The Nanotechnology Institute family represented by the Dean, Prof. Borhan Aldeen Albiss, congratulates their student "Areej Alshdaifat" on the occasion of his master's thesis defence entitled "Assessing The Toxicity of Perovskite Materials That Are Used In Solar Cells Applications: In Vivo Study" supervised by Dr.Yahia Makableh (Advisor) and Prof. Bashir Jarrar (Co-Advisor) with Dr. Tamara Athamneh (Enternal Examiner) and Prof. Ziad Shraideh (External Examiner) as other two members of the discussion committee. We wish you and other students all success and happiness in all of your future works.