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  • Determining the mode of interaction of calf thymus DNA with the drug sumatriptan using voltammetric and spectroscopic techniques.

Determining the mode of interaction of calf thymus DNA with the drug sumatriptan using voltammetric and spectroscopic techniques.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (2012-10-09)
Nahid Shahabadi, Neda Hosseinpour Moghadam
ABSTRACT

The interaction of native calf thymus DNA with sumatriptan(1-[3-(2-dimethylaminoethyl)-1H-indol-5-yl]-N-methyl-methanesulfonamide) at physiological pH was studied by spectrophotometry, circular dichroism, voltammetry and viscosimetric techniques. Sumatriptan molecule intercalated between base pairs of DNA, showed by a sharp increase in specific viscosity of DNA. In cyclic voltammetry, decrease of the peak current and positive shift indicated that this drug is able to intercalate between the DNA base pairs. In addition, the drug induced changes in the CD spectrum of CT-DNA, as well as hypochromism changes in its UV-vis spectrum.

MATERIALS
Product Number
Brand
Product Description

Sumatriptan for system suitability, European Pharmacopoeia (EP) Reference Standard
Pricing and availability is not currently available.
Sumatriptan succinate, European Pharmacopoeia (EP) Reference Standard
Pricing and availability is not currently available.
Sigma-Aldrich
Sumatriptan succinate, ≥98% (HPLC), solid
Pricing and availability is not currently available.