Publications

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2022
Soliman, S. S., A. E. El-Haddad, G. A. Sedik, M. R. Elghobashy, Zaazaa, H.E., and A. S. Saad, "Experimentally designed chemometric models for the assay of toxic adulterants in turmeric powder", RSC Advances, vol. 12, issue 15, pp. 9087–9094, 2022.
El-Ragehy, N. A., M. A. Hegazy, S. A. Tawfik, and G. A. Sedik, "Validated chromatographic methods for the simultaneous determination of a ternary mixture of sulfacetamide sodium and two of its official impurities; sulfanilamide and dapsone", Acta Chromatographica, 2022.
2021
Sedik, G. A., A. R. S. Rizq, I. T. Ibrahim, E. S. Elzanfaly, and M. A. Motaleb, "Miniaturized chromatographic systems for radiochemical purity evaluation of 131I-Ferulic acid as a new candidate in nuclear medicine applications", Applied Radiation and Isotopes, vol. 167, pp. 1-8, 2021.
Sedik, G. A., S. A. Attya, F. A.Morsy, Doha M. Naguib, and hala Zazaa, "Validated Stability Indicating Chromatographic Methods for Quantification of Imidocarb Dipropionate; Application for the Determination of Its Residues in Bovine Meat and Milk Samples", Journal of AOAC INTERNATIONAL, vol. 103, issue 4, pp. 980-988, 2021.
2020
Elwy, H. M., R. S. Sherif, S. M. Amer, and G. A. Sedik, "Modification of Carbon Paste Electrode with MWCNTs and Benzethonium chloride and its Application as a Novel Sensor for Determination of Benzophenone-4 in Cosmetic Preparations", Modification of Carbon Paste Electrode with MWCNTs and Benzethonium chloride and its Application as a Novel Sensor for Determination of Benzophenone-4 in Cosmetic Preparations, vol. 15, pp. 4308 – 4325, 2020.
Attya, S. A., H. E. Zaazaa, F. A. Morsy, Doha M. Naguib, and G. A. Sedik, "Nano Green Voltammetric Determination of Imidocarb Dipropionate and Its Residues in Bovine Meat, Milk and Urine Samples", Journal of The Electrochemical Society, vol. 167, 2020.
2019
Attya, S. A., G. A. Sedik, F. A.Morsy, Doha M. Naguib, and H. E. Zaazaa, "A novel sensor aluminum silicate modified carbon paste electrode for determination of anti-depressant dothiepin HCl in pharmaceutical formulation and biological fluids", Microchemical journal, vol. 148, pp. 725–734, 2019.
Mostafa, N. S., G. A. ElHamid, H. E. Zaazaa, and S. M. Amer, "Two validated stability‑indicating chromatographic methods for the separation of two anti‑hypertensive combinations in the presence of their degradation products or impurities", Chemical papers, vol. 73, pp. 2427–2439, 2019.
2018
El-Ragehy, N. A., M. A.Hegazy, G. AbdElHamid, and S. A. Tawfik, "Validated potentiometric method for the determination of sulfacetamide sodium; application to its pharmaceutical formulations and spiked rabbit aqueous humor", Bulletin of Faculty of Pharmacy, Cairo University, vol. 56, pp. 207-212, 2018.
2017
Ragehy, N. E., M. Hegazy, G. Sedik, and samia Tawfik, "Validated Chromatographic Methods for the Simultaneous Determination of Sulfacetamide Sodium and Prednisolone Acetate in their Ophthalmic Suspension", Journal of Chromatographic Science, vol. 1-6, 2017.
2013
G.AbdelHamid, M..R.Elghobashy, E.S.ElZanfaly, S.M.Amer, and S.Z.Elkhateeb, "Stability-Indicating Methods for Determination of Amisulpride in Pure Form, Pharmaceutical Preparation and Human Plasma", 4th International Scientific Conference of Faculty of Pharmacy, Cairo University, Cairo, 24 April, 2013.
2012
AbdElHamid, G., E.S.ElZanfaly, M.R.Elghobashy, S.M.Amer, and S.Z.Elkhateeb, "Stability-Indicating Methods for Determination of Amisulpride in Pure Form and Pharmaceutical Preparation ", 3rd Scientific Conference of Faculty of Pharmacy , Cairo University, Cairo, 25 April, 2012.
AbdElHamid, G., M. R. Elghobashy, E. S. Elzanfaly, S. M. Amer, and S. Z. ElKhateeb, "Ion Selective Membrane Electrodes for Stability-Indicating Determination of Amisulpride", Anal. Bioanal. Electrochem, vol. 4, issue 6, pp. 579 - 592, 2012.
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