Publications

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2010
Elzanfaly, E. S., M. Nebsen, and N. K. Ramadan, "Development and validation of PCR, PLS and TLC densitometric methods for the simultaneous determination of vitamins B1, B6 and B12 in pharmaceutical formulations", Pak. J. Pharm. Sci, vol. 23, no. 4, pp. 409–415, 2010. Abstract
n/a
2003
A., E., E. S. Elzanfaly, and N. N. Salama, "Ratio derivative spectrophotometic methods for the determination of some oxicams in the presence of their alkaline degradation products", Scientia Pharmaceutica , vol. 71, issue 4, pp. 303-320, 2003.
Salem, M. Y., E. S. El-zanfaly, M. F. El-Tarras, and M. G. El-Bardicy, "Stability indicating methods for the determination of metoclopramide and vitamin B6 simultaneously in a mixture form", Bull. Fac. Pharm. Cairo University , vol. 41, issue 1, pp. 1-10, 2003.
2002
Salem, M. Y., A. M. El-Kosasy, E. S. Elzanfaly, M. F. El-Tarras, and M. G. El-Bardicy, "Determination of chlorphenoxamine hydrochloride in the presence of caffeine and 8-chlorotheophylline by ion selective electrodes", Bull. Fac. Pharm. Cairo University, vol. 40, issue 3, pp. 1-10, 2002.
Salem, M. Y., E. S. Elzanfaly, M. G. El-Bardicy, and M. F. El-Tarras, "Simultaneous determination of domperidone maleate and cinnarizin in a binary mixture form by derivative ratio spectrophotometry and classical least squares calibration. ", Journal of Pharmaceutical and Biomedical Analysis, vol. 30, issue 1, pp. 21-33, 2002.
Salem, M. Y., E. S. Elzanfaly, M. F. El-Tarras, and M. G. El-Bardicy, "Simultaneous determination of domperidone maleate and cinnarizin in a binary mixture form by derivative spectrophotometry, partial least squares and principal component regression", Journal of Analytical and Bioanalytical Chem, vol. 30, issue 1, pp. 21-33, 2002.
1998
El-Bardicy, M. G., M. F. El-Tarras, and E. S. Elzanfaly, "Determination of phenytoin, phenobarbitone and methylphenobarbitone in combination.", Spectroscopy Letters, vol. 30, issue 2, pp. 267-287, 1998. Abstract

This work is concerned with the determination of a mixture of phenytoin, phenobarbitone and methylphenobarbitone by two Werent techniques. The first one depends on the simultaneous quantitative densitometric evaluation of thin layer chromatograms of the three drugs. The second is the application of quantitative 'H-NMR spectrometry for the simultaneous determination of phenobarbitone and methylphenobahiione in the presence of phenytoin, while phenytoin was determined in this
mixture by modifying the benzophenone spectrophotometric procedure