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Isotopic labelling for sensitive detection of nanoparticle uptake and translocation in plants from hydroponic medium and soil

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389030%3A_____%2F19%3A00509269" target="_blank" >RIV/61389030:_____/19:00509269 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1071/EN19064" target="_blank" >http://dx.doi.org/10.1071/EN19064</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1071/EN19064" target="_blank" >10.1071/EN19064</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Isotopic labelling for sensitive detection of nanoparticle uptake and translocation in plants from hydroponic medium and soil

  • Original language description

    Unintended releases of nanoparticles (NPs) into agricultural soil have recently raised concerns regarding NP accumulation in plants. In this study, specially synthesised isotopically labelled 107Ag-NPs, 65Cu-NPs and 70ZnO-NPs were exposed to three representative plants (Arabidopsis thaliana, Solanum lycopersicum (tomato) and Phragmites australis (common reed)) in hydroponic cultivation and, separately, to tomato plants cultivated in soil at concentrations of 2 mg L-1. Metal concentrations in all samples were analysed by inductively coupled plasma mass spectrometry following acid digestion. The use of isotopically labelled NPs confirmed that elevated levels of metals were from the NP source used for the experiments. Although the highest concentrations of NPs or metals were detected in roots in both hydroponic and soil cultivations, varied levels of translocation to shoots were observed in different plants under hydroponic cultivation. In soil cultivation, where tomato plants were grown to full maturity, low levels of 107Ag (0.38 mg kg-1) with respect to controls were recorded in tomato fruits, 70Zn showed the highest level of translocation to tomato stems (2.72 mg kg-1) and leaves (13.93 mg kg-1). Furthermore, the amounts of NPs retained in the soil (at different depths) after harvesting tomato plants were also determined, the highest concentrations of respective isotopes (1.25 mg kg-1 of 107Ag, 0.79 mg kg-1 of 65Cu, 4.06 mg kg-1 of 70Zn) were found in the top soil layer (∼3 cm). Analysis of NPs exposed to plants in hydroponic medium indicated that the presence of plants increases the dissolution of NPs. Scanning electron microscopy analysis enabled determination of the location of 107Ag-NPs in the roots of tomato plants grown in soil, these NPs were found to accumulate mainly in the cortical cells.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20801 - Environmental biotechnology

Result continuities

  • Project

    <a href="/en/project/8G15003" target="_blank" >8G15003: UPTAKE OF ENGINEERED NANOPARTICLES (ENPS) BY PLANTS AND ITS IMPLICATIONS FOR POTENTIAL REMEDIATION OF CONTAMINATED WATER AND SOIL</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2019

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Environmental Chemistry

  • ISSN

    1448-2517

  • e-ISSN

  • Volume of the periodical

    16

  • Issue of the periodical within the volume

    6

  • Country of publishing house

    AU - AUSTRALIA

  • Number of pages

    10

  • Pages from-to

    391-400

  • UT code for WoS article

    000486693000003

  • EID of the result in the Scopus database

    2-s2.0-85066070588