1. Department of Studies in Physics, Manasagangotri, University of Mysore, Mysuru, India;
2. Department of Physics, Faculty of Education and Science, Turba Branch, Taiz University, Taiz, Yemen;
3. Department of Chemistry, Yuvaraja’s College, University of Mysore, Mysuru, India;
4. Department of Biochemistry, Faculty of Applied Science, University of Hajjah, Hajjah, Yemen;
5. Department of Biochemistry, Faculty of Education and Science, Al-Baydha University, Al-Baydha, Yemen