Fredinandcohnia onubensis-Synthesized Silver Nanoparticles on Chitosan for Removal of the Pesticide Permethrin from Waste Waters for Aquaculture | ||||
| Egyptian Journal of Aquatic Biology and Fisheries | ||||
| Article 82, Volume 28, Issue 5, September and October 2024, Page 1381-1397 PDF (763.35 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejabf.2024.384347 | ||||
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| Author | ||||
| Tahoun et al. | ||||
| Abstract | ||||
| Pesticide residue levels in water bodies have increased due to the extensive use of pesticides in agriculture. To address this challenge, this study considered the possibility of using biogenic silver nanoparticles (Ag-NPs) embedded in chitosan beads to remove the pesticide. A simple, efficient method was used: Ag-NPs (diameter range: 8.02 to 27.2nm) were biosynthesized by Fredinandcohnia onubensis and then immobilized on chitosan to remove the permethrin from aqueous solutions. At 90%, the resultant chitosan silver nanoparticles composite (CS-Ag-NPs composite) showed a remarkable adsorption capacity. To be more precise, 1g of CS-Ag-NPs composite efficiently eliminated 90% of permethrin from a 25mL pesticide solution (0.1mg/ L) under controlled circumstances (35°C, pH 7-, and 60-minutes shaking). These results demonstrate the potential of Fredinandcohnia onubensis-biosynthesized CS-Ag-NPs composites as a novel, biocompatible, and eco-friendly method for the removal of pesticide in water treatment applications. | ||||
| Keywords | ||||
| Silver nanoparticles; permethrin; Fredinandcohnia onubensis; Bacillus onubensis; Chitosan bio-nanoparticles composite; Microbial adsorption | ||||
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