1. Microbial Chemistry Department, Genetic Engineering and Biotechnology Research Division National Research Centre Giza Egypt
2. Microbial Biotechnology Department, Genetic Engineering and Biotechnology Research Division National Research Centre Giza Egypt
3. Department of Protein and Manmade Fibre, Textile Industries Research Division National Research Centre Giza Egypt
4. Spectroscopy Department, Physics Division National Research Centre Giza Egypt
5. Pharmacognosy Department, Pharmaceutical and Drug Industries Research Division National Research Center Giza Egypt