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Simultaneous Determination of Montelukast and Fexofenadine Using Fourier Transform Convolution Emission Data Under Non- Parametric Linear Regression Method

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An Erratum to this article was published on 07 September 2013

Abstract

New hybrid chemometric method has been applied to the emission response data. It deals with convolution of emission data using 8-points sin xi polynomials (discrete Fourier functions) after the derivative treatment of these emission data. This new application was used for the simultaneous determination of Fexofenadine and Montelukast in bulk and pharmaceutical preparation. It was found beneficial in the resolution of partially overlapping emission spectra of this mixture. The application of this chemometric method was found beneficial in eliminating different types of interferences common in spectrofluorimetry such as overlapping emission spectra and self- quenching. Not only this chemometric approache was applied to the emission data but also the obtained data were subjected to non-parametric linear regression analysis (Theil’s method). The presented work compares the application of Theil’s method in handling the response data, with the least-squares parametric regression method, which is considered the de facto standard method used for regression. So this work combines the advantages of derivative and convolution using discrete Fourier function together with the reliability and efficacy of the non-parametric analysis of data. Theil’s method was found to be superior to the method of least squares as it could effectively circumvent any outlier data points.

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Authors and Affiliations

  1. Faculty of Pharmacy, Department of Pharmaceutical Analytical Chemistry, University of Alexandria, El-Messalah, Alexandria, 21521, Egypt

    Marwa A. A. Ragab & Rasha M. Youssef

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  1. Marwa A. A. Ragab
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  2. Rasha M. Youssef
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Correspondence to Marwa A. A. Ragab.

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Ragab, M.A.A., Youssef, R.M. Simultaneous Determination of Montelukast and Fexofenadine Using Fourier Transform Convolution Emission Data Under Non- Parametric Linear Regression Method. J Fluoresc 23, 1329–1340 (2013). https://doi.org/10.1007/s10895-013-1235-5

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  • DOI: https://doi.org/10.1007/s10895-013-1235-5

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