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Abdelrahman, M. M., I. A. Naguib, M. A. Elsayed, and H. A. ZaaZaa, "Spectrophotometric Methods for Quantitative Determination of Chlorhexidine Gluconate and its Major Impurity, Metabolite and Degradation Product: Para-chloro-aniline", Analytical Chemistry Letters, vol. 6, issue 3, pp. 232 - 248, 2016.
Salama, N. N., H. E. Zaazaa, S. M. Azab, S. A. Atty, and M. Y. Salem, "Utility of gold nanoparticles/silica modified electrode for rapid selective determination of mebeverine in micellar medium: comparative discussion and application in human serum", Ionics, vol. 22, issue 6, pp. 957–966, 2016.
Salama, N. N., H. E. Zaazaa, L. A. E. M. Halim, M. Y. Salem, and L. A. E. Fattah, "A Validated Direct Thin-Layer Chromatographic Separation and Enantioselective Determination of Racemic Centrally Acting Drugs Using Ion-Pair and Ligand-Exchange Chiral Selectors: A Thermodynamic Study of Complexation", Journal of Planar Chromatography , vol. 29, issue 3, pp. 176–183, 2016.
Saad, A. S., N. S. Ismail, M. Soliman, and H. E.Zaazaa, "Validated Stability-Indicating RP-HPLC Method for Simultaneous Determination of Clorsulon and Ivermectin Employing Plackett-Burman Experimental Design for Robustness Testing", J, AOAC International, vol. 99, issue 2, pp. 571-578, 2016.
Zaazaa, H. E., E. S. Elzanfaly, A. T. Soudi, and M. Y. Salem, "Application of the ratio difference spectrophotometry to the determination of ibuprofen and famotidine in their combined dosage form; Comparison with previously published spectrophotometric methods", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy , vol. 143, pp. 251–255, 2015.
El-Rahman, M. A. K., H. E. Zaazaa, S. S. Abbas, B. El-Zean, Z. A. EL-Sherif, and D. A. El-Haddad, "A comparative study of liquid and solid inner contact roxatidine acetate ion-selective electrode membranes ", Chinese Chemical Letters , vol. 26, pp. 714–720, 2015.
Lotfy, H. M., S. M. Amer, H. E.Zaazaa, and N. S. Mostaf, "A comparative study of the novel spectrophotometric methods versus conventional ones for the simultaneous determination of Esomeprazole magnesium trihydrate and Naproxen in their binary mixture", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy , vol. 151, pp. 538–546 , 2015.
Hegazy, M. A., S. S. Abbas, H. E. Zaazaa, and H. A. M. Essam, "Conventional univariate versus multivariate spectrophotometric assisted techniques for simultaneous determination of perindopril arginin and amlodipine besylate in presence of their degradation products", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy , vol. 150, pp. 940–948, 2015.
Naguib, I. A., E. A. Abdelaleem, H. E. Zaazaa, and E. A. Hussein, "Determination of Cefoperazone Sodium in Presence of Related Impurities by Linear Support Vector Regression and Partial Least Squares Chemometric Models", Journal of Analytical Methods in Chemistry, vol. 2015, Article ID 593892, 2015.
Naguib, I. A., E. A. Abdelaleem, M. E. Draz, and H. E. Zaazaa, "Development and Validation of RP-HPLC Method for Determination of Hydrochlorothiazide, Amiloride Hydrochloride and Related Impurities in Bulk and Pharmaceutical Dosage Forms", Analytical Chemistry Letters , vol. 5, issue 2, pp. 85 – 93, 2015.
Elzanfaly, E. S., Y. F. Bassuoni, H. A. M. Essam, and H. E. Zaazaa, "Ion Selective Membrane Electrodes for Determination of Cetrimide in Pure form and in Pharmaceutical Formulations ", Anal. Bioanal. Electrochem., vol. 7, issue 4, pp. 401-414 , 2015.
El-Rahman, M. A. K., H. E. Zaazaa, N. B. ElDin, and A. A. Moustafa, "Novel strategy for Online Monitoring of Degradation Kinetics of Probantheline Bromide via Calixarene Based Ion Selective Electrode", Talanta, vol. 132, pp. 52–58 , 2015.
Zaazaa, H. E., N. N. Salama, S. M. Azab, S. A. Atty, N. M. El-Kosy, and M. Y. Salema, "A novel surfactant silica gel modified carbon paste electrode in micellar media for selective determination of diminazene aceturate in the presence of its stabilizer", RSC Adv., vol. 5, pp. 48842–48850 , 2015.
Hegazy, M. A. M., S. S. Abbas, and H. E. _S. Zaazaa, "Resolution of Overlapped Quaternary Spectral Bands by Net Analyte Signal Based Methods; an Application to Different Combinations in Tablets and Capsules", Journal of Analytical Chemistry , vol. 70, issue 4, pp. 450–458 , 2015.
Naguib, I. A., E. A. Abdelaleem, H. E. Zaazaa, and M. E. Draz, "Simultaneous Determination of Hydrochlorothiazide and Benazepril Hydrochloride or Amiloride Hydrochloride in Presence of Hydrochlorothiazide Impurities: Chlorothiazide and Salamide by HPTLC Method", Journal of Chromatographic Science , vol. 53, pp. 183-188, 2015.
Zaazaa, H. E., A. O. Mohamed, M. A. Kawy, and M. A.Hawwam, "Spectrofluorimetric determination of 3-methylflavone-8-carboxylic acid, the main active metabolite of flavoxate hydrochloride in human urine", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy , vol. 134, pp. 109-113, 2015.
HM, L., A. SM, Z. HE, and M. NS, "Spectrophotometric Methods for Quantitative Determination of Binary Mixture of Naproxen Sodium and Domperidone Maleate", Austin J Anal Pharm Chem . , vol. 2, issue 3, pp. 01-08 , 2015.
Sawsan A. Abdel-Razeq, Manal M. Fouad, M. D. H. Z. Z. N. K. E. A., M. M. Fouad, M. K. Darwish, H. E. Zaazaa, and Z. A. Nasr, "SPECTROPHOTOMETRIC METHODS FOR SIMULTANEOUS DETERMINATION OF GATIFLOXACIN AND DEXAMETHASONE IN THEIR BINARY MIXTURE", Indo American Journal of Pharmaceutical Research, vol. 5, issue 9, pp. 3048, 2015.
Gad, M., H. ZaaZaa, S. Amer, and M. Korany, "Static headspace gas chromatographic method for the determination of residual solvents in cephalosporins", RSC Adv. , vol. 5, pp. 17150–17159 , 2015.
MM, A., N. IA, E. MA, and Z. HA, "Three Spectrophotometric Methods for Simultaneous Determination of Ampicillin and Dicloxacillin in Presence of Their Major Impurity 6-Aminopenicillanic Acid", Austin Journal of Analytical and Pharmaceutical Chemistry , vol. 2, issue 5, pp. 1050, 2015.
Elzanfaly, E. S., H. E. Zaazaa, A. T. Soudi, and M. Y. Salem, "Validated chiral chromatographic methods for clopidogrel bisulphate and its related substances in bulk drug and pharmaceutical dosage forms", Chemical Papers, vol. 69, issue 12, pp. 1541–1547 , 2015.