S. Bardhan, A. Lal, N. J. Joshi, and . Halas, Theranostic Nanoshells: From Probe Design to Imaging and Treatment of Cancer, Accounts of Chemical Research, vol.44, issue.10, pp.936-946, 2011.
DOI : 10.1021/ar200023x

D. Laurent, M. Forge, A. Port, C. Roch, L. Robic et al., Magnetic Iron Oxide Nanoparticles: Synthesis, Stabilization, Vectorization, Physicochemical Characterizations, and Biological Applications, Chemical Reviews, vol.108, issue.6, pp.2064-2110, 2008.
DOI : 10.1021/cr068445e

M. Kievit and M. Zhang, Surface Engineering of Iron Oxide Nanoparticles for Targeted Cancer Therapy, Accounts of Chemical Research, vol.44, issue.10, pp.853-862, 2011.
DOI : 10.1021/ar2000277

K. El-boubbou, D. C. Zhu, C. Vasileiou, B. Borhan, D. Prosperi et al., Magnetic Glyco-Nanoparticles: A Tool To Detect, Differentiate, and Unlock the Glyco-Codes of Cancer via Magnetic Resonance Imaging, Journal of the American Chemical Society, vol.132, issue.12, pp.4490-4499, 2003.
DOI : 10.1021/ja100455c

Y. C. Lee, R. T. Lee-b-)-t, P. Buskas, G. Thompson, and . Boons, Carbohydrate-Protein Interactions: Basis of Glycobiology, Accounts of Chemical Research, vol.28, issue.8, pp.321-327, 1995.
DOI : 10.1021/ar00056a001

W. G. Develter and L. M. Lauryssen, Properties and industrial applications of sophorolipids, European Journal of Lipid Science and Technology, vol.3, issue.6, pp.628-638, 2010.
DOI : 10.1002/ejlt.200900153

M. Maingault, Use of sophorolipids and cosmetic and dermatological compositions, 1995.

N. Baccile, L. Nassif, I. N. Malfatti, W. Van-bogaert, G. Soetaert et al., Sophorolipids: a yeast-derived glycolipid as greener structure directing agents for self-assembled nanomaterials, Green Chemistry, vol.6, issue.9, pp.1564-1567, 2010.
DOI : 10.1039/c0gc00163e

C. Zhou, J. Xu, W. Wang, R. Gao, V. Akhverdiyeva et al., Supramolecular Assemblies of a Naturally Derived Sophorolipid, Langmuir, vol.20, issue.19, pp.7926-7932, 2004.
DOI : 10.1021/la048590s

F. Baccile, J. Babonneau, G. Jestin, I. Pehau-arnaudet, . Van-bogaert et al., DOI : 10.1021/nn204911k 15 a), New J. Chem, vol.33, issue.23, pp.646-652, 2007.

E. M. Dhar, A. Reddy, V. Prabhune, A. Pokharkar, B. L. Shiras et al., Cytotoxicity of sophorolipid-gellan gum-gold nanoparticle conjugates and their doxorubicin loaded derivatives towards human glioma and human glioma stem cell lines, Nanoscale, vol.46, issue.2, pp.575-580, 2011.
DOI : 10.1039/C0NR00598C

L. Jambor and J. E. Dutrizac, Occurrence and Constitution of Natural and Synthetic Ferrihydrite, a Widespread Iron Oxyhydroxide, Chemical Reviews, vol.98, issue.7, pp.2549-2585, 1998.
DOI : 10.1021/cr970105t

B. Babes, G. Denizot, J. J. Tanguy, and P. Le-jeune, Synthesis of Iron Oxide Nanoparticles Used as MRI Contrast Agents: A Parametric Study, Journal of Colloid and Interface Science, vol.212, issue.2, pp.474-482, 1999.
DOI : 10.1006/jcis.1998.6053

H. A. Van-des-woude and P. L. De-bruyn, Formation of colloidal dispersions from supersaturated iron(III) nitrate solutions. I. Precipitation of amorphous iron hydroxide, Colloids and Surfaces, vol.8, issue.1, pp.55-78, 1983.
DOI : 10.1016/0166-6622(83)80072-9

N. B. Mili?, P. T. Djurdjevi?, and S. R. Niketi?, Effect of acetate and EDTA ligands on Hydrolysis of the Iron(III) Ion in sodium chloride medium, Zeitschrift f???r anorganische und allgemeine Chemie, vol.90, issue.1, pp.174-180, 1989.
DOI : 10.1002/zaac.19895710120

S. R. Krishnamurti and P. M. Huang, Influence of Citrate on the Kinetics of Fe(II) Oxidation and the Formation of Iron Oxyhydroxides1, Clays and Clay Minerals, vol.39, issue.1, pp.28-34, 1991.
DOI : 10.1346/CCMN.1991.0390104

M. Kandori, T. Fukuoka, and . Ishikawa, Effects of citrate ions on the formation of ferric oxide hydroxide particles, Journal of Materials Science, vol.52, issue.III, pp.3313-3319, 1991.
DOI : 10.1007/BF01124679

R. Bee, S. Massart, and . Neveu, Synthesis of very fine maghemite particles, Journal of Magnetism and Magnetic Materials, vol.149, issue.1-2, pp.6-9, 1995.
DOI : 10.1016/0304-8853(95)00317-7
URL : https://hal.archives-ouvertes.fr/hal-00172906

M. A. Blesa and E. Matijevi?, Phase transformations of iron oxides, oxohydroxides, and hydrous oxides in aqueous media, Advances in Colloid and Interface Science, vol.29, issue.3-4, pp.173-221, 1989.
DOI : 10.1016/0001-8686(89)80009-0

Y. Lu, J. D. Miller, and J. , Carboxyl Stretching Vibrations of Spontaneously Adsorbed and LB-Transferred Calcium Carboxylates as Determined by FTIR Internal Reflection Spectroscopy, Journal of Colloid and Interface Science, vol.256, issue.1, pp.41-52, 2002.
DOI : 10.1006/jcis.2001.8112

J. Vidal-vidal, M. A. Rivasb, and . L´opez-quintela, Synthesis of monodisperse maghemite nanoparticles by the microemulsion method, Colloids and Surfaces A: Physicochemical and Engineering Aspects, vol.288, issue.1-3, pp.44-51, 2006.
DOI : 10.1016/j.colsurfa.2006.04.027

A. B. Dallas, D. Bourlinos, D. Niarchos, and . Petridis, Synthesis of tunable sized capped magnetic iron oxide nanoparticles highly soluble in organic solvents, Journal of Materials Science, vol.5, issue.13, pp.4996-5002, 2007.
DOI : 10.1007/s10853-006-0610-x

R. Kanicky and D. O. Shah1, Effect of Degree, Type, and Position of Unsaturation on the pKa of Long-Chain Fatty Acids, Journal of Colloid and Interface Science, vol.256, issue.1, pp.201-207, 2002.
DOI : 10.1006/jcis.2001.8009

J. Tomoaia-cotisel, A. Zsakó, M. Mocanu, E. Lupea, and . Chifu, Insoluble mixed monolayers, Journal of Colloid and Interface Science, vol.117, issue.2, pp.464-476, 1987.
DOI : 10.1016/0021-9797(87)90407-3

A. Alves, J. B. Almeida-e-silva, and M. Giulietti, -Glucose in Water and Ethanol/Water Mixtures, Journal of Chemical & Engineering Data, vol.52, issue.6, pp.2166-2170, 2007.
DOI : 10.1021/je700177n
URL : https://hal.archives-ouvertes.fr/in2p3-00159393

F. F. According and . Yano, at about 7 mol% of ethanol in water, a minimum value of the molar partial volume of ethanol in water is recorded with respect to a surface excess. Nevertheless, for an exposed surface of 1 cm 2 (typical for DLS cuvettes), only 7.0 . 10 -5 moles of ethanol lay on the surface. In our system, that represents only 1.4 % of the total added ethanol. For this reason, it is reasonable to believe that such a demixing behaviour, typical for all alcool/water misture, has practically no influence on our system. 47 No macroscopic nanoparticle aggregation phenomena were observed for over one month after dilution 48 E, Interf. Sci. Nano Lett, vol.284, issue.9, pp.255-259, 2005.

M. Amstad, E. Textora, and . Reimhult, Stabilization and functionalization of iron oxide nanoparticles for biomedical applications, Nanoscale, vol.19, issue.7, pp.2819-2843, 2011.
DOI : 10.1002/chem.201003504