1. University of Basrah Department of Chemistry, College of Science Basrah Iraq
2. University of the Western Cape Department of Chemistry Cape Town South Africa
3. The University of Bamenda Department of Fundamental Science, Higher Technical Teacher Training College Bambili Cameroon
4. Northwestern Polytechnical University School of Chemistry and Chemical Engineering 710129 Xi'an China
5. University of Malaya Nanotechnology and Catalysis Research Center, Institute for Advanced Studies 50603 Kuala Lumpur Malaysia
6. M. S. Ramaiah Institute of Technology Department of Chemistry 560054 Bengaluru, Karnataka India
7. Johannes Gutenberg University Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences Staudinger Weg 5 55128 Mainz Germany