Browsing by Author "Basu, Rama"

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    Study of Charge-transfer Interaction in Biomolecules
    (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1981, 77 (06), 1981) Lahiri, Jyotirmay; Basu, Rama
    The interaction of the antibiotic drugs tetracycline and oxytetracycline with purines, pyrimidines and amino acids were studied spectrophotometrically in water, ethylene glycol and propylene glycol. In each case a new absorption band was located and denoted as a charge-transfer band. The formation constants for the charge-transfer complexes were determined using Benesi–Hildebrand's method followed by an iterative procedure. Different linear plots for hv against the highest filled π-molecular orbital of the donors (purines, pyrimidines and amino acids) were obtained indicating different stabilization energies for each system.