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Elzanfaly, E. S., R. M. Youssif, N. N. Salama, A. S. Fayed, H. A. M. Hendawy, and M. Y. Salem, "Zero and second-derivative synchronous fluorescence spectroscopy for the quantification of two non-classical $\beta$-lactams in pharmaceutical vials: Application to stability studies", Luminescence, vol. 32, no. 8, pp. 1517–1527, 2017. Abstract
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Elzanfaly, E. S., M. A. Hegazy, Samah S Saad, M. Y. Salem, and L. A. E. Fattah, "Validated green high-performance liquid chromatographic methods for the determination of coformulated pharmaceuticals: A comparison with reported conventional methods", J. Sep. Sci. , vol. 38, pp. 757–763, 2015.
Elzanfaly, E. S., M. A. Hegazy, Samah S Saad, M. Y. Salem, and L. E. Abdel Fattah, "Validated green high-performance liquid chromatographic methods for the determination of coformulated pharmaceuticals: A comparison with reported conventional methods", Journal of separation science, vol. 38, no. 5, pp. 757–763, 2015. Abstract
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Fayed, A. S., R. M. Youssif, N. N. Salama, E. S. Elzanfaly, and H. A. M. Hendawy, "Utility of Silver-nanoparticles for Nano Spectrofluorimetric Determination of Meropenem and Ertapenem: Bio-analytical Validation", Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, vol. 262, 2021. AbstractWebsite
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Fayed, A. S., R. M. Youssif, N. N. Salama, E. S. Elzanfaly, and H. A. M. Hendawy, "Utility of silver-nanoparticles for nano spectrofluorimetric determination of meropenem and ertapenem: bio-analytical validation", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, vol. 262: Elsevier, pp. 120077, 2021. Abstract
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Fayed, A. S., R. M. Youssif, N. N. Salama, E. S. Elzanfaly, and H. A. M. Hendawy, "Ultra-sensitive stripping SWV for determination of ertapenem via ZnONPs/MWCNT/CP sensor: Greenness assessment", Microchemical Journal, vol. 162: Elsevier, pp. 105752, 2021. Abstract
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Fayed, A. S., Youssif, R.M., N. N. Salama, H. A. Hendawy, and E. S. Elzanfaly, "Two-wavelength manipulation stability-indicating spectrophotometric methods for determination of meropenem and ertapenem: greenness consolidation and pharmaceutical product application ", Chemical Papers , vol. 73, issue 11, pp. 2723–2736, 2019.
Fayed, A. S., R. M. Youssif, N. N. Salama, H. A. Hendawy, and E. S. Elzanfaly, "Two-wavelength manipulation stability-indicating spectrophotometric methods for determination of meropenem and ertapenem: greenness consolidation and pharmaceutical product application", Chemical Papers, vol. 73: Springer International Publishing, pp. 2723–2736, 2019. Abstract
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Soudi, A. T., O. G. Hussein, E. S. Elzanfaly, H. E. Zaazaa, and M. Abdelkawy, "Stability indicating tlc–densitometric method for determination of alcaftadine in presence of its degradation products and dosage form preservatives", Research Journal of Pharmacy and Technology, vol. 13, no. 11, pp. 5171-5176, 2020. AbstractWebsite
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Soudi, A. T., O. G. Hussein, E. S. Elzanfaly, H. E. Zaazaa, and M. A. Kawy, "Stability indicating TLC–densitometric method for determination of alcaftadine in presence of its degradation products and dosage form preservatives", Res J Pharm Technol, vol. 13, no. 11, pp. 5171–5176, 2020. 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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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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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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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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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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Galal, S. A. B., M. M. Mousa, E. S. ElZanfaly, E. M. Hussien, E. A. H. Amer, and H. E. Zaazaa, "Quantitative analysis of residual butylated hydroxytoluene and butylated hydroxyanisole in Salmo salar, milk, and butter by liquid chromatography–tandem mass spectrometry", Food Chemistry: Elsevier, pp. 139653, 2024. Abstract
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Soudi, A. T., O. G. Hussein, E. S. Elzanfaly, H. E. Zaazaa, and M. Abdelkawy, "Potentiometric method to determine montelukast sodium in its tablets with in-line monitoring of its dissolution behaviour", Analytical and Bioanalytical Electrochemistry, vol. 12, no. 4, pp. 502-516, 2020. AbstractWebsite
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Soudi, A. T., O. G. Hussein, E. S. Elzanfaly, H. E. Zaazaa, and M. A. Kawy, "Potentiometric method to determine montelukast sodium in its tablets with in-line monitoring of its dissolution behaviour", Analytical and Bioanalytical Electrochemistry, vol. 12, no. 4: Analytical and Bioanalytical Electrochemistry is an international scientific …, pp. 502–516, 2020. Abstract
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Heragy, M. O., A. A. M. Moustafa, E. S. Elzanfaly, and A. S. Saad, "A portable solid-state potentiometric sensor based on a polymeric ion-exchanger for the assay of a controversial food colorant (sunset yellow)", Analytical Methods, vol. 13, no. 41, pp. 4896-4903, 2021. AbstractWebsite
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Heragy, M. O., A. A. M. Moustafa, E. S. ElZanfaly, and A. S. Saad, "A portable solid-state potentiometric sensor based on a polymeric ion-exchanger for the assay of a controversial food colorant (sunset yellow)", Analytical Methods, vol. 13, no. 41: Royal Society of Chemistry, pp. 4896–4903, 2021. Abstract
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Heragy, M. O., A. A. M. Moustafa, E. S. ElZanfaly, W. A. Al-Shareef, and A. S. Saad, "Miniaturized solid-state sensor for inline monitoring of the microbial biodegradation of a biohazardous textile azo dye (Direct Red-81)", Talanta Open, vol. 6: Elsevier, pp. 100146, 2022. Abstract
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Hassan, S. A., E. S. Elzanfaly, M. Y. Salem, and B. A. El-Zeany, "Mean centring of double divisor ratio spectra, a novel pectrophotometric method for analysis of ternary mixtures ", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy , vol. 153, pp. 132–142, 2015.
Hassan, S. A., E. S. Elzanfaly, M. Y. Salem, and B. A. El-Zeany, "Mean centering of double divisor ratio spectra, a novel spectrophotometric method for analysis of ternary mixtures", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy , vol. 153, pp. 132-142, 2016.
Hassan, S. A., E. S. Elzanfaly, M. Y. Salem, and B. A. El-Zeany, "Mean centering of double divisor ratio spectra, a novel spectrophotometric method for analysis of ternary mixtures", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, vol. 153: Elsevier, pp. 132–142, 2016. Abstract
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