2026. Study of Photocatalytic Degradation of Methylene Blue Dye with green Synthesized Maghemite Nanoparticles Using Aqueous Extract of Brassica Tournefortii Leaves. Scientific Journal for Publishing in Health Research and Technology. 2, 2 (Jun. 2026), 251–266. DOI:https://doi.org/10.65420/sjphrt.v2i2.144.