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Enhanced Visible-Light-Driven Photocatalytic Degradation of Emerging Water Contaminants by a Modified Zinc Oxide-Based Photocatalyst; In-Vivo and In-Vitro Toxicity Evaluation of Wastewater and Pco-Treated Water Publisher



Jafarisani M1 ; Cheshme Khavar AH2 ; Mahjoub AR3 ; Luque R4, 5 ; Rodriguezpadron D5 ; Satari M6 ; Gharravi AM7 ; Khastar H8 ; Kazemi SS8 ; Masoumikarimi M9
Authors
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Authors Affiliations
  1. 1. Environmental and Occupational Health Research Center, Shahroud University of Medical Sciences, Shahroud, Iran
  2. 2. Department of Basic Science, Farhangian University, Tehran, Iran
  3. 3. Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran, Iran
  4. 4. Departamento de Quimica Organica, Instituto de Quimica Fina y Nanoquimica, Universidad de Cordoba, Campus de Rabanales, Edificio Marie Curie (C-3), Ctra Nnal IV-A, Km 396, E14014 Cordoba, Spain
  5. 5. Peoples Friendship University of Russia (RUDN University), 6 Miklukho Maklaya str., Moscow, 117198, Russian Federation
  6. 6. Department of Biophysics, Faculty of Biological Sciences, Malayer University, Malayer, Iran
  7. 7. Tissue Engineering and Stem Cells Research Center, Shahroud University of Medical Sciences, Shahroud, Iran
  8. 8. School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
  9. 9. School of Medicine, Tehran University of Medical Sciences, Tehran, Iran

Source: Separation and Purification Technology Published:2020


Abstract

This study prepared Ga, S co-doped ZnO@reduced graphene oxide nanocomposite by an innovative wet chemical-assisted solvothermal method. The prepared nanocomposites were examined for their ability in the photocatalytic oxidation process (PCO) for detoxification and degradation of Acetaminophen (ACT) solution under visible irradiation. Compared to the pure ZnO, the co-doped catalysts revealed significantly enhanced photocatalytic performance, not only due to improving photogenerated electrons transportation but also by extending optical absorption to the visible light range. The complete degradation and 61% mineralization of 50 mg/L ACT was achieved in the PCO process during 60 min over optimized catalyst (Ga1.0S5.0@ZG). The cytotoxicity of untreated and PCO-treated ACT solutions were evaluated by the use of the HepG2 (Human hepatic cells), which revealed that ACT solution in the developed PCO system could be significantly detoxified. In-vivo study suggested treated solutions in the developed PCO reaction could considerably prevent the hepatotoxicity and nephrotoxicity effect of ACT. © 2019 Elsevier B.V.
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