If you are interested in chemistry and want to learn more about radiochemistry, then maybe you should consider doing your bachelor/master thesis at the hot lab facility located at Herlev Hospital, Department of Clinical Physiology and Nuclear Medicine. The deaprtment daily produces radiopharmaceuticals for diagnosis of cancer.
See attached file for more details.
I samarbejde medTri Hien Viet Huynh, Head of Chemisry (Herlov Hospital)
You should have taken courses in organic chemistry and have knowledge in organic synthesis