| Structural properties governing retention mechanisms on RP-HPLC stationary phases used for lipophilicity measurements A Pagliara, E Khamis, A Trinh, PA Carrupt, RS Tsai, B Testa Journal of Liquid Chromatography & Related Technologies 18 (9), 1721-1745, 1995 | 96 | 1995 |
| Quantitative determination of some thiazole cephalosporins through complexation with palladium (II) chloride AFM El-Walily, AA Gazy, SF Belal, EF Khamis Journal of pharmaceutical and biomedical analysis 22 (2), 385-392, 2000 | 92 | 2000 |
| Use of cerium (IV) in the spectrophotometric and spectrofluorimetric determinations of penicillins and cephalosporins in their pharmaceutical preparations AFM El Walily, AAK Gazy, SF Belal, EF Khamis Spectroscopy Letters 33 (6), 931-948, 2000 | 87 | 2000 |
| Selective spectrofluorimetric determination of phenolic β-lactam antibiotics through the formation of their coumarin derivatives AFM El Walily, AAK Gazy, SF Belal, EF Khamis Journal of Pharmaceutical and Biomedical Analysis 20 (4), 643-653, 1999 | 70 | 1999 |
| Spectrophotometric methods for the determination of Ibuprofen in tablets. AA Wahbi, E Hassan, D Hamdy, E Khamis, M Barary Pakistan journal of pharmaceutical sciences 18 (4), 1-6, 2005 | 48 | 2005 |
| Development of a differential pulse voltammetric method for the determination of Silymarin/Vitamin E acetate mixture in pharmaceuticals EM Hassan, EF Khamis, I Eman, MA Barary Talanta 74 (4), 773-778, 2008 | 41 | 2008 |
| Development and validation of a high-performance thin-layer chromatographic method for the simultaneous determination of two binary mixtures containing ketorolac tromethamine … FA El Yazbi, EM Hassan, EF Khamis, MAA Ragab, MMA Hamdy Journal of chromatographic science 54 (5), 819-828, 2016 | 35 | 2016 |
| Application of H-point standard additions method to spectrophotometric and spectrofluorimetric determinations of glafenine and glafenic acid in mixtures SM Sabry, EF Khamis Talanta 51 (6), 1219-1231, 2000 | 30 | 2000 |
| Novel validated HPTLC method for the analysis of two binary mixtures containing tamsulosin hydrochloride with antimuscarinic agents EI El-Kimary, EF Khamis, SF Belal, MM Abdel Moneim Journal of chromatographic science 56 (1), 81-91, 2018 | 28 | 2018 |
| Green analytical methods for simultaneous determination of compounds having relatively disparate absorbance; application to antibiotic formulation of azithromycin and levofloxacin AF El-Yazbi, EF Khamis, RM Youssef, MA El-Sayed, FM Aboukhalil Heliyon 6 (9), 2020 | 26 | 2020 |
| High-performance thin-layer chromatographic methods for the determination of febuxostat and febuxostat/diclofenac combination in human plasma FA El-Yazbi, OA Amin, I Eman, EF Khamis, SE Younis Journal of Chromatography B 1086, 89-96, 2018 | 26 | 2018 |
| HPTLC and spectrophotometric estimation of febuxostat and diclofenac potassium in their combined tablets FA El-Yazbi, OA Amin, EI El-Kimary, EF Khamis, SE Younis Journal of chromatographic science 54 (7), 1146-1152, 2016 | 26 | 2016 |
| Enhanced spectrofluorimetric determination of two novel combination therapies for the treatment of benign prostatic hyperplasia containing tamsulosin hydrochloride EI El‐Kimary, EF Khamis, SF Belal, MM Abdel Moneim Luminescence 33 (4), 771-779, 2018 | 25 | 2018 |
| Development and validation of spectrophotometric and HPTLC methods for simultaneous determination of rosiglitazone maleate and metformin hydrochloride in the presence of … H Mahgoub, RM Youssef, MA Korany, EF Khamis, MF Kamal Drug development and industrial pharmacy 40 (9), 1190-1198, 2014 | 25 | 2014 |
| Simultaneous determination of Mometasone Furoate and salicylic acid in complex matrix using green analytical method AF El-Yazbi, FM Aboukhalil, EF Khamis, RM Youssef, MA El-Sayed Microchemical Journal 163, 105900, 2021 | 21 | 2021 |
| Simultaneous determination of methocarbamol and aspirin in presence of their pharmacopeial-related substances in combined tablets using novel HPLC-DAD method FA El-Yazbi, OA Amin, EI El-Kimary, EF Khamis, SE Younis Drug Development and Industrial Pharmacy 45 (2), 265-272, 2019 | 17 | 2019 |
| A novel HPLC-DAD method for simultaneous determination of febuxostat and diclofenac in biological samples: pharmacokinetic outcomes FA El-Yazbi, OA Amin, EI El-Kimary, EF Khamis, SE Younis, ... Bioanalysis 11 (01), 41-54, 2019 | 16 | 2019 |
| Quantitative determination of some thiazole cephalosporins through complexation with palladium (II) chloride. A Fattah, M El-Walily, AA Gazy, SF Belal, EF Khamis Journal of Pharmaceutical and Biomedical Analysis 22 (2), 385-392, 2000 | 15 | 2000 |
| HPTLC analysis of ternary mixture containing ketorolac tromethamine, phenylephrine hydrochloride, and chlorpheniramine maleate FA El Yazbi, EM Hassan, EF Khamis, MAA Ragab, MMA Hamdy Journal of Liquid Chromatography & Related Technologies 39 (19-20), 869-876, 2016 | 14 | 2016 |
| A stability–indicating first–derivative spectrophotometric assay of acetazolamide and its use in dissolution and kinetic studies EF Khamis, M Abdel–Hamid, EM Hassan, A Eshra, MA Elsayed Journal of clinical pharmacy and therapeutics 18 (2), 97-101, 1993 | 14 | 1993 |
