Journal of Hazardous Materials, volume 401, pages 123353

Co-immobilization of laccase and ABTS onto amino-functionalized ionic liquid-modified magnetic chitosan nanoparticles for pollutants removal

Publication typeJournal Article
Publication date2021-01-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor13.6
ISSN03043894
Environmental Chemistry
Environmental Engineering
Health, Toxicology and Mutagenesis
Pollution
Waste Management and Disposal
Abstract
This work aims to achieve the co-immobilization of laccase and 2,2-binamine-di-3-ethylbenzothiazolin-6-sulfonic acid (ABTS) to improve removal capability of the biocatalyst for pollutants while avoiding potential pollution caused by ABTS. The laccase was immobilized on magnetic chitosan nanoparticles modified with amino-functionalized ionic liquid containing ABTS (MACS-NIL) based on Cu ion chelation (MACS-NIL-Cu-lac). The carrier was characterized by Fourier transform infrared spectroscopy, thermogravimetric analysis, x-ray diffraction and etc., and electron paramagnetic resonance confirmed the mediator molecule ABTS on the carrier could also play the role of electron transmission. MACS-NIL-Cu-lac presented relatively high immobilization capacity, enhanced activity (1.7-fold that of free laccase), improved pH and temperature adaptability, and increased thermal and storage stability. The removal performance assay found that MACS-NIL-Cu-lac had a good removal efficiency with 100.0 % for 2,4-dichlorophenol in water at 25 °C, even when the concentration reached 50 mg/L. Reusability study showed that after six catalytic runs, the removal efficiency of 2,4-dichlorophenol by MACS-NIL-Cu-lac could still reach 93.2 %. Additionally, MACS-NIL-Cu-lac exhibited higher catalytic efficiencies with 100.0 %, 70.5 % and 93.3 % for bisphenol A, indole, and anthracene, respectively. The high catalytic performance in pure water system obtained by the novel biocatalyst co-immobilizing laccase and electron mediator ABTS showed greater practical application value.

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Qiu X. et al. Co-immobilization of laccase and ABTS onto amino-functionalized ionic liquid-modified magnetic chitosan nanoparticles for pollutants removal // Journal of Hazardous Materials. 2021. Vol. 401. p. 123353.
GOST all authors (up to 50) Copy
Qiu X., Wang S., Miao S., Suo H., Xu H., Hu Y., Hu Y. Co-immobilization of laccase and ABTS onto amino-functionalized ionic liquid-modified magnetic chitosan nanoparticles for pollutants removal // Journal of Hazardous Materials. 2021. Vol. 401. p. 123353.
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RIS Copy
TY - JOUR
DO - 10.1016/j.jhazmat.2020.123353
UR - https://doi.org/10.1016/j.jhazmat.2020.123353
TI - Co-immobilization of laccase and ABTS onto amino-functionalized ionic liquid-modified magnetic chitosan nanoparticles for pollutants removal
T2 - Journal of Hazardous Materials
AU - Qiu, Xiang
AU - Wang, Shushu
AU - Miao, Shanshan
AU - Suo, Hongbo
AU - Xu, Huajin
AU - Hu, Yi
AU - Hu, Yi
PY - 2021
DA - 2021/01/01 00:00:00
PB - Elsevier
SP - 123353
VL - 401
SN - 0304-3894
ER -
BibTex
Cite this
BibTex Copy
@article{2021_Qiu,
author = {Xiang Qiu and Shushu Wang and Shanshan Miao and Hongbo Suo and Huajin Xu and Yi Hu and Yi Hu},
title = {Co-immobilization of laccase and ABTS onto amino-functionalized ionic liquid-modified magnetic chitosan nanoparticles for pollutants removal},
journal = {Journal of Hazardous Materials},
year = {2021},
volume = {401},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016/j.jhazmat.2020.123353},
pages = {123353},
doi = {10.1016/j.jhazmat.2020.123353}
}
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