analysis of tanshinones in Salvia miltiorrhiza bunge
    • Wu, K, Zhang, Q, Liu, Q, Tang, F, Long, Y, Yao, S. (2009) Ionic liquid surfactant-mediated ultrasonic assisted extraction coupled to HPLC: Application to analysis of tanshinones in Salvia miltiorrhiza bunge. J. Sep. Sci., 32 (23-24): 4220 - 4226.
    • (2009) J. Sep. Sci. , vol.32 , Issue.23-24 , pp. 4220-4226
    • Wu, K.1    Zhang, Q.2    Liu, Q.3    Tang, F.4    Long, Y.5    Yao, S.6
  • 59
    • 64049091876 scopus 로고    scopus 로고
    • Ionic liquid-based ultrasonic-assisted extraction of piperine from white pepper
    • Cao, X.; Ye, X.; Lu, Y.; Yu, Y.; Mo, W. (2009) Ionic liquid-based ultrasonic-assisted extraction of piperine from white pepper. Anal. Chim. Acta, 640 (1-2): 47-51.
    • (2009) Anal. Chim. Acta , vol.640 , Issue.1-2 , pp. 47-51
    • Cao, X.1    Ye, X.2    Lu, Y.3    Yu, Y.4    Mo, W.5
  • 60
    • 77956646546 scopus 로고    scopus 로고
    • Ionic liquid-based microwave-assisted extraction and HPLC analysis of dehydrocavidine in corydalis saxicola bunting
    • Du, F.-Y, Xiao, X.-H, Xu, P.-P, Li, G.-K. (2010) Ionic liquid-based microwave-assisted extraction and HPLC analysis of dehydrocavidine in corydalis saxicola bunting. Acta Chromatogr., 22 (3): 459 - 471.
    • (2010) Acta Chromatogr. , vol.22 , Issue.3 , pp. 459-471
    • Du, F.-Y.1    Xiao, X.-H.2    Xu, P.-P.3    Li, G.-K.4
  • 61
    • 56549127583 scopus 로고    scopus 로고
    • Coupling the extraction efficiency of imidazolium-based ionic liquid aggregates with solid-phase microextraction-gas chromatography-mass spectrometry Application to polycyclic aromatic hydrocarbons in a certified reference sediment
    • Guerra-Abreu, L, Pino, V, Anderson, J.L, Afonso, A.M. (2008) Coupling the extraction efficiency of imidazolium-based ionic liquid aggregates with solid-phase microextraction-gas chromatography-mass spectrometry Application to polycyclic aromatic hydrocarbons in a certified reference sediment. J. Chromatogr. A, 1214 (1-2): 23 - 29.
    • (2008) J. Chromatogr. A , vol.1214 , Issue.1-2 , pp. 23-29
    • Guerra-Abreu, L.1    Pino, V.2    Anderson, J.L.3    Afonso, A.M.4
  • 62
    • 79960016954 scopus 로고    scopus 로고
    • Use of ionic liquid aggregates of 1-hexadecyl-3-butyl imidazolium bromide in a focused-microwave assisted extraction method followed by high-performance liquid chromatography with ultraviolet and fluorescence detection to determine the 15 + 1 EU priority PAHs in toasted cereals ("gofios")
    • Germán-Hernández, M, Pino, V, Anderson, J.L, Afonso, A.M. (2011) Use of ionic liquid aggregates of 1-hexadecyl-3-butyl imidazolium bromide in a focused-microwave assisted extraction method followed by high-performance liquid chromatography with ultraviolet and fluorescence detection to determine the 15 + 1 EU priority PAHs in toasted cereals ("gofios"). Talanta, 85 (2): 1199 - 1206.
    • (2011) Talanta , vol.85 , Issue.2 , pp. 1199-1206
    • Germán-Hernández, M.1    Pino, V.2    Anderson, J.L.3    Afonso, A.M.4
  • 63
    • 79951725385 scopus 로고    scopus 로고
    • Study on ionic liquid-based ultrasonic-assisted extraction of biphenyl cyclooctene lignans from the fruit of Schisandra chinensis Baill
    • Ma, C.-H, Liu, T.-T, Yang, L, Zu, Y.-G, Wang, S.-Y, Zhang, R.-R. (2011) Study on ionic liquid-based ultrasonic-assisted extraction of biphenyl cyclooctene lignans from the fruit of Schisandra chinensis Baill. Anal. Chim. Acta, 689 (1): 110 - 116.
    • (2011) Anal. Chim. Acta , vol.689 , Issue.1 , pp. 110-116
    • Ma, C.-H.1    Liu, T.-T.2    Yang, L.3    Zu, Y.-G.4    Wang, S.-Y.5    Zhang, R.-R.6
  • 64
    • 76849109490 scopus 로고    scopus 로고
    • Analytical applications of admicelle and hemimicelle solid phase extraction of organic analytes
    • Gangula, S, Suen, S.-Y, Conte, E.D. (2010) Analytical applications of admicelle and hemimicelle solid phase extraction of organic analytes. Microchem. J., 95 (1): 2 - 4.
    • (2010) Microchem. J. , vol.95 , Issue.1 , pp. 2-4
    • Gangula, S.1    Suen, S.-Y.2    Conte, E.D.3
  • 65
    • 18844454045 scopus 로고    scopus 로고
    • Determination of polyaromatic hydrocarbons in river water using a sorbent consisting of removable octadecyltrimethylammonium ions attached to cation exchange silica in conjunction with commercial C18 silica
    • Zhao, Q, Philpott, R.T, Oakes, T.D, Conte, E.D. (2005) Determination of polyaromatic hydrocarbons in river water using a sorbent consisting of removable octadecyltrimethylammonium ions attached to cation exchange silica in conjunction with commercial C18 silica. Analyst, 130 (5): 750 - 754.
    • (2005) Analyst , vol.130 , Issue.5 , pp. 750-754
    • Zhao, Q.1    Philpott, R.T.2    Oakes, T.D.3    Conte, E.D.4
  • 66
    • 58849084080 scopus 로고    scopus 로고
    • Dihexadecyldimethylammonium hydroxide admicelles on silica for the preconcentration of selected phenols
    • Chen, G.L, Suen, S.Y, Vied, S, Pickering, K, Perrin, C, Conte, E.D. (2009) Dihexadecyldimethylammonium hydroxide admicelles on silica for the preconcentration of selected phenols. Analyst, 134 (2): 331 - 336.
    • (2009) Analyst , vol.134 , Issue.2 , pp. 331-336
    • Chen, G.L.1    Suen, S.Y.2    Vied, S.3    Pickering, K.4    Perrin, C.5    Conte, E.D.6
  • 67
    • 37449031763 scopus 로고    scopus 로고
    • Analysis of phthalates via HPLC-UV in environmental water samples after concentration by solid-phase extraction using ionic liquid mixed hemimicelles
    • Li, J, Cai, Y, Shi, Y, Mou, S, Jiang, G. (2008) Analysis of phthalates via HPLC-UV in environmental water samples after concentration by solid-phase extraction using ionic liquid mixed hemimicelles. Talanta, 74 (4): 498 - 504.
    • (2008) Talanta , vol.74 , Issue.4 , pp. 498-504
    • Li, J.1    Cai, Y.2    Shi, Y.3    Mou, S.4    Jiang, G.5
  • 68
    • 54349090419 scopus 로고    scopus 로고
    • Application of ionic liquids for solid-phase extraction of trace elements
    • Myasoedova, G.V, Molochnikova, N.P, Mokhodoeva, O.B, Myasoedov, B.F. (2008) Application of ionic liquids for solid-phase extraction of trace elements. Anal. Sci., 24 (10): 1351 - 1353.
    • (2008) Anal. Sci. , vol.24 , Issue.10 , pp. 1351-1353
    • Myasoedova, G.V.1    Molochnikova, N.P.2    Mokhodoeva, O.B.3    Myasoedov, B.F.4
  • 69
    • 77955828036 scopus 로고    scopus 로고
    • 4 magnetic nanoparticles as an adsorbent of mixed hemimicelles solid-phase extraction for preconcentration of polycyclic aromatic hydrocarbons in environmental samples
    • 4 magnetic nanoparticles as an adsorbent of mixed hemimicelles solid-phase extraction for preconcentration of polycyclic aromatic hydrocarbons in environmental samples. Analyst, 135 (9): 2426 - 2433.
    • (2010) Analyst , vol.135 , Issue.9 , pp. 2426-2433
    • Zhang, Q.1    Yang, F.2    Tang, F.3    Zeng, K.4    Wu, K.5    Cai, Q.6    Yao, S.7
  • 70
    • 67649777077 scopus 로고    scopus 로고
    • Application of ionic liquids in high performance reversed-phase chromatography
    • Wang, Y, Tian, M, Bi, W, Row, K.H. (2009) Application of ionic liquids in high performance reversed-phase chromatography. Int. J. Mol. Sci., 10 (6): 2591 - 2610.
    • (2009) Int. J. Mol. Sci. , vol.10 , Issue.6 , pp. 2591-2610
    • Wang, Y.1    Tian, M.2    Bi, W.3    Row, K.H.4
  • 71
    • 51549102183 scopus 로고    scopus 로고
    • Long-chain alkylimidazolium ionic liquids, a new class of cationic surfactants coated on ODS columns for anion-exchange chromatography
    • Qiu, H, Zhang, Q, Chen, L, Liu, X, Jiang, S. (2008) Long-chain alkylimidazolium ionic liquids, a new class of cationic surfactants coated on ODS columns for anion-exchange chromatography. J. Sep. Sci., 31 (15): 2791 - 2796.
    • (2008) J. Sep. Sci. , vol.31 , Issue.15 , pp. 2791-2796
    • Qiu, H.1    Zhang, Q.2    Chen, L.3    Liu, X.4    Jiang, S.5
  • 72
    • 65549142299 scopus 로고    scopus 로고
    • Ionic liquids used in and analyzed by capillary and microchip electrophoresis
    • Xu, Y, Wang, E. (2009) Ionic liquids used in and analyzed by capillary and microchip electrophoresis. J. Chromatogr. A, 1216 (24): 4817 - 4823.
    • (2009) J. Chromatogr. A , vol.1216 , Issue.24 , pp. 4817-4823
    • Xu, Y.1    Wang, E.2
  • 74
    • 65249163414 scopus 로고    scopus 로고
    • Micellar electrokinetic chromatography: Methodological and instrumental advances focused on practical aspects
    • Silva, M. (2009) Micellar electrokinetic chromatography: Methodological and instrumental advances focused on practical aspects. Electrophoresis, 30 (1): 50 - 64.
    • (2009) Electrophoresis , vol.30 , Issue.1 , pp. 50-64
    • Silva, M.1
  • 75
    • 40349085743 scopus 로고    scopus 로고
    • Cationic surfactants for micellar electrokinetic chromatography, 1: Characterization of selectivity using the linear solvation energy relationships model
    • Schnee, V.P, Palmer, C.P. (2008) Cationic surfactants for micellar electrokinetic chromatography, 1: Characterization of selectivity using the linear solvation energy relationships model. Electrophoresis, 29 (4): 767 - 776.
    • (2008) Electrophoresis , vol.29 , Issue.4 , pp. 767-776
    • Schnee, V.P.1    Palmer, C.P.2
  • 76
    • 34250824026 scopus 로고    scopus 로고
    • A comparison of ionic liquids to molecular organic solvents as additives for chiral separations in micellar electrokinetic chromatography
    • Mwongela, S.M, Siminialayi, N, Fletcher, K.A, Warner, I.M. (2007) A comparison of ionic liquids to molecular organic solvents as additives for chiral separations in micellar electrokinetic chromatography. J. Sep. Sci., 30 (9): 1334 - 1342.
    • (2007) J. Sep. Sci. , vol.30 , Issue.9 , pp. 1334-1342
    • Mwongela, S.M.1    Siminialayi, N.2    Fletcher, K.A.3    Warner, I.M.4
  • 77
    • 70349868228 scopus 로고    scopus 로고
    • Sensitive determination of verticine and verticinone in Bulbus Fritillariae by ionic liquid assisted capillary electrophoresis-electrochemiluminescence system
    • Gao, Y, Xu, Y, Han, B, Li, J, Xiang, Q. (2009) Sensitive determination of verticine and verticinone in Bulbus Fritillariae by ionic liquid assisted capillary electrophoresis-electrochemiluminescence system. Talanta, 80 (2): 448 - 453.
    • (2009) Talanta , vol.80 , Issue.2 , pp. 448-453
    • Gao, Y.1    Xu, Y.2    Han, B.3    Li, J.4    Xiang, Q.5
  • 78
    • 9144252708 scopus 로고    scopus 로고
    • Rapid and sensitive determination of anthraquinones in Chinese herb using 1-butyl-3-methylimidazolium-based ionic liquid with β-cyclodextrin as modifier in capillary zone electrophoresis
    • Qi, S, Cui, S, Chen, X, Hu, Z. (2004) Rapid and sensitive determination of anthraquinones in Chinese herb using 1-butyl-3-methylimidazolium-based ionic liquid with β-cyclodextrin as modifier in capillary zone electrophoresis. J. Chromatogr. A, 1059 (1-2): 191 - 198.
    • (2004) J. Chromatogr. A , vol.1059 , Issue.1-2 , pp. 191-198
    • Qi, S.1    Cui, S.2    Chen, X.3    Hu, Z.4
  • 79
    • 79960699882 scopus 로고    scopus 로고
    • Potential of long chain ionic liquids for on-line sample concentration techniques: Application to micelle to solvent stacking
    • Quirino, J.P, Anres, P, Sirieix-Plénet, J, Delaunay, N, Gareil, P. (2011) Potential of long chain ionic liquids for on-line sample concentration techniques: Application to micelle to solvent stacking. J. Chromatogr. A, 1218 (33): 5718 - 5724.
    • (2011) J. Chromatogr. A , vol.1218 , Issue.33 , pp. 5718-5724
    • Quirino, J.P.1    Anres, P.2    Sirieix-Plénet, J.3    Delaunay, N.4    Gareil, P.5
  • 80
    • 33751295497 scopus 로고    scopus 로고
    • Electrokinetic chromatographic characterization of novel pseudo-phases based on N-alkyl-N-methylpyrrolidinium ionic liquid type surfactants
    • Schnee, V.P, Baker, G.A, Rauk, E, Palmer, C.P. (2006) Electrokinetic chromatographic characterization of novel pseudo-phases based on N-alkyl-N-methylpyrrolidinium ionic liquid type surfactants. Electrophoresis, 27 (21): 4141 - 4148.
    • (2006) Electrophoresis , vol.27 , Issue.21 , pp. 4141-4148
    • Schnee, V.P.1    Baker, G.A.2    Rauk, E.3    Palmer, C.P.4
  • 81
    • 67349219127 scopus 로고    scopus 로고
    • 1-Hexadecyl-3-methylimidazolium ionic liquid as a new cationic surfactant for separation of phenolic compounds by MEKC
    • Niu, J, Qiu, H, Li, J, Liu, X, Jiang, S. (2009) 1-Hexadecyl-3-methylimidazolium ionic liquid as a new cationic surfactant for separation of phenolic compounds by MEKC. Chromatographia, 69 (9/10): 1093 - 1096.
    • (2009) Chromatographia , vol.69 , Issue.9-10 , pp. 1093-1096
    • Niu, J.1    Qiu, H.2    Li, J.3    Liu, X.4    Jiang, S.5
  • 82
    • 39149099450 scopus 로고    scopus 로고
    • Micellar electrophoresis using ionic liquids
    • Borissova, M, Palk, K, Koel, M. (2008) Micellar electrophoresis using ionic liquids. J. Chromatogr. A, 1183 (1-2): 192 - 195.
    • (2008) J. Chromatogr. A , vol.1183 , Issue.1-2 , pp. 192-195
    • Borissova, M.1    Palk, K.2    Koel, M.3


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