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Enhancement of Dielectric and Optical Properties of (PVA-PAA-PEG) Blend-Yttrium Oxide Nanoparticle for Biomedical Applications

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In this paper, effect of yttrium oxide nanoparticles on dielectric and optical properties has been studied for biomedical applications. The optical properties have been measured in wavelength range (220–800) nm. The results show that enhancement in optical properties of polymers blend. The absorbance and optical constants of (PVA-PAA-PEG) blend increases with increase of the yttrium oxide nanoparticles concentrations. The energy band gap decreases with increasing yttrium oxide nanoparticles concentrations. The dielectric properties studied in frequency range 100 Hz–5 MHz. The experimental results show the dielectric parameters (dielectric constant, dielectric loss and A.C electrical conductivity) increase as the concentrations of yttrium oxide nanoparticles increases. The dielectric constant and dielectric loss decrease with increase of the frequency. In addition, A.C electrical conductivity increases with increase of the frequency. The nanocomposite have sensing for humidity and antibacterial activity for Escherichia coli.
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Keywords: ANTIBACTERIAL ACTIVITY; DIELECTRIC PARAMETERS; OPTICAL PROPERTIES; YTTRIUM OXIDE

Document Type: Research Article

Publication date: December 1, 2016

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  • Materials Focus is a multidisciplinary peer-reviewed journal with a very wide-ranging coverage, consolidates fundamental and applied research aspects in all areas of science and engineering of novel advanced materials including their synthesis, processing, spectroscopy, properties and device applications. The journal publishes full research papers, timely review articles, and short communications of important new scientific findings, encompassing all fundamental and applied research aspects of emerging advanced materials.
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