Immobilized lignin peroxidase on Fe3O4@SiO2@polydopamine nanoparticles for degradation of organic pollutants

Guo, Jin; Liu, Xiuchu; Zhang, Xiaomei; Wu, Juan; Chai, Chao; Ma, Dong; Chen, Qinghua; Xiang, Dan; Ge, Wei

doi:10.1016/j.ijbiomac.2019.07.105

Cited by 72 publications

(13 citation statements)

References 54 publications

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“…2,16 Hence, safe and environmentally benign approaches such as the use of enzymes or microorganisms are crucial for the treatment of wastewater containing dyed effluents. 17,18 Enzymes, as the green biocatalysts, could be employed in the removal of dyes from wastewater. However, free enzyme suffers from different limitations including product contamination, low stability, nonreusability, and high production costs.…”

Section: ■ Introductionmentioning

confidence: 99%

“…To eliminate dyes from wastewater, various methods including chemical oxidation, membrane filtration, adsorption, and photocatalytic degradation have been analyzed in detail. , However, it has been reported that these methods require a high cost and are complex to operate, and they also can mostly generate secondary contaminants. , Hence, safe and environmentally benign approaches such as the use of enzymes or microorganisms are crucial for the treatment of wastewater containing dyed effluents. , Enzymes, as the green biocatalysts, could be employed in the removal of dyes from wastewater. However, free enzyme suffers from different limitations including product contamination, low stability, nonreusability, and high production costs.…”

Section: Introductionmentioning

confidence: 99%

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Improvement of Laccase Activity Via Covalent Immobilization over Mesoporous Silica Coated Magnetic Multiwalled Carbon Nanotubes for the Discoloration of Synthetic Dyes

et al. 2021

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Due to its environmental friendliness and biodegradable ability, the enzymatic decolorization of azo dyes is the best option. However, the free enzyme suffers from various limitations, including poor stability, no repeatable use, and a high expense, which is the key drawback for its practical use. In this analysis, the laccase enzyme was immobilized in mesoporous silica coated magnetic multiwalled carbon nanotubes (Fe 3 O 4 -MWCNTs@SiO 2 ) by a glutaraldehyde cross-linker to create an easily separable and stable enzyme. Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), and energy-dispersive Xray spectroscopy (EDX) were used to characterize the as-synthesized Fe 3 O 4 -MWCNTs@SiO 2 . Laccase immobilized in Fe 3 O 4 -MWCNTs@SiO 2 showed a good improvement in temperature, pH, and storage stability. Moreover, the operational stability of the biocatalyst was improved, retaining 87% of its original activity even after 10 cycles of 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) oxidation. The biocatalysts were applied for the decolorization of selected azo dyes without a mediator, and up to 99% of Eriochrome Black T (EBT), 98% of Acid Red 88 (AR 88), and 66% of Reactive Black 5 (RB5) were decolorized. Based on these properties, the biocatalysts can be potentially utilized in various environmental and industrial applications.

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Section: ■ Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Improvement of Laccase Activity Via Covalent Immobilization over Mesoporous Silica Coated Magnetic Multiwalled Carbon Nanotubes for the Discoloration of Synthetic Dyes

et al. 2021

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“…Immobilized lignin peroxidase dissipated 100% of dibutyl phthalate, phenol, tetracycline, and 5-chlorophenol. The removal of benzo(a)pyrene, phenanthrene, and fluoranthene was observed at 65, 79, and 73%, respectively (Guo et al, 2019). In another study, the recombinant cyanate hydratase was immobilized on iron-oxide-filled magnetic MWCNTs.…”

Section: Nanotechnology and Enzyme Technologymentioning

confidence: 97%

Microbial Nanotechnology for Bioremediation of Industrial Wastewater

Mandeep

Shukla

2020

Front. Microbiol.

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Pollutant removal from industrial effluents is a big challenge for industries. These pollutants pose a great risk to the environment. Nanotechnology can reduce the expenditure made by industries to mitigate these pollutants through the production of eco-friendly nanomaterials. Nanomaterials are gaining attention due to their enhanced physical, chemical, and mechanical properties. Using microorganisms in the production of nanoparticles provides an even greater boost to green biotechnology as an emerging field of nanotechnology for sustainable production and cost reduction. In this mini review, efforts are made to discuss the various aspects of industrial effluent bioremediation through microbial nanotechnology integration. The use of enzymes with nanotechnology has produced higher activity and reusability of enzymes. This mini review also provides an insight into the advantages of the use of nanotechnology as compared to conventional practices in these areas.

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“…13 ). Other enzymes immobilized on different supports, such as laccase on cyclodextrin-modified chitosan, 45 horseradish peroxidase on reduced graphene oxide, 46 turnip peroxidase in alginate gel, 47 and lignin peroxidase on Fe 3 O 4 @SiO 2 @ polydopamine nanoparticles, 48 have also been reported to work on phenol removal. Hence, in addition to the above available biocatalysts, tyrosinase@ZIF-8 offers a new one potential for phenolic wastewater treatment.…”

Section: Synthesis Of 3 0 -Hydroxypterostilbene From Pterostilbenementioning

confidence: 99%

Mushroom tyrosinase immobilized in metal–organic frameworks as an excellent catalyst for both catecholic product synthesis and phenolic wastewater treatment

Wei

Feng

et al. 2021

J of Chemical Tech & Biotech

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BACKGROUND Metal–organic frameworks (MOFs) have gained increasing attention with ever‐expanding applications. Developing new MOF‐based immobilized enzymes with new applications is required, not only for demonstrating the generality and applicability of using MOFs for enzyme immobilization, but also to provide potential biocatalysts for industrial applications. To the best of the authors’ knowledge, this is the first report of immobilizing mushroom tyrosinase on zeolitic imidazolate frameworks (ZIFs), with two new applications being developed. RESULTS Upon immobilization through a one‐pot in situ encapsulation approach, the resultant tyrosinase@ZIF‐8 was characterized in structural features and catalytic properties. It was much more stable against pH and temperature relative to the free enzyme. The new biocatalyst was highly efficient in catalyzing the synthesis of catecholic products with pharmacological benefits (l‐DOPA, piceatannol and 3′‐hydroxypterostilbene) and in eliminating phenolic pollutants (phenol, p‐cresol, p‐chlorophenol). Excellent productivities were obtained for the synthesis of the three catecholic products (0.14, 1.38 and 1.46 g L−1 h−1, respectively). A complete removal of the three phenolic pollutants was achieved within 2.5 h, superior to other processes mediated by the same enzyme, or others, immobilized on different supports. The reusability of the new biocatalyst can be remarkably improved by entrapment into polyvinyl alcohol‐alginate gel. CONCLUSIONS Tyrosinase can be immobilized on a new type of MOF with advantages such as easy preparation and excellent catalytic performance. This novel immobilization strategy for tyrosinase offers an excellent biocatalyst potent for both catecholic product synthesis and phenolic wastewater treatment. © 2021 Society of Chemical Industry (SCI).

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Immobilized lignin peroxidase on Fe3O4@SiO2@polydopamine nanoparticles for degradation of organic pollutants

Cited by 72 publications

References 54 publications

Improvement of Laccase Activity Via Covalent Immobilization over Mesoporous Silica Coated Magnetic Multiwalled Carbon Nanotubes for the Discoloration of Synthetic Dyes

Improvement of Laccase Activity Via Covalent Immobilization over Mesoporous Silica Coated Magnetic Multiwalled Carbon Nanotubes for the Discoloration of Synthetic Dyes

Microbial Nanotechnology for Bioremediation of Industrial Wastewater

Mushroom tyrosinase immobilized in metal–organic frameworks as an excellent catalyst for both catecholic product synthesis and phenolic wastewater treatment

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