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292 results on '"Cabana, Hubert"'

16. Effects of potential inducers to enhance laccase production and evaluating concomitant enzyme immobilisation.

Author

Yüksek, Gülten, Taş, Didem Okutman, Ubay-Cokgor, Emine, Jones, J. Peter, Gosselin, Mathilde, and Cabana, Hubert

Subjects
LACCASE, SEWAGE disposal plants, POLAR solvents, ENZYMES, COPPER, HEXANE, ETHANOL
Abstract

This work investigated non-polar solvent hexane and polar solvents methanol and ethanol as inducers besides a well-known inducer, copper, for laccase production with and without mesoporous silica-covered plastic packing under sterilised and unsterilised conditions. The potential of waste-hexane water, which is generated during the mesoporous silica production process, was also investigated as a laccase inducer. During the study, the free and immobilised laccase activity on the packing was measured. The results showed that the highest total laccase activity, approximately 10,000 Units, was obtained under sterilised conditions with 0.5 mM copper concentration. However, no immobilised laccase activity was detected except in the copper and ethanol sets under unsterilised conditions. The maximum immobilised laccase activity of the sets that used waste hexane as an inducer was 1.25 U/mg packing. According to its significant performance, waste hexane can be an alternative inducer under sterilised conditions. Concomitant immobilised packing showed satisfactory laccase activities and could be a promising method to reduce operation costs and improve the cost-efficiency of enzymatic processes in wastewater treatment plants. [ABSTRACT FROM AUTHOR]

Published
2024
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21. Laccases from Extremophiles

Author

Pérez-Llano, Yordanis, Soler, Heilyn Pérez, Olivano, Axel Ramírez, Folch-Mallol, Jorge Luis, Cabana, Hubert, Batista-García, Ramón Alberto, Steinbüchel, Alexander, Series Editor, and Schlosser, Dietmar, editor

Published
2020
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34. Characterization of Three Different Sewage Sludge for Reuse in the Context of Sustainable Development in Algeria

Author

Belkaid, Ishak, Namane, Abdelkader, Cabana, Hubert, Nakib, Maamar, Abdalla, Hassan, Series editor, Abdul Mannan, Md., Series editor, Alalouch, Chaham, Series editor, Attia, Sahar, Series editor, Boemi, Sofia Natalia, Series editor, Bougdah, Hocine, Series editor, Bozonnet, Emmanuel, Series editor, De Bonis, Luciano, Series editor, Hawkes, Dean, Series editor, Kostopoulou, Stella, Series editor, Mahgoub, Yasser, Series editor, Mesbah Elkaffas, Saleh, Series editor, Mohareb, Nabil, Series editor, O. Gawad, Iman, Series editor, Oostra, Mieke, Series editor, Pignatta, Gloria, Series editor, Pisello, Anna Laura, Series editor, Rosso, Federica, Series editor, Kallel, Amjad, editor, Ksibi, Mohamed, editor, Ben Dhia, Hamed, editor, and Khélifi, Nabil, editor

Published
2018
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35. Identification of Emerging Contaminants in Drinking Waters

Author

Mokrane, Sana, Harik, Djamila, Cabana, Hubert, Abdalla, Hassan, Series editor, Abdul Mannan, Md., Series editor, Alalouch, Chaham, Series editor, Attia, Sahar, Series editor, Boemi, Sofia Natalia, Series editor, Bougdah, Hocine, Series editor, Bozonnet, Emmanuel, Series editor, De Bonis, Luciano, Series editor, Hawkes, Dean, Series editor, Kostopoulou, Stella, Series editor, Mahgoub, Yasser, Series editor, Mesbah Elkaffas, Saleh, Series editor, Mohareb, Nabil, Series editor, O. Gawad, Iman, Series editor, Oostra, Mieke, Series editor, Pignatta, Gloria, Series editor, Pisello, Anna Laura, Series editor, Rosso, Federica, Series editor, Kallel, Amjad, editor, Ksibi, Mohamed, editor, Ben Dhia, Hamed, editor, and Khélifi, Nabil, editor

Published
2018
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38. Simple screening protocol for identification of potential mycoremediation tools for the elimination of polycyclic aromatic hydrocarbons and phenols from hyperalkalophile industrial effluents

Author

Batista-García, Ramón Alberto, Kumar, Vaidyanathan Vinoth, Ariste, Arielle, Tovar-Herrera, Omar Eduardo, Savary, Olivier, Peidro-Guzmán, Heidy, González-Abradelo, Deborah, Jackson, Stephen A., Dobson, Alan D.W., Sánchez-Carbente, María del Rayo, Folch-Mallol, Jorge Luis, Leduc, Roland, and Cabana, Hubert

Published
2017
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45. Coimmobilized enzymes as versatile biocatalytic tools for biomass valorization and remediation of environmental contaminants - A review

Author

Rajendran, Devi Sri, primary, Venkataraman, Swethaa, additional, Kumar, P. Senthil, additional, Rangasamy, Gayathri, additional, Bhattacharya, Trishita, additional, Nguyen Vo, Dai-Viet, additional, Vaithyanathan, Vasanth Kumar, additional, Cabana, Hubert, additional, and Kumar, Vaidyanathan Vinoth, additional

Published
2022
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49. Impact of Pharmaceutical Compounds in the Bioremediation of Municipal Biosolids by the White-Rot-Fungi Trametes hirsuta

Author

Saibi, Sabrina, Haroune, Lounès, Savary, Olivier, Bellenger, Jean-Philippe, and Cabana, Hubert

Subjects
General Medicine
Abstract

The potential of microorganisms for the treatment of municipal biosolids is continuously growing. The present studies evaluated the potency of Trametes hirsuta for the reduction in biosolid mass, production of extracellular enzymes, and removal of pharmaceutical compounds (PhACs) in biosolid slurry in the presence and absence of spiked PhACs [5 non-steroidal anti-inflammatories (NSAIs) and 2 psychoactive compounds (PACs)]. Toxicity after 35 days of fungal treatment was also assessed. Results showed that the growth of T. hirsuta is limited above 25% and wholly inhibited above 50% of biosolids in the slurry. At 12% of biosolid concentration, biosolid mass was reduced by 90%, NSAIs were entirely removed, but PACs' removal was only ~20%. Increasing biosolid content to 25% did not markedly affect biosolid reduction but significantly enhanced the removal of PACs (>50%). Results also showed that both PhACs and biosolids induced the production of oxidative enzymes. In 12% biosolids in the slurry, the oxidative potential measured by the ABTS assay (OABTS) reached 5,000 mM of OABTS in the presence of PhACs, and 2,500 mM of OABTS without PhACs, as compared to 1,200 mM of OABTS in control culture. Finally, we report that white rot fungi (WRF) treatment significantly decreased the toxicity of the biosolids.

Published
2022

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