Author

A. S. Alqahtani

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Open access Aug 2026

Development and validation of a green spectrofluorimetric method using a rhodamine 6G probe and FCCCD-optimized dispersive liquid–liquid microextraction for tenuazonic acid surveillance in dried figs

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

Open access Aug 2026

A sensitive and green spectrofluorimetric method for determination of guanfacine hydrochloride based on NBD-Cl derivatization

A sensitive and environmentally friendly spectrofluorimetric method was developed for the determination of guanfacine in pharmaceutical formulations. The method is based on derivatization of guanfacine with 4-chloro-7-nitrobenzofurazan in alkaline medium to yield a highly fluorescent product measured at 535 nm after ex...

Aamal A. Al-Mutairi, Saleh I. Alaqel, Farooq M. Almutairi et al. · Scientific Reports · 0 citations

Open access Aug 2026

Drugs solubility parameter prediction using modified Cubic Plus Chain equation of state.

The proposed CPC-TST model demonstrated good accuracy in predicting solubility parameter, particularly for strongly associating systems, while maintaining low computational complexity, and highlights the potential of the CPC-TST model as a robust and efficient alternative for modeling solubility behavior in pharmaceuti...

A. S. Alqahtani, Saeed Shirazian · European Journal of Pharmace... · 0 citations