PARTICLE COMPRISING AT LEAST ONE FERRIMAGNETIC OR FERROMAGNETIC IRON OXIDE NANOPARTICLE ASSOCIATED WITH AT LEAST ONE COMPOUND FOR MEDICAL OR COSMETIC USE
A particle probe including at least one ferrimagnetic or ferromagnetic iron oxide nanoparticle associated with at least one compound, in which the at least one compound dissociates from the at least one ferrimagnetic or ferromagnetic iron oxide nanoparticle and/or chemically modifies itself, following a physicochemical disturbance applied on the particle probe.