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
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
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
Tenuazonic acid (TeA) is a major Alternaria mycotoxin frequently contaminating dried figs, yet its routine surveillance remains constrained by reliance on costly chromatographic instrumentation. To address this analytical gap, a novel “turn-off” spectrofluorimetric method was developed for TeA determination in dried fi...
Fotoon F. Redwan, Ahmed Serag, A. Abdelazim et al.· RSC Advances· 0 citations
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