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Research Article | Open Access

Morphological, Optical, ElectricalCharacterizations and Anti-Escherichia coli Bacterial Efficiency (AECBE) of PVA/PAAm/PEO Polymer Blend Doped with Silver NPs

Karar Abdali1, Khalid Haneen Abass2( ), Ehssan Al-Bermany2, Enas M. Al-robayi3, Ashraq M. Kadim4
Ministry of Education, Baghdad, Iraq
Physics Department, College of Education for Pure Sciences, University of Babylon, Iraq
Physics Department, College of Science, University of Babylon, Iraq
Medical Physics Department, Hilla University College, Iraq
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Abstract

In the current research, silver nanoparticles (AgNPs) were mixed with a polymer blend to enhance their optical and electrical properties and antibacterial efficiency. A novel approach via introducing AgNPs into the polymer blend could improve the physical and antibacterial characteristics of the nanocomposites (NCs). In the loading process, two different amounts of AgNPs were respectively encapsulated with polyvinyl alcohol (PVA), polyacrylamide (PAAm) and polyethylene oxide (PEO) polymeric blend via casting method. The prepared films were characterized by X-ray, optical microscope (OM), scanning electron microscopy (SEM), Fourier transformation infrared (FTIR) and UV/Visible. The OM and SEM images showed that the AgNPs were well diffused inside the polymer blend with some weak aggregations. The optical properties were enhanced after doping. The NCs films absorbed UV-ray at (λ=220 nm). The indirect energy gap decreased after loading from 3.80 to 3.10 eV but the direct energy gap decreased from 4.25 to 3.75 eV. The AC electrical properties were studied in the frequency range between 100 Hz to 5 MHz. The dielectric constant and loss of NC films were decreased with the increase of AgNPs, while the electrical conductivity increased. The inhibition zone diameters of Escherichia coli bacteria increased with the increasing of AgNPs contents.

Keywords

PEOSilver NPsAC conductivityAntibacterial

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Nano Biomedicine and Engineering
Volume 14 Issue 2,
June 2022
Pages 114-122
DOI: 10.5101/nbe.v14i2.p114-122
Cite this article:
Abdali K, Abass KH, Al-Bermany E, et al. Morphological, Optical, ElectricalCharacterizations and Anti-Escherichia coli Bacterial Efficiency (AECBE) of PVA/PAAm/PEO Polymer Blend Doped with Silver NPs. Nano Biomedicine and Engineering, 2022, 14(2): 114-122. https://doi.org/10.5101/nbe.v14i2.p114-122
Part of a topical collection:
Advanced Research on Silver Nanoparticles (AgNPs)

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Received: 08 November 2021
Accepted: 18 October 2022
Published: 23 November 2022
© Karar Abdali, Khalid Haneen Abass, Ehssan Al-Bermany, Enas M. Al-robayi, and Ashraq M. Kadim.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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