Ehab R. El‐Helow

Citric acid production by a novel Aspergillus niger isolate: II. Optimization of process parameters through statistical experimental designs

Walid A. Lotfy, Khaled M. Ghanem, Ehab R. El‐Helow · Bioresource Technology · 2007 · 155 citations

Biosynthesis, Engineering, Process Parameters +8

Cadmium biosorption by a cadmium resistant strain of Bacillus thuringiensis: regulation and optimization of cell surface affinity for metal cations

Ehab R. El‐Helow, Soraya A. Sabry, R.M. Amer · BioMetals · 2000 · 104 citations

Citric acid production by a novel Aspergillus niger isolate: I. Mutagenesis and cost reduction studies

Walid A. Lotfy, Khaled M. Ghanem, Ehab R. El‐Helow · Bioresource Technology · 2007 · 89 citations

Industrial Mycology, Biosynthesis, Engineering +8

Biodegradation of Chlorpyrifos by a Newly Isolated<i>Bacillus subtilis</i>Strain, Y242

Ehab R. El‐Helow, Mohamed E. I. Badawy, Mona E. M. Mabrouk et al. · Bioremediation Journal · 2013 · 50 citations

Engineering, Bacteriology, Microbial Physiology +17

Application of Factorial Designs for Optimization of Avicelase Production by a Thermophilic Geobacillus Isolate

Yasser R. Abdel-Fattah, Ehab R. El‐Helow, Khaled M. Ghanem et al. · Research Journal of Microbiology · 2007 · 38 citations

Biomanufacturing, Engineering, Factorial Designs +10