Sustainable removal of Ni(II) from waste water by freshly isolated fungal strains.

Chemosphere
Rohit SharmaM Shaheer Akhtar

Abstract

The release of untreated wastewater containing biotoxic substances in the form of heavy metals is one of the most crucial environmental and health challenges faced by our community. The recent advances in microbes derived removal has propelled bioremediation as a better and effective alternative to conventional techniques. Present study investigates the detoxification mechanisms evolved by the nickel (Ni(II)) resistant fungal strains, isolated from the industrial drain sites. The molecular detailing of the isolated fungal isolates confirms their identity as Neurospora crassa and Aspergillus flavus. Laboratory-scale experiments have established influence of different ranges of dose, pH, time, and metal concentration on the removal and uptake trends. Further, the variations in the carbon and nitrogen sources and agitation conditions has revealed the best substratum for achieving optimum results for the industrial exploitation of these microbes. SEM micrographs and FTIR spectra elucidates the superficial alterations on the mycelium of the fungal isolates and the involvement of active functional groups in the bioremediation of Ni(II) respectively. Biosorption of Ni(II) on living biomass has followed the Langmuir adsorption model. T...Continue Reading

References

Mar 24, 2016·Molecular Biology and Evolution·Sudhir KumarKoichiro Tamura
Nov 28, 2017·Ecotoxicology and Environmental Safety·Alexander E BurakovVinod K Gupta
Dec 6, 2018·Bioinorganic Chemistry and Applications·Ismael Acosta-RodríguezVíctor M Martínez-Juárez

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