Author

A. Mohamad

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Open access Sep 2026

Eco-friendly spectrofluorimetric determination of fenbendazole in pharmaceutical, plasma, and milk samples using erythrosine B as a fluorescent probe

A simple, sensitive, and sustainable spectrofluorimetric method was developed to determine fenbendazole (FEN) based on its fluorescence-quenching interaction with erythrosine B (EB). Under the optimized conditions, FEN efficiently quenched the native fluorescence of EB (λex = 527 nm, λem = 544 nm). The decrease in fluo...

A. Mohamad, Ahmed A. Almrasy, A. Abdelazim et al. · RSC Advances · 0 citations

Open access Oct 2026

Green ratio-manipulating spectrophotometric methods for simultaneous determination of empagliflozin and sitagliptin in pharmaceutical formulations

Empagliflozin (EMP) and sitagliptin (SIT) are antidiabetic agents with complementary mechanisms of action and are frequently formulated as fixed-dose combinations. However, their substantially overlapping ultraviolet absorption spectra limit the applicability of direct spectrophotometric determination in combined dosag...

A. Mohamad, Ahmed A. Almrasy, A. Abdelazim et al. · BMC Chemistry · 0 citations