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Elzanfaly, E. S., S. A. Hassan, M. Y. Salem, and B. E. - Z. A. Salem, "Different signal processing techniques of ratio spectra for spectrophotometric resolution of binary mixture of bisoprolol and hydrochlorothiazide; a comparative study", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy , vol. 140, pp. 334–343, 2015.
Elzanfaly, E. S., S. A. Hassan, M. Y. Salem, and B. A. El-Zeany, "Different signal processing techniques of ratio spectra for spectrophotometric resolution of binary mixture of bisoprolol and hydrochlorothiazide; a comparative study", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, vol. 140: Elsevier, pp. 334–343, 2015. Abstract
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Kelani, K. M., E. S. Elzanfaly, A. S. Saad, M. K. Halim, and M. B. El-Zeiny, "Different greenness assessment perspectives for stability-indicating RP-HPLC method used for the assay of isoxsuprine hydrochloride and four nephrotoxic and hepatotoxic photothermal degradation products", Microchemical Journal, vol. 171, 2021. AbstractWebsite
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Kelani, K. M., E. S. Elzanfaly, A. S. Saad, M. K. Halim, and M. B. El-Zeiny, "Different greenness assessment perspectives for stability-indicating RP-HPLC method used for the assay of isoxsuprine hydrochloride and four nephrotoxic and hepatotoxic photothermal degradation products", Microchemical Journal, vol. 171: Elsevier, pp. 106826, 2021. Abstract
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Ibrahim, N., E. S. Elzanfaly, A. E. El Gendy, and S. A. Hassan, "Development, optimization, and validation of a green spectrofluorimetric method for the determination of moxifloxacin using an experimental design approach", Research Journal of Pharmacy and Technology, vol. 14, no. 4, pp. 1880-1886, 2021. AbstractWebsite
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Ibrahim, N., E. S. Elzanfaly, A. E. El Gendy, and S. A. Hassan, "Development, optimization, and validation of a green spectrofluorimetric method for the determination of moxifloxacin using an experimental design approach", Research Journal of Pharmacy and Technology, vol. 14, no. 4: A & V Publications, pp. 1880–1886, 2021. Abstract
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Mostafa, M. M., G. A. Sedik, E. S. Elzanfaly, and A. H. Nadim, "Development of potentiometric immunosensor for determination of live attenuated Varicella Vaccine: Potency and stability studies", Analytical Biochemistry, vol. 683: Academic Press, pp. 115367, 2023. Abstract
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Galal, S. A. B., E. S. ElZanfaly, E. M. Hussien, E. A. H. Amer, and H. E. Zaazaa, "Development of chromatographic methods to determine multivitamins formulation depending on their solubility and polarity: comparative study using three greenness assessment tools", BMC chemistry, vol. 18, no. 1: Springer International Publishing Cham, pp. 20, 2024. Abstract
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Bassuoni, Y. F., E. S. Elzanfaly, H. M. Essam, and H. E. S. Zaazaa, "Development and validation of stability indicating TLC densitometric and spectrophotometric methods for determination of Clobetasol propionate", Bulletin of Faculty of Pharmacy, Cairo University , vol. 54, issue 2, pp. 165-174, 2016.
Bassuoni, Y. F., E. S. ElZanfaly, H. M. Essam, and H. E. - S. Zaazaa, "Development and validation of stability indicating TLC densitometric and spectrophotometric methods for determination of clobetasol propionate", Bulletin of Faculty of Pharmacy, Cairo University, vol. 54, no. 2: No longer published by Elsevier, pp. 165–174, 2016. Abstract
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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
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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
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Elzanfaly, E. S., M. N. Morkos, and N. K. Ramadan, "Development and validation of PCR, PLS and TLC densitometric methods for the determination of vitamins B1, B6 and B12 in pharmaceutical formulations", Pakistanian Journal of Pharmaceutical Sciences, vol. 23 , issue 4, pp. 409 - 415, 2010.
Hassan, S. A., E. S. Elzanfaly, S. B. A. El-Zeany, and M. Y. Salem, "Development and validation of HPLC and CE methods for simultaneous determination of amlodipine and atorvastatin in the presence of their acidic degradation products in tablets", Acta pharmaceutica , vol. 66, issue 4, pp. 479-490, 2016.
Hassan, S. A., E. S. Elzanfaly, M. Y. Salem, and B. A. El-Zeany, "Development and validation of HPLC and CE methods for simultaneous determination of amlodipine and atorvastatin in the presence of their acidic degradation products in tablets", Acta Pharmaceutica, vol. 66, no. 4: Hrvatsko farmaceutsko društvo, pp. 479–490, 2016. Abstract
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Boltia, S. A., A. T. Soudi, E. S. Elzanfaly, and H. E. Zaazaa, "Development and validation of chromatographic methods for simultaneous determination of paracetamol, orphenadrine citrate and caffeine in presence of p-aminophenol; quantification of p-aminophenol nephrotoxic impurity using LC–MS/MS", Journal of Chromatographic Science, vol. 58, no. 3: Oxford University Press, pp. 223–233, 2020. Abstract
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Boltia, S. A., A. T. Soudi, E. S. Elzanfaly, and H. E. Zaazaa, "Development and Validation of Chromatographic Methods for Simultaneous Determination of Paracetamol, Orphenadrine Citrate and Caffeine in Presence of P-aminophenol; Quantification of P-aminophenol Nephrotoxic Impurity Using LC-MS/MS", Journal of Chromatographic Science, vol. 58, no. 3, pp. 223-233, 2020. AbstractWebsite
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Elzanfaly, E. S., H. E. Zaazaa, A. T. Soudi, and M. Y. Salem, "Development and Validation of Chromatographic Methods for Simultaneous Determination of Ibuprofen and Famotidine in Presence of Related Substances in Pharmaceutical Formulations", Acta Chim. Slov. , vol. 62, pp. 45–51, 2015.
Elzanfaly, E. S., H. E. Zaazaa, A. T. Soudi, and M. Y. Salem, "Development and validation of chromatographic methods for simultaneous determination of ibuprofen and famotidine in presence of related substances in pharmaceutical formulations", Acta Chimica Slovenica, vol. 62, no. 1, pp. 45–51, 2015. Abstract
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Zaazaa, H. E., E. S. Elzanfaly, A. T. Soudi, and M. Y. Salem, "Development and validation of an ultra-performance liquid chromatography method coupled with tandem mass spectrometry for determination of alizapride in human plasma", RSC advances, vol. 5, no. 93: Royal Society of Chemistry, pp. 76377–76382, 2015. Abstract
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Zaazaa, H. E., E. S. Elzanfaly, A. T. Soudi, and M. Y. Salem, "Development and validation of an ultra performance liquid chromatography method coupled with tandem mass spectrometry for determination of alizapride in human plasma ", RSC Adv., vol. 5, pp. 76377- 76382, 2015.
Boltia, S. A., A. T. Soudi, E. S. Elzanfaly, and H. E. Zaazaa, "Development and Greenness Evaluation of a Potentiometric Method for Lomefloxacin Hydrochloride Determination in Urine and Establishment of Cumulative Excretion Pattern", Journal of The Electrochemical Society, vol. 166, issue 2, pp. B141-B146, 2019.
Boltia, S. A., A. T. Soudi, E. S. Elzanfaly, and H. E. Zaazaa, "Development and Greenness Evaluation of a Potentiometric Method for Lomefloxacin Hydrochloride Determination in Urine and Establishment of Cumulative Excretion Pattern", Journal of The Electrochemical Society, vol. 166, no. 2: IOP Publishing, pp. B141, 2019. Abstract
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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

Younes, K. M., E. F. El-Kady, and E. S. Elzanfaly, "Determination of Febuxostat in Human Plasma Using RP-LC–UV Method", Journal of Chromatographic Science, vol. 54, issue 6, pp. 1022-7, 2016.
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