Multifunctional Fe3O4/graphene oxide nanocomposites for magnetic resonance imaging and drug delivery

Preparation of Fe3O4/Reduced Graphene Oxide Nanocomposites with Good Dispersibility for Delivery of Paclitaxel

“…Finally, 43.1% at around 500 ∘ C was ascribed to the carbon skeleton pyrolysis. Figure 7(a), the products showed superparamagnetism without any hysteresis [31]. The saturation magnetization ( ) of Fe 3 O 4 /f-GO was 9.39 emu/g.…”

Recent Advances in the Synthesis of Graphene-Based Nanomaterials for Controlled Drug Delivery

“…When hybridized with gold or silver nanoparticles, graphene-based nanocarriers can serve as active materials for surface enhanced Raman scattering (SERS) experiments for monitoring the process of drug delivery [37,38,56,59,79]. When hybridized with magnetic nanoparticles, graphene-based nanomaterials can be used as magnetic materials for MR imaging [36,39,46,47,80].…”

“…Magnetic metallic oxide nanoparticles could be linked with graphene for stimulation-responsive drug delivery. For instance, Wang et al, modified magnetic Fe3O4 nanoparticles onto the surface of GO nanosheets via an inverse co-precipitation method [80]. The as-prepared Fe3O4/GO nanocomposites exhibited superparamagnetic property with the saturation magnetization of 63.3 emu g −1 and significant negative contrast enhancement effect in vitro.…”

“…The nanocarrier also showed a high loading capacity for 5-fluorouracil (0.37 mg mg −1 ), and the drug release can be controlled by the environment's pH. In order to achieve the control of the size and loading amount of the magnetic nanosheets via an inverse co-precipitation method [80]. The as-prepared Fe 3 O 4 /GO nanocomposites exhibited superparamagnetic property with the saturation magnetization of 63.3 emu g −1 and significant negative contrast enhancement effect in vitro.…”

Barium ferrite decorated reduced graphene oxide nanocomposite for effective electromagnetic interference shielding

“…For GO, the mass loss process can be divided into three stages: below 150 1C, ascribed to the evaporation of adsorbed water, from 150 1C to 400 1C, attributed to the removal of the labile oxygen containing functional groups and between 400 1C to 700 1C, assigned to the decomposition of more stable oxygen functionalities, indicating the pyrolysis of the carbon skeleton of the GO. 37 In the case of RGO, the mass loss is only about 5% up to 300 1C, because most of the functional groups are removed during reduction leading to the improvement of the thermal stability of the sample. Compared to the curve of RGO, the mass loss of the BaFe 12 O 19 @RGO nanocomposite was considerably lower and tended to be constant up to 575 1C (only 5% weight loss), displaying considerably higher thermal stability than RGO due to the attachment of BaFe 12 Fig.…”