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Issue 12, 2015
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Mechanistic evaluation of translocation and physiological impact of titanium dioxide and zinc oxide nanoparticles on the tomato (Solanum lycopersicum L.) plant

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Abstract

Sustainable use of nanotechnology for agricultural practice requires an understanding of the plant's life cycle and potential toxicological impacts of nanomaterials. The main objective of this study was to compare the impact of TiO2 and ZnO nanoparticles of similar size (25 ± 3.5 nm) over a range of concentrations (0 to 1000 mg kg−1) on translocation and accumulation of nanoparticles in different plant sections; as well as to establish physiological impact on tomato plants. The results indicated that there is a critical concentration of TiO2 and ZnO nanoparticles upto which the plant's growth and development are promoted; with no improvement beyond that. Aerosol mediated application was found to be more effective than the soil mediated application on the uptake of the nanoparticles was in plants. A mechanistic description of nanoparticle uptake, translocation and resultant plant response is unraveled. The present investigation demonstrates the concept of nanoparticle farming by understanding plant – nanoparticle interaction and biodistribution.

Graphical abstract: Mechanistic evaluation of translocation and physiological impact of titanium dioxide and zinc oxide nanoparticles on the tomato (Solanum lycopersicum L.) plant

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Publication details

The article was received on 24 Jun 2015, accepted on 08 Oct 2015 and first published on 08 Oct 2015


Article type: Paper
DOI: 10.1039/C5MT00168D
Citation: Metallomics, 2015,7, 1584-1594
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    Mechanistic evaluation of translocation and physiological impact of titanium dioxide and zinc oxide nanoparticles on the tomato (Solanum lycopersicum L.) plant

    R. Raliya, R. Nair, S. Chavalmane, W. Wang and P. Biswas, Metallomics, 2015, 7, 1584
    DOI: 10.1039/C5MT00168D

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