Incorporation of magnetic nanoparticle to graphene oxide via simple emulsion method and their cytotoxicity
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Magnetite nanoparticle and graphene oxide is a promising nanoparticle that can be used in multitude of field due to their exceptional characteristic. Graphene oxide has a unique 2-D structure, and excellent chemical and physical characteristics while magnetite nanoparticle has its superparamagnetic properties which enable it to be controlled by external magnetic field. Owing to that, any new formulations of magnetic nanoparticle functionalities with graphene oxide have to be taken into consideration. In this research, magnetite nanoparticles were functionalized with graphene oxide using simple emulsion and evaporation method. All the samples were characterized by X-ray diffraction, and Fourier-transform infrared, and Raman spectroscopy. The toxicity of the nanomaterials was tested with cell viability assay (XTT) using A549 cells. The cell viability remains high within 24 h and 72 h of incubation, and when the concentration increases up to 100 µg/mL only a slight decrease of viability was observed.
KeywordsMagnetic nanoparticle Graphene oxide Emulsion technique
Emmellie Laura Albert and Muhammad Bilal Sajiman have contributed equally to this project with the supervision and guidance of Che Azurahanim Che Abdullah. We would like to express our deepest gratitude to the NANOTEDD members in the Biophysics Laboratory and supporting staff of Department of Physics, UPM. The part of this work was supported by the FRGS Grant provided by Ministry of Higher Education (FRG S5524949) and Dana Tautan UPM (DT0021) financed by Universiti Putra Malaysia.
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Conflict of interest
The authors declare no conflict of interest.
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