Facile Synthesis, Characterization, Photocatalytic Activity, and Cytotoxicity of Ag-Doped MgO Nanoparticles

Due to unique physicochemical properties, magnesium oxide nanoparticles (MgO NPs) have shown great potential for various applications, including biomedical and environmental remediation. Moreover, the physiochemical properties of MgO NPs can be tailored by metal ion doping that can be utilized in ph...

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Autores principales:	ZabnAllah M. Alaizeri, Hisham A. Alhadlaq, Saad Aldawood, Mohd Javed Akhtar, Mabrook S. Amer, Maqusood Ahamed
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	MgO nanoparticles Ag doping structural characterization photocatalytic activity cytotoxicity Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/45c061dab5bd45a4a1d20bfca338365b
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spelling	oai:doaj.org-article:45c061dab5bd45a4a1d20bfca338365b2021-11-25T18:30:49ZFacile Synthesis, Characterization, Photocatalytic Activity, and Cytotoxicity of Ag-Doped MgO Nanoparticles10.3390/nano111129152079-4991https://doaj.org/article/45c061dab5bd45a4a1d20bfca338365b2021-10-01T00:00:00Zhttps://www.mdpi.com/2079-4991/11/11/2915https://doaj.org/toc/2079-4991Due to unique physicochemical properties, magnesium oxide nanoparticles (MgO NPs) have shown great potential for various applications, including biomedical and environmental remediation. Moreover, the physiochemical properties of MgO NPs can be tailored by metal ion doping that can be utilized in photocatalytic performance and in the biomedical field. There is limited study on the photocatalytic activity and biocompatibility of silver (Ag)-doped MgO NPs. This study was planned for facile synthesis, characterization, and photocatalytic activity of pure and silver (Ag)-doped MgO NPs. In addition, cytotoxicity of pure and Ag-doped MgO NPs was assessed in human normal umbilical vein endothelial cells (HUVECs). Pure MgO NPs and Ag-doped (1, 2, 5, and 7.5 mol%) MgO NPs were prepared via a simple sol-gel procedure. X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared (FTIR), photoluminescence (PL), and X-ray photoelectron spectroscopy (XPS) were used to characterize the prepared samples. XRD results showed the preparation of highly crystalline NPs with no impurity peaks. TEM and SEM studies indicate smooth surfaces with almost spherical morphology of MgO NPs, and Ag-doping did not change the morphology. Elemental composition study suggested that Ag is uniformly distributed in MgO particles. Intensity of the PL spectra of MgO NPs decreased with increasing the concentration of Ag dopants. In comparison to pure MgO NPs, Ag-MgO NPs showed higher degradation of methylene blue (MB) dye under UV irradiation. The improved photocatalytic activity of Ag-MgO NPs was related to the effect of dopant concentration on reducing the recombination between electrons and holes. Cytotoxicity studies showed good biocompatibility of pure and Ag-doped MgO NPs with human normal umbilical vein endothelial cells (HUVECs). These results highlighted the potential of Ag-doped MgO NPs in environmental remediation.ZabnAllah M. AlaizeriHisham A. AlhadlaqSaad AldawoodMohd Javed AkhtarMabrook S. AmerMaqusood AhamedMDPI AGarticleMgO nanoparticlesAg dopingstructural characterizationphotocatalytic activitycytotoxicityChemistryQD1-999ENNanomaterials, Vol 11, Iss 2915, p 2915 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	MgO nanoparticles Ag doping structural characterization photocatalytic activity cytotoxicity Chemistry QD1-999
spellingShingle	MgO nanoparticles Ag doping structural characterization photocatalytic activity cytotoxicity Chemistry QD1-999 ZabnAllah M. Alaizeri Hisham A. Alhadlaq Saad Aldawood Mohd Javed Akhtar Mabrook S. Amer Maqusood Ahamed Facile Synthesis, Characterization, Photocatalytic Activity, and Cytotoxicity of Ag-Doped MgO Nanoparticles
description	Due to unique physicochemical properties, magnesium oxide nanoparticles (MgO NPs) have shown great potential for various applications, including biomedical and environmental remediation. Moreover, the physiochemical properties of MgO NPs can be tailored by metal ion doping that can be utilized in photocatalytic performance and in the biomedical field. There is limited study on the photocatalytic activity and biocompatibility of silver (Ag)-doped MgO NPs. This study was planned for facile synthesis, characterization, and photocatalytic activity of pure and silver (Ag)-doped MgO NPs. In addition, cytotoxicity of pure and Ag-doped MgO NPs was assessed in human normal umbilical vein endothelial cells (HUVECs). Pure MgO NPs and Ag-doped (1, 2, 5, and 7.5 mol%) MgO NPs were prepared via a simple sol-gel procedure. X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared (FTIR), photoluminescence (PL), and X-ray photoelectron spectroscopy (XPS) were used to characterize the prepared samples. XRD results showed the preparation of highly crystalline NPs with no impurity peaks. TEM and SEM studies indicate smooth surfaces with almost spherical morphology of MgO NPs, and Ag-doping did not change the morphology. Elemental composition study suggested that Ag is uniformly distributed in MgO particles. Intensity of the PL spectra of MgO NPs decreased with increasing the concentration of Ag dopants. In comparison to pure MgO NPs, Ag-MgO NPs showed higher degradation of methylene blue (MB) dye under UV irradiation. The improved photocatalytic activity of Ag-MgO NPs was related to the effect of dopant concentration on reducing the recombination between electrons and holes. Cytotoxicity studies showed good biocompatibility of pure and Ag-doped MgO NPs with human normal umbilical vein endothelial cells (HUVECs). These results highlighted the potential of Ag-doped MgO NPs in environmental remediation.
format	article
author	ZabnAllah M. Alaizeri Hisham A. Alhadlaq Saad Aldawood Mohd Javed Akhtar Mabrook S. Amer Maqusood Ahamed
author_facet	ZabnAllah M. Alaizeri Hisham A. Alhadlaq Saad Aldawood Mohd Javed Akhtar Mabrook S. Amer Maqusood Ahamed
author_sort	ZabnAllah M. Alaizeri
title	Facile Synthesis, Characterization, Photocatalytic Activity, and Cytotoxicity of Ag-Doped MgO Nanoparticles
title_short	Facile Synthesis, Characterization, Photocatalytic Activity, and Cytotoxicity of Ag-Doped MgO Nanoparticles
title_full	Facile Synthesis, Characterization, Photocatalytic Activity, and Cytotoxicity of Ag-Doped MgO Nanoparticles
title_fullStr	Facile Synthesis, Characterization, Photocatalytic Activity, and Cytotoxicity of Ag-Doped MgO Nanoparticles
title_full_unstemmed	Facile Synthesis, Characterization, Photocatalytic Activity, and Cytotoxicity of Ag-Doped MgO Nanoparticles
title_sort	facile synthesis, characterization, photocatalytic activity, and cytotoxicity of ag-doped mgo nanoparticles
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/45c061dab5bd45a4a1d20bfca338365b
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Facile Synthesis, Characterization, Photocatalytic Activity, and Cytotoxicity of Ag-Doped MgO Nanoparticles

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