Search Results - "Derayea, Sayed M."

Square-wave Adsorptive Anodic Stripping Voltammetric Determination of Antidiabetic Drug Linagliptin in Pharmaceutical Formulations and Biological Fluids Using a Pencil Graphite Electrode by NAGGAR, Ahmed. H., SALEH, Gamal. A., OMAR, Mahmoud. A., HAREDY, Ahmed. M., DERAYEA, Sayed. M.

“…A simple, sensitive, low-cost, quick and reliable square-wave anodic stripping voltammetric method is described for the determination of the antidiabetic drug…”
Get full text

Application of a xanthene dye, eosin Y, as spectroscopic probe in chemical and pharmaceutical analysis; a review by Derayea Sayed M., Nagy Dalia M.

“…Eosin Y (EY) is an acidic xanthene dye which is mainly used in food stuff and biological staining. Various analytical methods have been reported for the…”
Get full text

Novel eco-friendly HPTLC method using dual-wavelength detection for simultaneous quantification of duloxetine and tadalafil with greenness evaluation and application in human plasma by Derayea, Sayed M., Zaafan, Al Amir S., Nagy, Dalia M., Oraby, Mohamed, Amir, Al, Zaafan, S.

“…A novel, environmentally friendly, and sensitive HPTLC method has been developed and validated for simultaneous quantification of duloxetine (DLX) and…”
Get full text

Two facile approaches based on association complex with erythrosine-B for nano-level analysis of duloxetine: application to content uniformity by Derayea, Sayed M, Ali, Ramadan, Abu-Hassan, Ahmed A

“…Duloxetine is an antidepressant that exhibits its action by preventing the reuptake of serotonin and norepinephrine by neurons. In this analytical study, we…”
Get full text

Effect of Drug Combination on Omeprazole Metabolism by Cytochrome P450 2C19 in Helicobacter pylori Eradication Therapy by Attia, Tamer Z., Yamashita, Taku, Tsujino, Hirofumi, Derayea, Sayed M., Tsutsumi, Yasuo, Uno, Tadayuki

“…Helicobacter pylori (H. pylori) infection is common and can result in gastric and duodenal ulcers, and in some cases, gastric lymphoma and cancer. Omeprazole…”
Get full text

Impact of single nucleotide polymorphisms (R132Q and W120R) on the binding affinity and metabolic activity of CYP2C19 toward some therapeutically important substrates by Derayea, Sayed M., Tsujino, Hirofumi, Oyama, Yukiko, Ishikawa, Yoshinobu, Yamashita, Taku, Uno, Tadayuki

“…Although CYP2C19 is minor human liver enzyme, it is responsible for the metabolism of many clinically important drugs. In this work, CYP2C19 wild type and its…”
Get full text

Xanthene based resonance Rayleigh scattering and spectrofluorimetric probes for the determination of cyclobenzaprine: Application to content uniformity test by Abdel-Lateef, Mohamed A., Almahri, Albandary, Derayea, Sayed M., Samir, Ebtihal

“…In this work, a resonance Rayleigh scattering technique and a spectrofluorimetric technique were applied to the quantification of cyclobenzaprine through two…”
Get full text

Application of nucleophilic substitution reaction for sensitive determination of heptaminol hydrochloride in pharmaceuticals by Abdelgaleel, Mahmoud, Nagi, Dalia M., Oraby, Mohamed, Derayea, Sayed M., Khashaba, Pakinaz Y.

“…A straightforward and sensitive spectrofluorimetric approach was established for the determination of heptaminol hydrochloride (HTM-HCl) based on the…”
Get full text

Simultaneous measurement of duloxetine hydrochloride and avanafil at dual-wavelength using novel ecologically friendly TLC-densitometric method: application to synthetic mixture and spiked human plasma with evaluation of greenness and blueness by Derayea, Sayed M., Elhamdy, Hadeer A., Oraby, Mohamed, El-Din, Khalid M. Badr

“…The simultaneous assay of duloxetine hydrochloride (DLX) and avanafil (AVN) in their pure forms, synthetic mixtures, and spiked human plasma was achieved using…”
Get full text

Development of a green synchronous spectrofluorimetric technique for simultaneous determination of Montelukast sodium and Bilastine in pharmaceutical formulations by Derayea, Sayed M., Badr El-Din, Khalid M., Ahmed, Ahmed S., Khorshed, Ahmed A., Oraby, Mohamed

“…For the treatment of rhinitis and asthma, a combination of Montelukast sodium and Bilastine has just been approved. Based on the first derivative of…”
Get full text

Development and validation of a precise flow injection method for the assessment of brexpiprazole, with application to pharmaceutical dosage forms and human plasma analysis by Derayea, Sayed M., Zaafan, Al Amir S., Nagy, Dalia M., Oraby, Mohamed

“…A novel antipsychotic medication named brexpiprazole (BRX) is currently employed for the treatment of schizophrenia and other psychotic disorders. Because…”
Get full text

Investigating the interaction of terbinafine with xanthenes dye for its feasible determination applying the resonance Rayleigh scattering technique by Abdel-Lateef, Mohamed A, Derayea, Sayed M, El-Deen, Deena A M Nour, Almahri, Albandary, Oraby, Mohamed

“…Terbinafine hydrochloride is a potent antifungal drug indicated for oral and topical treatment of mycoses. A resonance Rayleigh scattering (RRS) method was…”
Get full text

Switch on fluorescence probe for the selective determination of lisinopril in pharmaceutical formulations: application to content uniformity testing by Mohammed, Fatma F, Badr El-Din, Khalid M, Derayea, Sayed M

“…Lisinopril, an ACE inhibitor, was selectively determined in pharmaceutical products using spectrofluorimetry. The method was based on the switch on…”
Get full text

Determination of antihistaminic drugs alcaftadine and olopatadine hydrochloride via ion-pairing with eosin Y as a spectrofluorimetric and spectrophotometric probe: application to dosage forms by Derayea, Sayed M., Badr El-din, Khalid M., Ahmed, Ahmed S., Khorshed, Ahmed A., Oraby, Mohamed

“…Four sensitive and fast analytical approaches relied on ion pairing with eosin Y were built up and evaluated using spectroscopy for determination of…”
Get full text

Studying the association complex formation of atomoxetine and fluvoxamine with eosin Y and its application in their fluorimetric determination by Derayea, Sayed M., Omar, Mahmoud A., Abu-hassan, Ahmed A.

“…A simple, sensitive and non-extractive spectrofluorimetric method has been developed and validated for the determination of two psychoanaleptic drugs,…”
Get full text

Mathematical processing of absorption as green smart spectrophotometric methods for concurrent assay of hepatitis C antiviral drugs, Sofosbuvir and Simeprevir: application to combined pharmaceutical dosage forms and evaluation of the method greenness by Derayea, Sayed M., Abu-hassan, Ahmed A., Hamad, Ahmed A., Eltoukhi, Walid E., Hamad, Amal E., Mohammed, Bassam Shaaban

“…The present work was developed to create three rapid, simple, eco-friendly, cheap spectrophotometric methods for concurrent assay of Sofosbuvir (SOF) and…”
Get full text

A simple single jar "on-off fluorescence" designed system for the determination of mitoxantrone using an eosin Y dye in raw powder, vial, and human biofluids by Hamad, Ahmed Abdulhafez, Ali, Ramadan, Derayea, Sayed M

“…In this work, a direct, simple, one-pot, and green spectrofluorimetric approach was applied to measure mitoxantrone, a chemotherapeutic agent, through a green…”
Get full text

Development and validation of a new spectrofluorimetric method for the determination of some beta-blockers through fluorescence quenching of eosin Y. Application to content uniformity test by Derayea, Sayed M, Omar, Mahmoud A, Abdel-Lateef, Mohamed Aboel-Kasem, Hassan, Ahmed I.

“…A simple, rapid, sensitive and economic spectrofluorimetric method has been developed and validated for determination of some β-adrenergic blocking agents…”
Get full text

A novel and unusual utility of the cardiosintol drug as a fluoro-prober in the amendment of a highly fluorescent module for determining the non-fluorescent N-acetylcysteine drug by Hamad, Ahmed A., Derayea, Sayed M.

“…A simple schematic diagram illustrating the novel utility of the cardiosintol drug in a molecular-structure amendmental strategy for determining,…”
Get full text

Solid-State FTIR Spectroscopic Study of Two Binary Mixtures: Cefepime-Metronidazole and Cefoperazone-Sulbactam by Derayea, Sayed M., Batakoushy, Hany A., Ali, Ramadan, Ali, Hassan Refat H.

“…The structural information of the pharmaceuticals and insights on the modes of molecular interactions are very important aspects in drug development. In this…”
Get full text