Dr. Abd El-Rahman graduated from Faculty of Pharmacy, Cairo University, where he had his MSc and PhD in Analytical Chemistry. He received the award of best Master and PhD Thesis from Cairo University. He is currently occupying a position of assistant prof. of Analytical Chemistry in the same faculty. His main research interests are focused on molecular recognition and Ionophore-based Ion Selective Electrodes for analysis of different biological target ions and inline monitoring of various chemical and biological reaction kinetics.