Nigella sativa is a medical plant used for its antibacterial/ antimicrobial property. One of the main components of this plant is Thymoquinone (TQ), which is the reason for its antimicrobial activity against grampositive and gram-negative bacteria. Nanomedicine is the application of nanotechnology to the field of medicine. The average size of iron oxide nanoparticles found by dynamic light scattering (DLS) particle size analyser, ranges approximately between 10 nm to 120 nm with a mean particle size of 66 nm.