Size effect of iron (III) oxide nanomaterials on the growth, and their uptake and translocation in common wheat (Triticum aestivum L.)

Ecotoxicology and Environmental Safety
Norah Al-AmriSezen Ozcelik

Abstract

Nanomaterials (NMs) have emerged in the last decades and are used in many disciplines such as industry, material sciences, biomedicine, biotechnology, bioenergy, and agriculture. The size of the NMs is a critical factor that affects NMs' integration and transfer into the biological systems. Therefore, this study aims at investigating the effect of NMs-size on i) plant growth and physiology, and ii) NMs uptake and translocation in plant tissues. For these purposes, iron (III) oxide (Fe2O3) NMs with varied sizes, 8-10, 20-40, and 30-50 nm, have been applied to wheat plants in a hydroponic system. Results showed that Fe2O3 NMs enhanced root length, plant height, biomass, and chlorophyll content of wheat. Confocal microscopy analysis indicated that Fe2O3 NMs cause injury in root-tip cells without a visible toxic symptom. Vibrating sample magnetometer (VSM), and inductively coupled plasma-mass spectroscopy (ICP-MS) analyses of leaf tissues revealed that all tested NMs were up taken by wheat plant and translocated to the leaves. Iron content was found to be dramatically increased in NMs-treated plant tissues, which possibly contributed to the growth enhancement. Experiments confirmed that Fe2O3 NMs with 20-40 nm size is much more eff...Continue Reading

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Citations

Aug 28, 2020·Nanomaterials·Luis A ParamoKaren Esquivel
Feb 10, 2021·Plant Physiology and Biochemistry : PPB·Premysl Landa
Jan 22, 2021·Ecotoxicology and Environmental Safety·María Florencia IannoneMaría Patricia Benavides
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Aug 21, 2021·Environmental Science and Pollution Research International·Huseyin TombulogluAyyar Manikandan

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