Determination of Ondansetron by Spectrofluorimetry: Application to Forced Degradation Study, Pharmaceuticals and
Sambhani Naga Gayatri1, Valsala Madhavan Nair Biju2, Ambrose Maria Starvin3
1Department of Chemistry, National Institute of Technology, Trichy, Tamil Nadu, India.
Abstract:
The current manuscript describes a validated, responsive and rapid spectrofluorimetric method for quantifying ondansetron (OND) in authentic form, spiked human plasma and dosage forms. This is the first reported fluorescence study of Ondansetron in Triton X 100 system. Various variables affecting fluorescence response were studied precisely and optimised. The described method involved the fluorescence measurement in Triton X 100 system at λem/λex 354/317 nm. The calibration plot attained linearity over concentration range of 0.2 - 2 μg/mL. The developed method has been extensively applied to degradation studies of OND as per International Conference on Harmonisation (ICH) guidelines by exposing to oxidative, thermal, photo, acidic and alkaline conditions and also the degradation pathway has been proposed.
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