| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1234574 | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy | 2010 | 6 Pages |
Abstract
Adult male Albino rats were exposed to different doses of gamma radiation from Cs-137 source. Hemoglobin samples were analyzed 24Â h after irradiation. The UV-visible spectrum of hemoglobin molecule was measured in the range 200-700Â nm. The overall spectrum of the hemoglobin molecule showed hypochromicity that increased with dose increase. To investigate the effect of radiation on the hemoglobin molecule, different parameters of the spectrum were calculated: molar absorption coefficient, absorption cross-section, transition dipole moment, dipole length, the optical energy gap and activation energy for each characteristic peak. The obtained results revealed that the radiation effect can induce rearrangement of the transition dipole moments and change molecular energy levels of the hemoglobin molecule.
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Authors
Nabila S. Selim, Seham M. El-Marakby,