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Abstract First of all, I should express my deep thanks to ALLAH, without great blessing, I should have never accomplished this work. I wish to express my sincere appreciation and gratitude to Prof Dr. Abdou Saad El-Tabl professor of Inorganic Chemistry, Chemistry Department, Faculty of Science, Menoufia University and Prof. Dr. Moshira Mohamed Abd El- Wahed head of Pathology Department , Faculty of Medicine , Menoufia University for their continuous help, guidance, support and encouragement and for suggesting the research project, continuous guidance throughout the experimental section, valuable discussion, teaching , explaining and for interpretation of the results and the language; Finally , for their patience and publishing a part of this thesis in an international journal. I wish to express my deep thanks to my parents, all my family, my uncle Dr.Gaber Shebl for his continuous help, guidance support and encouragement and my wife and also Omar and Ahmed my lovely children and my mother and father. |