Biodegradation of high amounts of phenol, catechol, 2,4-dichlorophenol and 2,6-dimethoxyphenol by Aspergillus awamori cells

Стоилова, Иванка; Krastanov, Albert; Stanchev, Veselin; Daniel, David K.; Gerginova, Maria; Alexieva, Zlatka

doi:10.1016/j.enzmictec.2006.02.006

Cited by 108 publications

(61 citation statements)

References 17 publications

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“…the content of phenols in the supernatant was determined by hPlc analyses performed in a c 18 10 μm Bondapac column (3.9 mm × 300 mm) and Waters 484 UV detector (260 nm). the mobile phase was methanol-water (70:30), flow rate 0.2 mL/min and 22 °C (7).…”

Section: Methodsmentioning

confidence: 99%

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Comparison of the Biodegradation Capacity of Two Fungal Strains Toward a Mixture of Phenol and Cresol by Mathematical Modeling

Yemendzhiev

Златева

Alexieva

2012

Biotechnology & Biotechnological Equipment

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Section: Methodsmentioning

confidence: 99%

“…the degradation potential of Aspergillus awamori and Trametes versicolor toward phenol, phenol derivatives and their mixtures was analyzed in our previous investigations (7,8,9). it was obtained that the removal or degradation of one or all components could be slowed down and/or stopped depending on the composition of the studied mixture.…”

Section: Introductionmentioning

confidence: 99%

Comparison of the Biodegradation Capacity of Two Fungal Strains Toward a Mixture of Phenol and Cresol by Mathematical Modeling

Yemendzhiev

Златева

Alexieva

2012

Biotechnology & Biotechnological Equipment

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“…Selected cells were chosen considering their phenol degradation ability and known fermentation products according to literature [5][6][7][8][9][10][11].…”

Section: Bacteria and Fungimentioning

confidence: 99%

Biorefinery meets biofermentation to produce food additives

Kilic

Bach

2013

WIT Transactions on Ecology and the Environment

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The overall goal of the project was to transfer the concept of biorefinery to a biofermentation process to produce e.g. nutrients, enzymes or biopolymers. The feasibility of the strategy was proven in a fermentation process with industrial wastewater containing phenol as a toxic pollutant. The degrading experiments were done with native bacteria and fungi which have been selected according to literature in consideration of degrading attitude, degrading rates and metabolic properties. The second step was to answer the question of to what extent value creation through fermentation of the selected organisms is possible. Questions on how to carry out the procedure, the localisation of the product (intracellular or extra cellular) and its traceability were also pursued. Possible products have been analysed. As a result thereof an enzyme assay has been carried out to verify the units of an extra cellular α-amylase. The third step was to improve the fermentation process through optimisation of parameters like O 2 -transfer and feeding strategies for the minimal substrate. It could be shown that produced biomass could be doubled. Further experiments are necessary to provide for optimised economical process and product utilisation.

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“…Samples were taken at a 24 h interval and centrifuged at 5000 rpm for 20 min to settle the cells down. The dry weight of the cells was determined by ULTRA X apparatus for drying (6).…”

Section: Microorganisms and Growth Conditionsmentioning

confidence: 99%