Katholieke Universiteit Leuven Group Biomedical Sciences Faculty of Pharmaceutical Sciences Laboratory for Radiopharmacy Synthesis and Evaluation of Radiolabeled Bicyclic Nucleoside Analogues (BCNAs) for In Vivo Visualization of Varicella-Zoster Virus Thymidine Kinase (VZV-tk) Gene Expression Satish K. CHITNENI Jury : Promoter : Prof. Dr. Guy Bormans Copromoter : Prof. Dr. Alfons Verbruggen Chair : Prof. Dr. Arthur Van Aerschot Secretary : Prof. Dr. Ann Gils Members : Prof. Dr. Jan Balzarini Prof. Dr. Michael Eisenhut Leuven, 10/09/2007 Doctoral Thesis in Pharmaceutical Sciences