Hayam M. Lotfy

Comparative study of novel spectrophotometric methods manipulating ratio spectra: An application on pharmaceutical ternary mixture of omeprazole, tinidazole and clarithromycin

Hayam M. Lotfy, Maha Abdel-Monem Hagazy · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 2012 · 183 citations

Spectroscopic Method, Medicinal Chemistry, Pharmaceutical Chemistry +14

Smart Stability-Indicating Spectrophotometric Methods for Determination of Binary Mixtures Without Prior Separation

M. G. El-Bardicy, Hayam M. Lotfy, Mohammad A. El‐Sayed et al. · Journal of AOAC International · 2008 · 158 citations · Full text

Development and validation of a modified QuEChERS protocol coupled to LC–MS/MS for simultaneous determination of multi-class antibiotic residues in honey

Amr H. Shendy, Medhat A. Al‐Ghobashy, Sohair A. Gad Alla et al. · Food Chemistry · 2015 · 112 citations

Engineering, Pesticide-residue Analysis, Bioanalysis +16

Novel spectrophotometric methods for simultaneous determination of timolol and dorzolamide in their binary mixture

Hayam M. Lotfy, Maha A. Hegazy, Mamdouh R. Rezk et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 2014 · 98 citations

Chemical Measurement, Gas Chromatography, Medicine +13

Simultaneous determination of some cholesterol-lowering drugs in their binary mixture by novel spectrophotometric methods

Hayam M. Lotfy, Maha A. Hegazy · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 2013 · 89 citations

Cholesterol-lowering Drugs, Biochemistry, Gas Chromatography +14