Chanana, M., Jahn, S., Georgieva, R., Lutz, J. F., Bäumler, H., & Wang, D. Y. (2009). Fabrication of Colloidal Stable, Thermosensitive, and Biocompatible Magnetite Nanoparticles and Study of Their Reversible Agglomeration in Aqueous Milieu. Chemistry of Materials, 21(9), 1906-1914. doi:10.1021/cm900126r.