1. Department of Chemistry, College of Education for Pure ScienceTikrit University Tikrit Iraq
2. Department of Biochemistry, College of Veterinary MedicineTikrit University Tikrit Iraq
3. Department of Petroleum Processes Engineering, College of Petroleum and Minerals EngineeringTikrit University Tikrit Iraq
4. Faculty of Science, Engineering and Computing LondonKingston University Kingston UK
5. Department of BiologyMiddle East University College Baghdad Iraq