1. Department of Chemistry, Faculty of Science, Polymer Research Laboratory, Beni-Suef University, Beni Suef, Egypt
2. Faculty of Science, Micro-Analysis and Environmental Research and Community Services Center, Beni-Suef University, Beni Suef, Egypt
3. Department of Microbiology and Immunology, Faculty of Pharmacy, Beni-Suef University, Beni Suef, Egypt