1. Biochemistry Division, Chemistry Department, Faculty of Science Menoufia University Shebin El-Koom 32512 Egypt
2. Center for Targeted Drug Delivery, Department of Biomedical and Pharmaceutical Sciences Chapman University School of Pharmacy, Harry and Diane Rinker Health Science Campus Irvine CA 92618 USA
3. Department of Zoology, Faculty of Science Menoufia University Shebin El-Koom 32512 Egypt
4. Chemistry Department, Faculty of Science Menoufia University Shebin El-Koom 32512 Egypt