1. School of ChemistryTrinity Biomedical Sciences InstituteTrinity College Dublin 152-160 Pearse St. Dublin 2 Ireland
2. Department of OncologyWeatherall Institute of Molecular MedicineUniversity of Oxford, John Radcliffe Hospital Oxford OX3 9DS UK
3. Department of ChemistryUniversity of Oxford 12 Mansfield Road Oxford OX1 3TA UK
4. Chemistry Branch, Department of Science and MathematicsFaculty of Petroleum and Mining Engineering, Suez University Suez 43721 Egypt