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Abstract
Development of spectrofluorimetric and HPLC methods for In vitro analysis of repaglinide
Author(s): N Kaushal, S Jain, AK Tiwary
Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala-147 002, India
Correspondence Address:
A K Tiwary Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala-147 002 India E-mail: aktiwary2@rediffmail.com
Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala-147 002, India
Correspondence Address:
A K Tiwary Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala-147 002 India E-mail: aktiwary2@rediffmail.com
Spectrofluorimetric and high-performance liquid chromatography methods for estimation of repaglinide were developed. These methods were validated for estimation of repaglinide in tablets as well as in receptor fluid obtained during in vitro permeation studies. Repaglinide was observed to exhibit emission and excitation wavelengths, respectively, at 379 nm and 282 nm with linearity in the concentration range of 5-80 μg/ml. High-performance liquid chromatography analysis of repaglinide yielded retention time of 6.14 min with linearity ranging from 0.1-1.2 μg/ml concentration. Spectrofluorimetric analysis of repaglinide in tablets yielded results comparable to high performance liquid chromatography.
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