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Open AccessArticle

Nickel-Doped Cerium Oxide Nanoparticles: Green Synthesis Using Stevia and Protective Effect against Harmful Ultraviolet Rays

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NanoBioEletrochemistry Research Center, Bam University of Medical Sciences, Bam 76617-71967, Iran
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Cell Therapy and Regenerative Medicine Comprehensive Center, Kerman University of Medical Sciences, Kerman 7618747653, Iran
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Students Research Committee, School of Public Health, Bam University of Medical Sciences, Bam 76617-71967, Iran
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Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran 14167-53955, Iran
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Cellular and Molecular Biology Research Center, Larestan University of Medical Sciences, Larestan 74319-75566, Iran
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School of Technology and Sciences, São Paulo State University (Unesp), Presidente Prudente-SP 19060-900, Brazil
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Medical Ethics and Law Research Center, Shahid Beheshti University of Medical Sciences, Tehran 19857-17443, Iran
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Author to whom correspondence should be addressed.
Academic Editors: Francesco Baino and Saeid Kargozar
Molecules 2019, 24(24), 4424; https://doi.org/10.3390/molecules24244424
Received: 5 October 2019 / Revised: 15 November 2019 / Accepted: 18 November 2019 / Published: 4 December 2019
(This article belongs to the Special Issue Biomedical Applications of Cerium-Doped Materials and Nanoceria)
Nanoparticles of cerium oxide CeO2 are important nanomaterials with remarkable properties for use in both industrial and non-industrial fields. In a general way, doping of oxide nanometric with transition metals improves the properties of nanoparticles. In this study, nickel- doped cerium oxide nanoparticles were synthesized from Stevia rebaudiana extract. Both doped and non-doped nanoparticles were characterized by X-ray diffraction, Field Emission Scanning Electron Microscopy, Energy Dispersive X-ray, Raman spectroscopy, and Vibrating-Sample Magnetometry analysis. According to X-ray diffraction, Raman and Energy Dispersive X-ray crystalline and single phase of CeO2 and Ni doped CeO2 nanoparticles exhibiting fluorite structure with F2g mode were synthesized. Field Emission Scanning Electron Microscopy shows that CeO2 and Ni doped nanoparticles have spherical shape and sizes ranging of 8 to 10 nm. Ni doping of CeO2 results in an increasing of magnetic properties. The enhancement of ultraviolet protector character via Ni doping of CeO2 is also discussed. View Full-Text
Keywords: Ni-doped CeO2 nanoparticles; Stevia rebaudiana; UV protection; VSM Ni-doped CeO2 nanoparticles; Stevia rebaudiana; UV protection; VSM
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Khatami, M.; Sarani, M.; Mosazadeh, F.; Rajabalipour, M.; Izadi, A.; Abdollahpour-Alitappeh, M.; Lima Nobre, M.A.; Borhani, F. Nickel-Doped Cerium Oxide Nanoparticles: Green Synthesis Using Stevia and Protective Effect against Harmful Ultraviolet Rays. Molecules 2019, 24, 4424.

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