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Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences|June 20, 2022
Biocompatible magnetite nanoparticles coated with ionic liquid-based surfactantas a hydrophilic sorbent for dispersive solid phase microextraction of cephalosporins prior to their quantitation by HPTLCSherien A Farrag, Azza H Rageh, Hassan F Askal, et al.Farmaco (Societa Chimica Italiana : 1989)|June 4, 2005
Simple fluorimetric method for determination of certain antiviral drugs via their oxidation with cerium (IV)Ibrahim A Darwish, Alaa S Khedr, Hassan F Askal, et al.Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy|September 7, 2007
A selective spectrophotometric method for determination of rosoxacin antibiotic using sodium nitroprusside as a chromogenic reagentHassan F Askal, Ibrahim H Refaat, Ibrahim A Darwish, et al.Journal of AOAC International|April 28, 2006
Application of inorganic oxidants to the spectrophotometric determination of ribavirin in bulk and capsulesIbrahim A Darwish, Alaa S Khedr, Hassan F Askal, et al.Journal of Chromatographic Science|January 26, 2008
Stability-indicating thin-layer chromatographic method for quantitative determination of ribavirinIbrahim A Darwish, Hassan F Askal, Alaa S Khedr, et al.Journal of AOAC International|April 28, 2006
Generic nonextractive spectrophotometric method for determination of 4-quinolone antibiotics by formation of ion-pair complexes with beta-naphtholIbrahim A Darwish, Ibrahim H Refaat, Hassan F Askal, et al.Journal of AOAC International|October 18, 2006
A validated spectrofluorometric assay for the determination of certain macrolide antibiotics in pharmaceutical formulations and spiked biological fluidsNawal El-Rabbat, Hassan F Askal, Pakinaz Y Khashaba, et al.International Journal of Biomedical Science : IJBS|May 16, 2013
Quantitative thin-layer chromatographic method for determination of amantadine hydrochlorideHassan F Askal, Alaa S Khedr, Ibrahim A Darwish, et al.Journal of Pharmaceutical and Biomedical Analysis|February 5, 2019
Hydrophilic-interaction planar chromatography in ultra-sensitive determination of α-aminocephalosporin antibiotics. Application to analysis of cefalexin in goat milk samples using modified QuEChERS extraction techniqueAzza H Rageh, Sherien A Abdel-Rahim, Hassan F Askal, et al.Materials Science & Engineering. C, Materials for Biological Applications|June 1, 2019
Poly (bromocresol green) flakes-decorated pencil graphite electrode for selective electrochemical sensing applications and pharmacokinetic studiesMohamed I Gadallah, Hassan Refat H Ali, Hassan F Askal, et al.Pageof 2