Browsing QU Ceased Journals by Author "Zaher, M. R."
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Copper Complexes Of Di-, Tri-, And Tetra-Peptides Containing Tryptophan, Histidine And Arginine
El Naggar, A. M. [احمد محمد النجار]; El-Ghaffar, S. A. A.; Zaher, M. R. ( Qatar University , 1983 , Article)Fifty Seven copper complexes of di-, tri-. and tetra-peptides containing tryptophan, histidine and arginine are studied spectrophotometrically. The ^a, and colour of the complexes are dependent on the sequence of the amino ...