AI Article Synopsis
- Researchers isolated a bioflocculant-producing actinobacterium, Nocardiopsis sp. GRG 3, from heavy metal-contaminated marine environments to address toxic heavy metal removal efficiently.
- The strain showed a maximum flocculating activity of 80.90% at pH 7 with CaCl ions and glucose, and it was characterized by functional groups indicative of polysaccharides and proteins.
- The bioflocculant effectively removed substantial amounts of heavy metals, including 55.90% Cadmium, 85.90% Chromium, 74.7% Lead, and 51.90% Mercury, suggesting its potential for sustainable environmental management.
Article Abstract
The removal of toxic heavy metal ions from contaminated environments is a great challenge and requires an alternative rapid, efficient, economical bioremediation approach. Henceforth, bioflocculant producing endophytic actinobacterial sp. was isolated from heavy metal contaminated marine environments for heavy metal biosorption process. After molecular characterization, the isolated actinomycete starin was Nocardiopsis sp. GRG 3 (KT235642). It was indicated that the maximum flocculating activity of 80.90% with glucose, and yield is 4.52 g L. The optimum flocculating activity was reached at pH 7 in the presence of CaCl ions. Further, the bioflocculent produced Nocardiopsis sp. GRG 3 (KT235642) was characterized by fourier transform infrared analysis spectra (FTIR) and displayed the presence of carboxyl, hydroxyl, amino groups and characteristic of more polysaccharide and protein. The heavy metal sorption by bioflocculant Nocardiopsis sp. GRG 3 (KT235642) was effectively removed 55.90% Cd, 85.90% Cr, 74.7% Pb, and 51.90% Hg. Therefore, this study was proved that the bioflocculant derived from endophytic actinobacteria, Nocardiopsis sp. GRG 3 (KT235642) as a effective alternative method for decreasing the heavy metals towards sustainable environmental management.
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| http://dx.doi.org/10.1016/j.envres.2021.111708 | DOI Listing |
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