Mohammed Messaoudi is currently working as a Researcher at the Nuclear Research Centre in Birine, Algeria. Mr. Messaoudi has published more than thirty papers in the fields of medicinal plants, human health, and environmental studies related to Algeria and abroad. He has been a participant in many conferences and workshops related to neutron activation analysis. The main focus of his research is the study and control of air quality in urban sites (pollution by heavy metals, quality assurance), as well as the application of the INAA technique for the determination of trace elements in foodstuffs and other fields. He likes learning and working in new areas.