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Ali M. Elshafei

Publications (5)

Biodecolorization of Six Synthetic Dyes by Pleurotus ostreatus ARC280 Laccase in Presence and Absence of Hydroxybenzotriazole (HBT)

Ali M. Elshafei, Maysa A. Elsayed, Mohamed M. Hassan, Bakry M. Haroun, Abdelmageed M. Othman & Ayman A. Farrag · Annual Research & Review in Biology · 2017

Aim: The aim of the present study was to investigate the potential effect of laccase enzyme produced by the fungus Pleurotus ostreatus to decolorize six synthetic dyes in presence and absence of hydroxybenzotriazole (HBT) as a laccase mediator. Study Design: Qualitative and quant...

Open access Research Article 10.9734/ARRB/2017/35644

Catalyzed Mediator-Based Decolorization of Five Synthetic Dyes by Pleurotus ostreatus ARC280 Laccase

Ali M. Elshafei, Abdelmageed M. Othman, Mohamed M. Hassan, Bakry M. Haroun, Maysa A. Elsayed & Ayman A. Farrag · Biotechnology Journal International · 2015

Aim: The aim of the present study was to evaluate qualitatively the decolorization of five dyes by Pleurotus ostreatus (P. ostreatus) ARC280 using solid medium. The laccase produced by the fungus was used in terms of its concentration and thermal stability for enzymatic decoloriz...

Open access Research Article 10.9734/BBJ/2015/19505

Decolorization of Cibacron Blue 3G-A Dye by Agaricus bisporus CU13 Laccase - Mediator System: A Statistical Study for Optimization via Response Surface Methodology

Abdelmageed M. Othman, Ali M. Elshafei, Maysa A. Elsayed & Mohamed M. Hassan · Annual Research & Review in Biology · 2018

Aim: the present study aims to optimize Cibacron Blue 3G-A decolorization as a model dye through laccase ‎enzymatic biocatalysis presenting the role of HBT as a redox mediator via ‎RSM approach.‎ Study Design: RSM using Central Composite Design (CCD) was used in order to determin...

Open access Research Article 10.9734/ARRB/2018/40772

Purification, Biochemical Characterization and Applications of Pleurotus ostreatus ARC280 Laccase

Abdelmageed M. Othman, Ali M. Elshafei, Mohamed M. Hassan, Bakry M. Haroun, Maysa A. Elsayed & Ayman A. Farrag · Microbiology Research Journal International · 2014

Aims: To purify, characterize, and apply the laccase produced by submerged fermentation using an edible mushroom Pleurotus ostreatus ARC280. Study Design:  Laccase purification and characterization were designed using the most recent approaches and statistical studies of triplica...

Open access Research Article 10.9734/BMRJ/2014/11218

Optimization of Cultural and Nutritional Parameters for the Production of Laccase by Pleurotus ostreatus ARC280

Maysa A. Elsayed, Mohamed M. Hassan, Ali M. Elshafei, Bakry M. Haroun & Abdelmageed M. Othman · Biotechnology Journal International · 2012

Aims: To optimize laccase production by submerged fermentation using an edible mushroom Pleurotus ostreatus ARC280. Study Design: Laccase activity was assayed by monitoring the product formation rate of enzymatic oxidation of syringaldazine spectrophotometrically at 525 nm. Place...

Open access Research Article 10.9734/BBJ/2012/1305