Nanoscale Zero-Valent Iron Has Minimum Toxicological Risk on the Germination and Early Growth of Two Grass Species with Potential for Phytostabilization

0532526 - ÚVGZ 2021 RIV CH eng J - Článek v odborném periodiku
Teodoro, M. - Clemente, R. - Ferrer-Bustins, E. - Martinez-Fernandez, D. - Bernal, M. P. - Vítková, M. - Vítek, Petr - Komárek, M.
Nanoscale Zero-Valent Iron Has Minimum Toxicological Risk on the Germination and Early Growth of Two Grass Species with Potential for Phytostabilization.
Nanomaterials. Roč. 10, č. 8 (2020), č. článku 1537. E-ISSN 2079-4991
Grant CEP: GA MŠMT(CZ) EF16_019/0000797
Výzkumná infrastruktura: CzeCOS III - 90123
Institucionální podpora: RVO:86652079
Klíčová slova: in-situ remediation * chemical stabilization * root elongation * soil * plants * phytotoxicity * nanoparticles * nzvi * amendments * proline * nano zerovalent iron * plant stress * uptake * Agrostis capillaris * Festuca rubra
Obor OECD: Plant sciences, botany
Impakt faktor: 5.076, rok: 2020
Způsob publikování: Open access
https://www.mdpi.com/2079-4991/10/8/1537

TwoPoaceaespecies,Agrostis capillarisandFestuca rubra, were selected for their potential as phytostabilizing plants in multicontaminated soils. These species are resistant to contamination and maintain high concentrations of contaminants at the root level. Nanoscale zero-valent iron (nZVI) is an engineered nanomaterial with the ability to stabilize metal(loid)s in soils, its potential toxicological effects in the selected species were studied in a germination test using: (i) control variant without soil, (ii) soil contaminated with Pb and Zn, and (iii) contaminated soil amended with 1% nZVI, as well as in an hydroponic experiment with the addition of nZVI 0, 25, 50 and 100 mg L-1. nZVI had no negative effects on seed germination or seedling growth, but was associated with an increase in shoot growth and reduction of the elongation inhibition rate (root-dependent) ofF. rubraseedlings. However, applications of nZVI in the hydroponic solution had no effects onF. rubrabutA. capillarisdeveloped longer roots and more biomass. Increasing nZVI concentrations in the growing solution increased Mg and Fe uptake and reduced the Fe translocation factor. Our results indicate that nZVI has few toxic effects on the studied species.
Trvalý link: http://hdl.handle.net/11104/0310992