Gamal H. Ragab

Chemiluminescence determination of catecholamines in human blood plasma using 1,2-bis(3-chlorophenyl)ethylenediamine as pre-column derivatizing reagent for liquid chromatography

Gamal H. Ragab, Hitoshi Nohta, Kiyoshi Zaitsu · Analytica Chimica Acta · 2000 · 74 citations

Natural Sciences, Pharmacology, Analytical Chemistry +7

Spectrophotometric determination of certain cephalosporins in pure form and in pharmaceutical formulations

Alaa S. Amin, Gamal H. Ragab · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 2004 · 61 citations

Natural Sciences, Chemistry, Pharmaceutical Analysis +9

Utility of NBD-Cl for the spectrophotometric determination of some skeletal muscle relaxant and antihistaminic drugs

Hanaa Saleh, Magda Elhenawee, Gamal H. Ragab et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 2006 · 51 citations

Medicine, Medicinal Chemistry, Pharmacology +6

Colorimetric determination of β-blockers in pharmaceutical formulations

Alaa S. Amin, Gamal H. Ragab, Hanaa Saleh · Journal of Pharmaceutical and Biomedical Analysis · 2002 · 45 citations

Pharmacy, Pharmaceutical Analysis, Pharmacology +9

Atomic absorption spectroscopic, conductometric and colorimetric methods for determination of fluoroquinolone antibiotics using ammonium reineckate ion-pair complex formation

Gamal H. Ragab, Alaa S. Amin · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 2003 · 36 citations

Natural Sciences, Chemistry, Pharmacology +17