Azadirachta Azadirachta indica 1 Biosynthesis 1 Drug Delivery Systems 1 Ferric Compounds 1 Iron oxide nanoparticles 1 Magnetics 1 Magnetite Nanoparticles 1 Microscopy, Electron, Scanning 1 Microscopy, Electron, Transmission 1 Plant Extracts 1 Plant Leaves 1 Spectroscopy, Fourier Transform Infrared 1 Superparamagnetic 1 X ray diffraction 1 X-Ray Diffraction 1 chemistry 1 drug delivery system 1 ferric ion 1 ferric oxide 1 infrared spectroscopy 1 magnetism 1 magnetite nanoparticle 1 metabolism 1 plant extract 1 plant leaf 1 scanning electron microscopy 1 transmission electron microscopy 1 ultrastructure 1