Keywords = Optimization
Statistical Optimization of β-galactosidase production from Newly Isolated Bacillus licheniformis 17KAN-M3 Strain

Volume 68, Issue 8, August 2025, Pages 341-351

10.21608/ejchem.2025.327019.10603

Sara A. Kassem; Shireen A.A. Saleh; mohamed Ahmed Abdel-Naby; Naziha M. Hassanein; Samia Abdel-Aziz Ahmed


Sustainable Production of Lactic Acid by Enterococcus Gallinarum from Agricultural Wastes

Volume 68, Issue 7, July 2025, Pages 17-31

10.21608/ejchem.2025.323555.10566

M A Gad; I Tantawy; Soha Hamdy; Mohamed Hosny; Huda Saleh El-Sheshtawy


Optimization for Synthesis of Solid Alcohol from Supernatant-Waste Cooking Oil using Box-Behnken Design

Volume 68, Issue 4, April 2025, Pages 395-404

10.21608/ejchem.2024.300483.9922

Heri Septya Kusuma; Muhammad Redo Ramadhan; Dyan Hatining Ayu Sudarni; Debora Engelien Christa Jaya; Dwi Kurnia Afifah; Safinah Annajah Nasution; Deva Meida Fachri; Ratu Kalya Mongilong


Application of Response Surface Methodology (RSM) in Production of Potassium Aluminium Sulphate from Egyptian Kaolin

Volume 68, Issue 3, March 2025, Pages 465-477

10.21608/ejchem.2024.297748.9874

Sohair Taha Aly; Kareem Mohammed Tharwat; Ahmed Gamal Mohammed; Hesham Taha Salem; Mohammed Hany Abd-El Hady; Mohammed Nasser Abd-El-Kader; Mohammed Nabil Galal; Mohammed Nabil Abd-El Kader; Mohab Taha Mohammed; Mahmoud Ahmed Mabrouk


Synthesis and RSM Optimization of Methyl Ester from Waste Fish Oil by Transesterification Using Potassium Hydroxide Catalyst

Volume 67, Issue 13, December 2024, Pages 2189-2196

10.21608/ejchem.2024.301664.9961

R. M. Mohamed; Hassan M. M. Mustafa; Abeer Mahmoud Shoaib; Gamal Kamel Hassan; Walaa Mahmoud Shehata; Ahmed Abdel-Moneim Afify


Improving Biodiesel Quality and Productivity from Egyptian Castor by Studying Optimization Factors

Volume 67, Issue 11, November 2024, Pages 425-432

10.21608/ejchem.2024.278789.9500

Hassan M. M. Mustafa; R. M. Mohamed; Mohamed Yasser Abdelsadak; Zeyad A. Gouda; M. Magdy Mokhtar; Ahmed Mostafa M.; Mohamed A. Ghareb; Adham Hossam E.; Omar Mohamed S.; Sherihan El-Hadidy


Evaluation and Enhancement of Bioactive Compounds of Aspergillus terreus Endophyte Isolated from Neem by Gamma Irradiation

Volume 67, Issue 2, February 2024, Pages 339-355

10.21608/ejchem.2023.219348.8175

Eman Elsayed Abd Eltawab; Yousseria Mohamed Shetaia; Tarek Mahmoud El-Mongy; Amany Badr El-Deen Abd El Aziz


Investigation of Antimicrobial Activities of Certain Isolated Fungi and Characterization of Bioactive Compound

Volume 66, Issue 13, December 2023, Pages 1657-1670

10.21608/ejchem.2023.213929.8038

Abdelhamid K. Ghamry; Mohammed Yosri; Hussein H. El-Sheikh; Ahmed M. Salah; Ahmed Younis


Optimization and Characterization of Bio-Silica Extraction from Rice Straw Using RSM

Volume 66, Issue 11, November 2023, Pages 373-383

10.21608/ejchem.2023.161205.6968

Eman Mohamed Abdel Hamid; Mohamed Ismail; Mohanned Moussa; Mostafa Abdel Aziz; Moamen Sobhy; Ramadan Mohamed; Yousef Mohamed


Purification, Molecular Characterization, and Anticancer Activities of L- Asparaginase extracted from Staphylococcus aureus

Volume 66, Issue 5, May 2023, Pages 245-259

10.21608/ejchem.2022.148929.6434

Doaa B. Darwish; Salma S. Alrdahe; Yahya S. Al-Awthan; Imadeldin Elfaki; Tarig M. Alnour; Ahmed B. Darwish; Entsar A. Saad; Salem A. Habeb; Magdy M. Youssef


Optimization for Ultrasonic-Assisted Extraction of Aframomum melegueta Phenolics Using Response Surface Methodology

Volume 64, Issue 6, June 2021, Pages 3153-3160

10.21608/ejchem.2021.52321.3080

Rabab Mahrous Abdou; Riham Salah El Dine; Nebal Darweesh El-Tanbouly; Aly Mohamed El-sayed


Antimicrobial and antioxidant characteristics of exopolysaccharides produced by Agrobacterium tumefaciens Cs5 and T1

Volume 63, Issue 11, November 2020, Pages 4423-4438

10.21608/ejchem.2020.26635.2542

Mohamed A. Moselhy; Fatma Shams Lotfy; Hussein E. Makboul; Abdallah S. Ali


Biogenesis of Silver Nanoparticles Feasible for Industrial Application Using Yeast-fungi Secreted Enzymes and Proteins

Volume 60, Conference Issue (The 8th International Conference of The Textile Research Division (ICTRD 2017), National Research Centre, Cairo 12622, Egypt.), December 2017, Pages 49-61

10.21608/ejchem.2017.1623.1136

Asem A. Mohamed; M.K. Zahran; M.H. El-Rafie