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The electrochemical synthesis of different Ag/PVP nanocomposites

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2010
rSE_SEE_14.pdf (702.9Kb)
Authors
Jovanović, Željka
Panić, Vladimir
Nikolić, Branislav
Mišković-Stanković, Vesna
Conference object (Published version)
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Abstract
The potential use of Ag/poly(N-vinyl-2-pyrrolidone) (PVP) nanocomposites is in wound dressings or soft tissue implants, where Ag nanoparticles (AgNPs) serve as the antimicrobial agent. Ag/PVP nanocomposites were electrochemically synthesized, by the electrochemical reduction of Ag+ ions into the AgNPs in the PVP aqueous solution and within the crosslinked PVP matrix, forming the non-crosslinked and crosslinked Ag/PVP nanocomposite, respectively. The synthesis of AgNPs was performed in an electrochemical cell with Pt working and counter electrodes and the saturated calomel electrode (SCE) as the reference. The non-crosslinked Ag/PVP nanocomposite was obtained by galvanostatic reduction of Ag+ ions from the aqueous solution consisted of 0.10 M KNO3, 3.9 mM AgNO3 and 10 wt. % PVP. The crosslinked Ag/PVP nanocomposite was obtained by in situ potentiostatic reduction of Ag+ ions within PVP hydrogel, previously prepared by -irradiation of the 10 wt. % PVP aqueous solution. Hydrogels were swo...llen in two different aqueous solutions ((a) 3.9 mM AgNO3, (b) 3.9 mM AgNO3 + 0.10 M KNO3) for 24 h. Ag/PVP nanocomposite systems were characterized by UV-Vis spectroscopy, FTIR, TEM, XRD, Z-sizer analysis and cyclic voltammetry.

Keywords:
Nanocomposites / Cyclic voltammetry / Electrochemical synthesis
Source:
Second Regional Symposium on Electrochemistry South-East Europe, RSE-SEE, Program and Book of Abstracts, 2010, 155-155
Publisher:
  • Serbian Chemical Society, Belgrade
Note:
  • Belgrade, Serbia, June 6-10, 2010

ISBN: 978-86-7132-043-6

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_cer_3531
URI
http://www.aseee.eu/index.php/rsesee2-home
https://cer.ihtm.bg.ac.rs/handle/123456789/3531
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - CONF
AU  - Jovanović, Željka
AU  - Panić, Vladimir
AU  - Nikolić, Branislav
AU  - Mišković-Stanković, Vesna
PY  - 2010
UR  - http://www.aseee.eu/index.php/rsesee2-home
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3531
AB  - The potential use of Ag/poly(N-vinyl-2-pyrrolidone) (PVP) nanocomposites is in wound dressings or soft tissue implants, where Ag nanoparticles (AgNPs) serve as the antimicrobial agent. Ag/PVP nanocomposites were electrochemically synthesized, by the electrochemical reduction of Ag+ ions into the AgNPs in the PVP aqueous solution and within the crosslinked PVP matrix, forming the non-crosslinked and crosslinked Ag/PVP nanocomposite, respectively. The synthesis of AgNPs was performed in an electrochemical cell with Pt working and counter electrodes and the saturated calomel electrode (SCE) as the reference. The non-crosslinked Ag/PVP nanocomposite was obtained by galvanostatic reduction of Ag+ ions from the aqueous solution consisted of 0.10 M KNO3, 3.9 mM AgNO3 and 10 wt. % PVP. The crosslinked Ag/PVP nanocomposite was obtained by in situ potentiostatic reduction of Ag+ ions within PVP hydrogel, previously prepared by -irradiation of the 10 wt. % PVP aqueous solution. Hydrogels were swollen in two different aqueous solutions ((a) 3.9 mM AgNO3, (b) 3.9 mM AgNO3 + 0.10 M KNO3) for 24 h. Ag/PVP nanocomposite systems were characterized by UV-Vis spectroscopy, FTIR, TEM, XRD, Z-sizer analysis and cyclic voltammetry.
PB  - Serbian Chemical Society, Belgrade
C3  - Second Regional Symposium on Electrochemistry South-East Europe, RSE-SEE, Program and Book of Abstracts
T1  - The electrochemical synthesis of different Ag/PVP nanocomposites
SP  - 155
EP  - 155
UR  - https://hdl.handle.net/21.15107/rcub_cer_3531
ER  - 
@conference{
author = "Jovanović, Željka and Panić, Vladimir and Nikolić, Branislav and Mišković-Stanković, Vesna",
year = "2010",
abstract = "The potential use of Ag/poly(N-vinyl-2-pyrrolidone) (PVP) nanocomposites is in wound dressings or soft tissue implants, where Ag nanoparticles (AgNPs) serve as the antimicrobial agent. Ag/PVP nanocomposites were electrochemically synthesized, by the electrochemical reduction of Ag+ ions into the AgNPs in the PVP aqueous solution and within the crosslinked PVP matrix, forming the non-crosslinked and crosslinked Ag/PVP nanocomposite, respectively. The synthesis of AgNPs was performed in an electrochemical cell with Pt working and counter electrodes and the saturated calomel electrode (SCE) as the reference. The non-crosslinked Ag/PVP nanocomposite was obtained by galvanostatic reduction of Ag+ ions from the aqueous solution consisted of 0.10 M KNO3, 3.9 mM AgNO3 and 10 wt. % PVP. The crosslinked Ag/PVP nanocomposite was obtained by in situ potentiostatic reduction of Ag+ ions within PVP hydrogel, previously prepared by -irradiation of the 10 wt. % PVP aqueous solution. Hydrogels were swollen in two different aqueous solutions ((a) 3.9 mM AgNO3, (b) 3.9 mM AgNO3 + 0.10 M KNO3) for 24 h. Ag/PVP nanocomposite systems were characterized by UV-Vis spectroscopy, FTIR, TEM, XRD, Z-sizer analysis and cyclic voltammetry.",
publisher = "Serbian Chemical Society, Belgrade",
journal = "Second Regional Symposium on Electrochemistry South-East Europe, RSE-SEE, Program and Book of Abstracts",
title = "The electrochemical synthesis of different Ag/PVP nanocomposites",
pages = "155-155",
url = "https://hdl.handle.net/21.15107/rcub_cer_3531"
}
Jovanović, Ž., Panić, V., Nikolić, B.,& Mišković-Stanković, V.. (2010). The electrochemical synthesis of different Ag/PVP nanocomposites. in Second Regional Symposium on Electrochemistry South-East Europe, RSE-SEE, Program and Book of Abstracts
Serbian Chemical Society, Belgrade., 155-155.
https://hdl.handle.net/21.15107/rcub_cer_3531
Jovanović Ž, Panić V, Nikolić B, Mišković-Stanković V. The electrochemical synthesis of different Ag/PVP nanocomposites. in Second Regional Symposium on Electrochemistry South-East Europe, RSE-SEE, Program and Book of Abstracts. 2010;:155-155.
https://hdl.handle.net/21.15107/rcub_cer_3531 .
Jovanović, Željka, Panić, Vladimir, Nikolić, Branislav, Mišković-Stanković, Vesna, "The electrochemical synthesis of different Ag/PVP nanocomposites" in Second Regional Symposium on Electrochemistry South-East Europe, RSE-SEE, Program and Book of Abstracts (2010):155-155,
https://hdl.handle.net/21.15107/rcub_cer_3531 .

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