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Synthesis of an enhanced nanobiocatalyst system from Aspergillus niger as single green source
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Journal Article
Synthesis of an enhanced nanobiocatalyst system from Aspergillus niger as single green source
2025
Overview
The development of sustainable nanobiocatalysts is a focal challenge in green chemistry, requiring robust and eco-friendly production methods. This study introduces a single-source strategy that addresses this challenge. By utilizing the fungus
Aspergillus niger
as a single biological factory to simultaneously produce a lipase enzyme and biosynthesize the iron oxide nanoparticles (IONPs) that serve as lipase matrix support. This integrated approach ensures a high degree of compatibility between the enzyme and its nanoparticle support, which was confirmed during the immobilization step by an 81.73% yield and a remarkable 97.4% activity retention. The resulting nanobiocatalyst demonstrated a distinct operational stability, broad pH tolerance, and maintained over 80% of its activity after eight consecutive reuse cycles. In practical applications, the catalyst showed powerful bioremediation capabilities, achieving near-complete (> 95%) removal of industrial dyes and effective oil-stain removal from fabric. Our findings could establish that using a single biological source for both the enzyme and its immobilization matrix offers a new benchmark for future enzyme immobilization technologies.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
/ 631/326
/ 631/45
/ 631/61
/ 639/925
/ Aspergillus niger - enzymology
/ Aspergillus niger - metabolism
/ Biodegradation, Environmental
/ Biogenic iron oxide nanoparticles
/ Enzymes
/ Enzymes, Immobilized - chemistry
/ Enzymes, Immobilized - metabolism
/ Green Chemistry Technology - methods
/ Humanities and Social Sciences
/ Lipase
/ Proteins
/ Science
