Highly effective antibiotic mineralization via laccase-immobilized nanocomposite beads coupled with fungal phycoremediation

Abstract

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HIGHLIGHTS • Laccase enzyme was successfully immobilized on synthesized ZnONPs-CS-PVPP and Ag@ZnONPs-CS-PVPP composite beads. • The biocatalyst demonstrated superior catalytic activity in degradation of tetracycline and Ciprofloxacin in wastewater. • Phycoremediation using Aspergillus sp. was used to achieve mineralization of the degradation by-products. • The plausible mechanisms of degradation of tetracycline and Ciprofloxacin were proposed • The antibiotic activity of tetracycline, ciprofloxacin and degradation byproducts was evaluated.