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Abouzaid, A. S., M. Y. Salem, E. S. ElZanfaly, A. E. Elgindy, S. Hoag, and A. Ibrahim, "Screening the fluid bed granulation process variables and moisture content determination of pharmaceutical granules by NIR Spectroscopy", European Journal of Chemistry, vol. 8, no. 3, pp. 265–272, 2017. Abstract
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Tarek, M., E. S. Elzanfaly, S. M. Amer, and H. A. A. Wagdy, "Selective analysis of Nadifloxacin in human plasma samples using a molecularly imprinted polymer-based solid-phase extraction proceeded by UPLC-DAD analysis", Microchemical Journal , vol. 158, pp. 105162, 2020.
Tarek, M., E. S. Elzanfaly, S. M. Amer, and H. A. A. Wagdy, "Selective analysis of Nadifloxacin in human plasma samples using a molecularly imprinted polymer-based solid-phase extraction proceeded by UPLC-DAD analysis", Microchemical Journal, vol. 158: Elsevier, pp. 105162, 2020. Abstract
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Hassan, S. A., N. Ibrahim, E. S. Elzanfaly, and A. E. El Gendy, "Simultaneous Determination of Amlodipine and Olmesartan Using HPLC with Fluorescence Detection", Pharmaceutical Chemistry Journal, vol. 55, no. 2, pp. 206-212, 2021. AbstractWebsite
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Hassan, S. A., N. Ibrahim, E. S. Elzanfaly, and A. E. El Gendy, "Simultaneous determination of amlodipine and olmesartan using HPLC with fluorescence detection", Pharmaceutical Chemistry Journal, vol. 55: Springer US, pp. 206–212, 2021. Abstract
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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.
Boltia, S. A., A. T. Soudi, E. S. Elzanfaly, and H. E. Zaazaa, "Simultaneous determination of paracetamol, orphenadrine citrate and caffeine ternary mixture by different spectrophotometric methods", Journal of Applied Spectroscopy, vol. 86, issue 4, pp. 1-9, 2019.
Boltia, S. A., A. T. Soudi, E. S. Elzanfaly, and H. E. Zaazaa, "Simultaneous determination of paracetamol, orphenadrine citrate, and caffeine ternary mixture by different spectrophotometric methods", Journal of Applied Spectroscopy, vol. 86: Springer US, pp. 731–739, 2019. Abstract
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Soudi, A. T., O. G. Hussein, E. S. Elzanfaly, H. E. Zaazaa, and M. Abdelkawy, "Simultaneous determination of phenazopyridine HCl and trimethoprim in presence of phenazopyridine HCl impurity by univariate and multivariate spectrophotometric methods - Quantification of phenazopyridine HCl impurity by univariate methods", Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, vol. 239, 2020. AbstractWebsite
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Soudi, A. T., O. G. Hussein, E. S. Elzanfaly, H. E. Zaazaa, and M. A. Kawy, "Simultaneous determination of phenazopyridine HCl and trimethoprim in presence of phenazopyridine HCl impurity by univariate and multivariate spectrophotometric methods-Quantification of phenazopyridine HCl impurity by univariate methods", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, vol. 239: Elsevier, pp. 118516, 2020. Abstract
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Elzanfaly, E. S., A. S. Saad, and A. - E. B. Abd-Elaleem, "Simultaneous determination of retinoic acid and hydroquinone in skin ointment using spectrophotometric technique (ratio difference method)", Saudi Pharmaceutical Journal, vol. 20, pp. 249–253, 2012.
Elzanfaly, E. S., A. S. Saad, and A. - E. B. Abd-Elaleem, "Simultaneous determination of retinoic acid and hydroquinone in skin ointment using spectrophotometric technique (ratio difference method)", Saudi Pharmaceutical Journal, vol. 20, no. 3: Elsevier, pp. 249–253, 2012. Abstract
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Boltia, S. A., A. T. Soudi, E. S. Elzanfaly, and H. E. Zaazaa, "Simultaneous Quantification of Chlorpheniramine, Phenylephrine, Guaifenesin in Presence of Preservatives with Detection of Related Substance Guaiacol in their Cough Syrup by RP-HPLC and TLC-Densitometric Methods ", Journal of Chromatographic Science, vol. 57, issue 6, pp. 552–559, 2019.
Boltia, S. A., A. T. Soudi, E. S. Elzanfaly, and H. E. Zaazaa, "Simultaneous quantification of chlorpheniramine, phenylephrine, guaifenesin in presence of preservatives with detection of related substance guaiacol in their cough syrup by rp-hplc and tlc-densitometric methods", Journal of chromatographic science, vol. 57, no. 6: Oxford University Press, pp. 552–559, 2019. Abstract
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Elzanfaly, E. S., and S. A. Abdel-Gawad, "Simultaneous quantification of ramipril, glimepiride and metformin in human plasma by ultra-performance liquid chromatography – tandem mass spectrometry", Journal of Applied Pharmaceutical Science , vol. 7, issue 7, pp. 62-69, 2017. metformin_2017.pdf
Elzanfaly, E. S., and S. A. Abdel-Gawad, "Simultaneous quantification of ramipril, glimepiride and metformin in human plasma by ultra-performance liquid chromatography–tandem mass spectrometry", Journal of Applied Pharmaceutical Science, vol. 7, no. 7, pp. 062–069, 2017. Abstract
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Elzanfaly, E. S., A. S.Saad, and A. E. B. A. Elaleem, "A smart simple spectrophotometric method for simultaneous determination of binary mixtures", Journal of Pharmceutical Analysis, vol. 2 , issue 5, 2012.
Elzanfaly, E. S., A. S. Saad, and B. Abd Elaziz, "A smart simple spectrophotometric method for simultaneous determination of binary mixtures", Journal of pharmaceutical analysis, vol. 2, no. 5: Elsevier, pp. 382–385, 2012. Abstract
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Ibrahim, M. M., K. M. Kelani, N. K. Ramadan, and E. S. ElZanfaly, "Smartphone as a portable detector for thin-layer chromatographic determination of some gastrointestinal tract drugs", ACS omega, vol. 7, no. 27: American Chemical Society, pp. 23815–23820, 2022. Abstract
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Ibrahim, M. M., K. M. Kelani, N. K. Ramadan, E. S. ElZanfaly, and A. S. Saad, "Solid Contact Potentiometric Sensor for The Assay of Loperamide Hydrochloride in Its Pharmaceutical Formulation and Spiked Plasma Samples", Analytical and Bioanalytical Electrochemistry, vol. 14, no. 10: Analytical and Bioanalytical Electrochemistry is an international scientific …, pp. 904–920, 2022. Abstract
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Galal, S. A. B., E. S. ElZanfaly, E. M. Hussien, E. A. H. Amer, and H. E. Zaazaa, "Spectrofluorimetric determination of butylated hydroxytoluene and butylated hydroxyanisole in their combined formulation: application to butylated hydroxyanisole residual analysis in milk and butter", Scientific Reports, vol. 14, no. 1: Nature Publishing Group UK London, pp. 4498, 2024. Abstract
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ElZanfaly, E. S., E. A. H. Amer, S. A. B. Galal, and H. E. Zaazaa, "Spectrofluorimetric determination of eptifibatide in human plasma and dosage form", Luminescence, vol. 34, pp. 64–69, 2019. elzanfaly_et_al-2019-luminescence.pdf
ElZanfaly, E. S., E. A. H. Amer, S. A. B. Galal, and H. E. Zaazaa, "Spectrofluorimetric determination of eptifibatide in human plasma and dosage form", Luminescence, vol. 34, no. 1, pp. 64–69, 2019. Abstract
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Ibrahim, M. M., M. B. El-Zeiny, N. K. Ramadan, E. S. Elzanfaly, and K. M. Kelani, "Spectrophotometric determination of meclizine hydrochloride and pyridoxine hydrochloride in laboratory prepared mixtures and in their pharmaceutical preparation ", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy , vol. 178, pp. 234–238, 2017.