| Polymer membrane sensors for sildenafil citrate (Viagra) determination in pharmaceutical preparations AM Othman, NMH Rizk, MS El-Shahawi Analytica chimica acta 515 (2), 303-309, 2004 | 65 | 2004 |
| Novel ionophore for the potentiometric determination of cetirizine hydrochloride in pharmaceutical formulations and human urine NMH Rizk, SS Abbas, FA El-Sayed, A Abo-Bakr International Journal of Electrochemical Science 4 (3), 396-406, 2009 | 48 | 2009 |
| Isolation and characterization of halophilic aromatic and chloroaromatic degrader from Wadi El-Natrun Soda lakes HA Hassan, NMH Rizk, MA Hefnawy, AM Awad Life Sci J 9 (3), 1565-1570, 2012 | 33 | 2012 |
| Membrane sensors for batch and flow injection potentiometric determination of ethamsylate (cyclonamine) in pharmaceutical preparations SSM Hassan, RM El-Bahnasawy, NM Rizk Microchimica Acta 126, 217-222, 1997 | 23 | 1997 |
| Potentiometric Determination of Menadione (Vitamin K3) NMH Rizk Microchimica Acta 138, 53-58, 2002 | 21 | 2002 |
| Potentiometric determination of salicylhydroxamic acid (urinary struvite stone inhibitor) based on the inhibition of urease activity SSM Hassan, RM El-Bahnasawy, NM Rizk Analytica chimica acta 351 (1-3), 91-96, 1997 | 19 | 1997 |
| Miniaturized graphite sensors doped with metal–bathophenanthroline complexes for the selective potentiometric determination of uric acid in biological fluids SSM Hassan, NMH Rizk Analyst 122 (8), 815-819, 1997 | 19 | 1997 |
| A new ion selective electrode method for determination of oseltamivir phosphate (Tamiflu) and its pharmaceutical applications SM Hamza, NMH Rizk, HAB Matter Arabian Journal of Chemistry 10, S236-S243, 2017 | 17 | 2017 |
| Thiopental and phenytoin as novel ionophores for potentiometric determination of lead (II) ions NMH Rizk, SS Abbas, SM Hamza, YM Abd EL-Karem Sensors 9 (3), 1860-1875, 2009 | 17 | 2009 |
| Cloning and kinetic properties of catechol 2, 3-dioxygenase from novel alkaliphilic BTEX-degrading Pseudomonas sp. HB01 HA Hassan, A Eldein, NM Rizk Life Science Journal 11 (2), 376-384, 2014 | 13 | 2014 |
| Ni2+ Selective Membrane Sensors Based on Sulfamethoxazole Diazonium Resorcinol in Poly (Vinyl Chloride) (PVC) Matrix FAG Elsaid, S Hamza, N Rizk, HAB Matter, EAS Amerah Arabian Journal for Science and Engineering 38, 1681-1689, 2013 | 11 | 2013 |
| Membrane sensors for the selective determination of thiopental NMH Rizk, AHM Othman Analytical sciences 21 (2), 107-110, 2005 | 10 | 2005 |
| Bioactivity of lectin from Egyptian Jatropha curcas seeds and its potentiality as antifungal agent MA Al-Saman, S Farfour, AA Tayel, N Rizk Global Advanced Research J. Microbiol 4 (7), 087-097, 2015 | 9 | 2015 |
| Potentiometric dipyridamole sensors based on lipophilic ion pair complexes and native ionic polymer membranes SSM Hassan, NMH Rizk Taylor & Francis Group 33 (6), 1037-1055, 2000 | 9 | 2000 |
| Molecular docking, theoretical calculations, synthesis of Ru (III), Pd (II) and VO (II) complexes and activity determination as antibacterial and antioxidant SA Aly, NMH Rizk, A Eldourghamy, S Farfour, M Ismael Polish Journal of Chemical Technology 24 (1), 29-38, 2022 | 5 | 2022 |
| Epidemiology of rotavirus in Greater Cairo NA El Esnawy New Egyptian Journal of Medicine [The] 42 (1), 43-51, 2010 | 4 | 2010 |
| Antibacterial, antifungal, and anticancer screening of some nano mono Co (II), Zn (II), Ru (III), and Ag (I) binuclear metal complexes of new hydrazone ligand SS Hassan, NMH Rizk, MA Khidr, SA Aly Applied Organometallic Chemistry 38 (1), e7298, 2024 | 3 | 2024 |
| Copper ion selective electrode based on copper (II) complex of 4-Azocyanoacetamido-m-toludine antipyrine SM Hamza, NM Rizk, MM Salem, SA Aaly Journal of American Science 8 (4), 240-9, 2012 | 3 | 2012 |
| Potentiometric behaviour of p-nitroaniline and its quantification in environmental samples. NMH Rizk | 3 | 2011 |
| Determination of 2, 3, 5-Triphenyltetrazolium Chloride Based on Flavinic Acid and 5-Nitrobarbituric acid Ion Pair Membrane AGF Elsaid, NMH Rizk, ABH Matter Asian Journal of Chemistry 22 (3), 1736-1744, 2010 | 3 | 2010 |
