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Rade Surudzic,Ana Jankovic,Miodrag Mitric,Ivana Matic,Zorica D. Juranic,Ljiljana Zivkovic,Vesna Miskovic-Stankovic,이경엽,박수진,David Hui 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.34 No.-
Poly(vinyl alcohol)/graphene (PVA/Gr) nanocomposite was synthesized with the aim of developing anovel improved material. The PVA/Gr nanocomposite was characterized by UV–visible spectroscopy,cyclic voltammetry, Raman spectroscopy, X-ray diffraction, Fourier transform infrared spectroscopy, andX-ray photoelectron spectroscopy analyses, and the interaction of PVA molecules with graphene wasexamined. Introduction of Gr led to improved mechanical and thermal properties of the PVA/Grnanocomposite compared to pure PVA, as well as strong antibacterial activity against the bacterial strainStaphylococcus aureus. The PVA/Gr nanocomposite was non-cytotoxic against healthy peripheral bloodmononuclear cells by MTT assay, indicating its high potential for biomedical applications.
Marija Ðošic,Sanja Erakovic,Ana Jankovic,Maja Vukašinovic-Sekulic,Ivana Z. Matic,Jovica Stojanovic,이경엽,Vesna Miškovic-Stankovic,박수진 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.47 No.-
Graphene (Gr) and natural polymer chitosan (CS) were introduced to hydroxyapatite (HAP) to produce athree-component composite coating, which was fabricated by cathodic electrophoretic deposition on Tisubstrates in an ethanol suspension. These HAP/CS/Gr coatings were characterized by X-ray diffraction(XRD), Fourier transform infrared spectroscopy (FT-IR), thermogravimetric analysis (TGA), X-rayphotoelectron spectroscopy (XPS) and electrochemical measurements and found that the graphene intoHAP/CS composites significantly improves their morphology, thermal stability, and bioactivity. BothHAP/CS and HAP/CS/Gr composite coatings are classified as non-cytotoxic when tested against healthyperipheral blood mononuclear cells (PBMC), while antibacterial activity against Staphylococcus aureusand Escherichia coli could not be verified.