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An Aspergillus aculateus strain was capable of producing agriculturally useful nanoparticles via bioremediation of iron ore tailings
journal contribution
posted on 2018-06-01, 00:00 authored by Ankita Bedi, B R Singh, S K Deshmukh, Alok AdholeyaAlok Adholeya, Colin BarrowColin BarrowMining waste such as iron ore tailing is environmentally hazardous, encouraging researchers to develop effective bioremediation technologies. Among the microbial isolates collected from iron ore tailings, Aspergillus aculeatus (strain T6) showed good leaching efficiency and produced iron-containing nanoparticles under ambient conditions. This strain can convert iron ore tailing waste into agriculturally useful nanoparticles. Fourier-transform Infrared Spectroscopy (FT-IR analysis) established the at the particles are protein coated, with energy dispersive X-ray Spectroscopy (EDX analysis) showing strong signals for iron. Transmission Electron Microscopy (TEM analysis) showed semi-quasi spherical particles having average size of 15 ± 5 nm. These biosynthesized nanoparticles when tested for their efficacy on seed emergence activity of mungbean (Vigna radiata) seeds, and enhanced plant growth at 10 and 20 ppm.
History
Journal
Journal of environmental managementVolume
215Pagination
100 - 107Publisher
ElsevierLocation
Amsterdam, The NetherlandsPublisher DOI
ISSN
0301-4797eISSN
1095-8630Language
engPublication classification
C Journal article; C1 Refereed article in a scholarly journalCopyright notice
2018, Elsevier Ltd.Usage metrics
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