Dr. Mohamed hasabelnaby is a lecturer in Radiology and Medical Imaging Technology Department, School of Technology of Applied Health Sciences, Badr University in Cairo, specializing in physics. He earned his PhD in experimental nuclear physics from Assiut University. His current research is radioactivity levels, environmental monitoring and the effect of radiation contamination on environment and human health and Radiation shielding. Dr. Mohamed hasabelnaby has published in several peer-review journals, including Nuclear Engineering and Technology, Environmental Science and Pollution Research, Radiation Physics and Chemistry, and Annals of Nuclear Energy.