Wada Hosny

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The acid-base equilibria of tetracycline and its copper(II) complex formation equilibria are investigated in dioxane-water mixtures. The ternary complexes of copper(II) with tetracycline as primary ligand and amino acid or DNA constituent as secondary ligand are studied in 50% dioxane-water solution. The formation constants of the ternary and binary(More)
The interaction between imidazole (L1), 2-isopropylimidazole (L2), 2-amino-benzimidazole (L3) and 2-(2-pyridyl)benzimidazole (L4) (L in general), and dimethyltin chloride in water have been investigated at 25 degrees C and ionic strength of 0.1 M sodium nitrate using the potentiometric technique. The results showed the formation of 1:1 and 1:2(More)
The formation equilibria for the binary complexes of Cu(II), Ni(II), Co(II), Zn(II), Mn(II), Hg(II), Cd(II), Ca(II), and Mg(II) with cefadroxil (Cef) and for the ternary complexes Cu(Cef)(L), where L refers to amino acid or DNA, were investigated. The protonation constants of cefadroxil and formation constants of the formed complexes were determined at 25(More)
Power Line Communication (PLC) has the potential to become the preferred technique for providing broadband to homes and offices with advantage of eliminating the need for new wiring infrastructure and reducing the cost. However, power line grids present a hostile channel for data communication, since the fundamental purpose for power line channel was only(More)
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