Y. A. Adebowole, A. , and K. O. , The influence of kosmotropic and chaotropic salts on the functional properties of Mucuna pruriens protein isolate, Int. J. Biol. Macromol, vol.40, issue.2, pp.119-125, 2007.

G. Box and N. Draper, Empirical Model Building and Response Surfaces, 1987.

R. T. Buwalda, J. M. Jonker, and J. B. Engberts, Aggregation of azodyes with cationic amphiphiles at low concentrations in aqueous solution, Langmuir, vol.15, pp.1083-1089, 1999.

D. Citak and M. Tuzen, A novel preconcentration procedure using cloud point extraction for determination of lead, cobalt and copper in water and food samples using flame atomic absorption spectrometry, J. Food Chem. Toxicol, vol.5, pp.1399-1404, 2010.

, Effect of K 2 CO 3 on the extraction efficiency (E) of methylene blue using Triton X-114=

I. Fischer, M. , and F. , Direct determination of the composition of aqueous micellar two-phase systems (AMTPS) using potentiometric titration-A rapid tool for detergent-based bioseparation, Colloids Surf. A: Physicochem. Eng. Aspects, vol.337, pp.93-102, 2011.

H. Ghouas, B. Haddou, M. Kameche, Z. Derriche, G. et al., Extraction of humic acid by coacervate: Investigation of direct and back processes, J. Hazard Mater, pp.171-178, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00878996

M. R. Guilherme, R. Silva, E. M. Girotto, A. F. Rubira, and E. C. Muniz, Hydrogels based on PAAm network with PNIPAAm included: Hydrophilic-hydrophobic transition measured by the partition of Orange II and Methylene Blue in water, J. Polym, vol.44, pp.4213-4219, 2003.

B. Haddou, J. P. Canselier, G. , and C. , Purification of effluents by two-aqueous phase extraction, Chem. Eng. Res. Des, vol.81, pp.1185-1192, 2003.
DOI : 10.1205/026387603770866362

B. Haddou, J. P. Canselier, G. , and C. , Cloud point extraction of phenol and benzyl alcohol from aqueous stream, Sep. Purif. Technol, vol.50, pp.114-121, 2006.
DOI : 10.1016/j.seppur.2005.11.014

URL : http://oatao.univ-toulouse.fr/1205/1/Haddou_1205.pdf

B. Haddou, Z. Bouberka, A. Taibi, H. Bouabdesselam, D. et al., Separation of neutral red and methylene blue from waste water using two-aqueous phase extraction, Sep. Sci. Technol, vol.42, issue.12, pp.2677-2691, 2007.
DOI : 10.1080/01496390701514774

B. Haddou, N. Guitri, A. Debbab, C. Gourdon, D. et al., Cloud point extraction of Orange II and Orange G using neutral and mixed micelles: Comparative approach using experimental design, Sep. Sci. Technol, vol.46, issue.5, pp.734-743, 2011.
DOI : 10.1080/01496395.2010.535804

C. He, S. Li, H. Liu, K. Li, and F. Liu, Extraction of testosterone and epitestosterone in human urine using aqueous two-phase systems of ionic liquid and salt, J. Chromatogr. A, vol.1082, pp.143-149, 2005.

E. Iglesia and L. Montenegro, Determination of critical micelle concentration of some surfactants by three techniques, J. Phys. Chem, vol.100, pp.1227-1234, 1996.

J. L. Li, C. , and B. , Recovering phenanthrene from spiked sand by a combined remediation process of micellar solubilization and cloud-point extraction, J. Chin. Inst. Chem. Eng, vol.39, issue.4, pp.337-342, 2008.
DOI : 10.1016/j.jcice.2008.01.005

C. Li, B. Xin, W. Xu, and Q. Zhang, Study on the extraction of dyes into a room-temperature ionic liquid and their mechanisms, J. Chem. Technol. Biotechnol, vol.82, 1996.

A. Malzert-fréon, J. Beno??tbeno??t, and F. Boury, Interactions between poly(ethylene glycol) and protein in dichloromethane=water emulsions: A study of interfacial properties, Eur. J. Pharm. Biopharm, vol.69, pp.835-843, 2008.

S. Miyagishi, K. Okada, A. , and T. , Salt effect on critical micelle concentrations of nonionic surfactants, N-acyl-N-methylglucamides (MEGA-n), J. Colloid Interface Sci, vol.238, pp.91-95, 2001.
DOI : 10.1006/jcis.2001.7503

H. Olivier-bourbigou, L. Magna, and D. Morvan, Ionic liquids and catalysis: Recent progress from knowledge to applications, Appl. Catal. A: Gen, vol.373, pp.1-56, 2010.
DOI : 10.1016/j.apcata.2009.10.008

Y. Pei, J. Wang, K. Wu, X. Xuan, L. et al., Ionic liquid-based aqueous two-phase extraction of selected proteins, Sep. Purif. Technol, vol.64, pp.288-295, 2009.
DOI : 10.1016/j.seppur.2008.10.010

Y. Pei, J. Liu, Z. Yan, Z. Li, J. Fan et al., Association of ionic liquids with cationic dyes in aqueous solution: A thermodynamic study, J. Chem. Thermodyn, vol.47, pp.223-227, 2012.

C. F. Poole and S. K. Poole, Extraction of organic compounds with room temperature ionic liquids, J. Chromatogr. A, vol.1217, pp.2268-2286, 2010.
DOI : 10.1016/j.chroma.2009.09.011

A. Safavi, H. Abdollahi, N. Maleki, and S. Zeinali, Interaction of anionic dyes and cationic surfactants with ionic liquid character, J. Colloid Interface Sci, vol.322, pp.274-280, 2008.
DOI : 10.1016/j.jcis.2008.01.059

N. V. Shvedene, S. V. Borovskaya, V. V. Svirodov, E. R. Ismailova, and I. V. Pletnev, Measuring the solubilities of ionic liquids in water using ion-selective electrodes, Anal. Bioanal. Chem, vol.381, pp.427-430, 2005.

E. L. Silva, S. Roldan, and M. F. Giné, Simultaneous preconcentration of copper, zinc, cadmium, and nickel in water samples by cloud point extraction using 4-(2-pyridylazo)-resorcinol and their determination by inductively coupled plasma optic emission spectrometry, J. Hazard. Mater, vol.171, pp.1133-1138, 2009.

M. Sun and Q. Wu, Cloud point extraction combined with graphite furnace atomic absorption spectrometry for speciation of Cr (III) in human serum samples, J. Pharm. Biomed. Anal, vol.60, pp.14-18, 2011.

P. Taechangam, J. F. Scamehorn, S. Osuwan, R. , and T. , Effect of nonionic surfactant molecular structure on cloud point extraction of phenol from wastewater, J. Colloids Surf. A: Physicochem. Eng. Aspects, vol.347, pp.200-209, 2009.

Z. Talbi, B. Haddou, Z. Bouberka, D. , and Z. , Simultaneous elimination of dissolved and dispersed pollutants from cutting oil wastes using two aqueous phase extraction methods, J. Hazard. Mater, vol.163, issue.2-3, pp.748-755, 2009.

R. Vijayaraghavan, N. Vedaraman, M. Surianarayanan, and D. R. Macfarlane, Extraction and recovery of azo dyes into an ionic liquid, Talanta, vol.69, pp.1059-1062, 2006.

L. Wang, G. Jiang, Y. Cai, B. He, Y. Wang et al., Cloud point extraction coupled with HPLC-UV for the determination of phthalate esters in environmental water samples, J. Environ. Sci, vol.19, pp.874-878, 2007.

G. Xiang, S. Wen, X. Wu, X. Jiang, L. He et al., Selective cloud point extraction for the determination of cadmium in food samples by flame atomic absorption spectrometry, Food Chem, vol.132, issue.1, pp.532-536, 2011.