Magnetite nanoparticles with hydrophilic surface coating are prepared in polyamine solvents. The resulting products are highly stable in polar solvent. The surface amine groups are available for secondary reactions.
Journal of Materials Chemistry
H. Qu, H. Ma, A. Riviere, W. Zhou, and C.J. O'Connor, “One-pot synthesis in polyamines for preparation of water-soluble magnetite nanoparticles with amine surface reactivity,” J. Mater. Chem., 2012, 22(8): 3311-3313.