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Maghemite Nanoparticles Acts as Nanozymes, Improving Growth and Abiotic Stress Tolerance in Brassica napus
Swedish University Agricultural Sciences, Department of Chemistry and Biotechnology.
Swedish University Agricultural Sciences, Department of Chemistry and Biotechnology.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Swedish University Agricultural Sciences, Department of Chemistry and Biotechnology.
2017 (English)In: Nanoscale Research Letters, ISSN 1931-7573, E-ISSN 1556-276X, Vol. 12, article id 631Article in journal (Refereed) Published
Abstract [en]

Yttrium doping-stabilized γ-Fe2O3 nanoparticles were studied for its potential to serve as a plant fertilizer and, through enzymatic activity, support drought stress management. Levels of both hydrogen peroxide and lipid peroxidation, after drought, were reduced when γ-Fe2O3 nanoparticles were delivered by irrigation in a nutrient solution to Brassica napus plants grown in soil. Hydrogen peroxide was reduced from 151 to 83 μM g−1 compared to control, and the malondialdehyde formation was reduced from 36 to 26 mM g−1. Growth rate of leaves was enhanced from 33 to 50% growth compared to fully fertilized plants and SPAD-measurements of chlorophyll increased from 47 to 52 suggesting improved agronomic properties by use of γ-Fe2O3 nanoparticles as fertilizer as compared to chelated iron.

Place, publisher, year, edition, pages
2017. Vol. 12, article id 631
Keywords [en]
Nanozyme, Maghemite nanoparticles, Drought stress, Nanofertilizer, Catalase activity, Iron oxide nanoparticles, Nano agriculture, Agrobio nanotechnology, Growth promotion, Reactive oxygen species scavenging
National Category
Condensed Matter Physics Nano Technology Agricultural Biotechnology
Identifiers
URN: urn:nbn:se:uu:diva-339777DOI: 10.1186/s11671-017-2404-2ISI: 000418556200003PubMedID: 29260423OAI: oai:DiVA.org:uu-339777DiVA, id: diva2:1181832
Funder
Swedish Research Council Formas, 2012-581Available from: 2018-02-09 Created: 2018-02-09 Last updated: 2018-02-12Bibliographically approved

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