In this paper, novel silver-doped poly(vinyl alcohol)/chitosan/graphene (Ag/PVA/CHI/Gr) nanocomposites were produced by in situ electrochemical synthesis of silver nanoparticles in the polyvinyl alcohol/chitosan/graphene (PVA/CHI/Gr) matrix. The presence of silver nanoparticles, as an antibacterial agent, was proven by ultraviolet-visible spectroscopy. The synthesized nanocomposites were further characterized by scanning electron microscopy, Raman spectroscopy, and x-ray photoelectron spectroscopy. Thermal stability was investigated using thermogravimetric analysis, while electrochemical properties of PVA/CHI/Gr and Ag/PVA/CHI/Gr were examined by cyclic voltammetry. It was suggested that silver nanoparticles were embedded in the PVA/CHI/Gr matrix as a result of chemical bonding with hydroxyl groups of PVA and amine and hydroxyl groups of CHI, and have improved thermal stability of PVA/CHI/Gr hydrogel.
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1 December 2017
BIOCORROSION: IN VITRO STUDY|
August 22 2017
Electrochemical Synthesis and Characterization of Silver Doped Poly(vinyl alcohol)/Chitosan Hydrogels
Katarina Nešović;
Katarina Nešović
*Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia.
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Vesna Kojić;
Vesna Kojić
**Faculty of Medicine, Oncology Institute of Vojvodina, University of Novi Sad, Put Dr Goldmana 4, 21204 Sremska Kamenica, Serbia.
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Kyong Yop Rhee;
Kyong Yop Rhee
‡
***Department of Mechanical Engineering, Kyung Hee University, 17104 Yongin, South Korea.
‡Corresponding author. E-mail: vesna@tmf.bg.ac.rs (V. Mišković-Stanković), rheeky@khu.ac.kr (K.Y. Rhee).
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Vesna Mišković-Stanković
Vesna Mišković-Stanković
‡
*Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia.
***Department of Mechanical Engineering, Kyung Hee University, 17104 Yongin, South Korea.
‡Corresponding author. E-mail: vesna@tmf.bg.ac.rs (V. Mišković-Stanković), rheeky@khu.ac.kr (K.Y. Rhee).
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CORROSION (2017) 73 (12): 1437–1447.
Citation
Katarina Nešović, Vesna Kojić, Kyong Yop Rhee, Vesna Mišković-Stanković; Electrochemical Synthesis and Characterization of Silver Doped Poly(vinyl alcohol)/Chitosan Hydrogels. CORROSION 1 December 2017; 73 (12): 1437–1447. doi: https://doi.org/10.5006/2507
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