Finding the conditions for the beneficial use of ZnO nanoparticles towards plants-A review.

Venkata L Reddy Pullagurala, Ishaq O Adisa, Swati Rawat, Bojeong Kim, Ana C Barrios, Illya A Medina-Velo, Jose A Hernandez-Viezcas, Jose R Peralta-Videa, Jorge L Gardea-Torresdey

Journal: Environmental pollution (Barking, Essex : 1987) 2018;241():1175-1181

PMID: 30029327

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Abstract

Zinc oxide nanoparticles (ZnO NPs) have a wide range of applications in cosmetics, electrical, and optical industries. The wide range of applications of ZnO NPs, especially in personal care products, suggest they can reach major environmental matrices causing unforeseen effects. Recent literature has shown conflicting findings regarding the beneficial or detrimental effects of ZnO NPs towards terrestrial biota. In this review we carried out a comprehensive survey about beneficial, as well as detrimental aspects, of the ZnO NPs exposure toward various terrestrial plants. A careful scrutiny of the literature indicates that at low concentrations (about 50 mg/kg), ZnO NPs have beneficial effects on plants. Conversely, at concentrations above 500 mg/kg they may have detrimental effects, unless there is a deficiency of Zn in the growing medium. This review also remarks the critical role of the biotic and abiotic factors that may elevate or ameliorate the impact of ZnO NPs in terrestrial plants.

Address: Environmental Science and Engineering PhD Program, The University of Texas at El Paso, 500 West Univ. Ave, El Paso, TX, 79968, USA; University of California Center for Environmental Implications of Nanotechnology (UC CEIN), The University of Texas at El Paso, 500 West Univ. Ave, El Paso, TX, 79968, USA.; Environmental Science and Engineering PhD Program, The University of Texas at El Paso, 500 West Univ. Ave, El Paso, TX, 79968, USA; The Center for Nanotechnology and Agricultural Pathogen Suppression (CeNAPS), USA.; Department of Earth and Environmental Science, Temple University, 1901N. 13th Street, Philadelphia, PA, 19122, USA.; Chemistry and Biochemistry Department, The University of Texas at El Paso, 500 West Univ. Ave, El Paso, TX, 79968, USA; University of California Center for Environmental Implications of Nanotechnology (UC CEIN), The University of Texas at El Paso, 500 West Univ. Ave, El Paso, TX, 79968, USA.; Environmental Science and Engineering PhD Program, The University of Texas at El Paso, 500 West Univ. Ave, El Paso, TX, 79968, USA; Chemistry and Biochemistry Department, The University of Texas at El Paso, 500 West Univ. Ave, El Paso, TX, 79968, USA; University of California Center for Environmental Implications of Nanotechnology (UC CEIN), The University of Texas at El Paso, 500 West Univ. Ave, El Paso, TX, 79968, USA.; Environmental Science and Engineering PhD Program, The University of Texas at El Paso, 500 West Univ. Ave, El Paso, TX, 79968, USA; Chemistry and Biochemistry Department, The University of Texas at El Paso, 500 West Univ. Ave, El Paso, TX, 79968, USA; University of California Center for Environmental Implications of Nanotechnology (UC CEIN), The University of Texas at El Paso, 500 West Univ. Ave, El Paso, TX, 79968, USA; The Center for Nanotechnology and Agricultural Pathogen Suppression (CeNAPS), USA. Electronic address: [email protected].

DOI: 10.1016/j.envpol.2018.06.036

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MeSH Terms: Nanoparticles, Plants, Zinc Oxide