Low-frequency near-infrared Fourier transform Raman studies of ellipticines and deoxyribose nucleic acid
1991
Abstract Nucleotides and nucleosides have been studied in the low-frequency region through a comparison of the performance between near-infrared Fourier transform Raman techniques and Ar + -excitation Raman spectroscopy. This allowed us to evaluate the influence of the filter cut-off on the low-frequency bands of the Fourier transform Raman spectra. This assessment was then applied to a study of the low-frequency bands of two samples of deoxyribose nucleic acid and five ellipticines, whose interaction with deoxyribose nucleic acid could be of importance in their use as anti-cancer drugs. In order to assign the low-frequency bands of ellipticines and understand the dynamical ring deformations, a force constant calculation was performed.
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