Derayea, Sayed M: search on Z-Library

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1

Spectrofluorimetric approach for determination of citicoline in the presence of co-formulated piracetam through fluorescence quenching of eosin Y

Omar, Mahmoud A., Ahmed, Amal B., Abdelwahab, Nada S., Abdelrahman, Maha M., Derayea, Sayed M.

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2020

File:

PDF, 605 KB

2020

2

Resonance Rayleigh scattering and spectrofluorimetric approaches for the selective determination of rupatadine using erythrosine B as a probe: Application to content uniformity test

Almahri, Albandary, AbdelâLateef, Mohamed A., Samir, Ebtihal, Derayea, Sayed M., El Hamd, Mohamed A.

Journal:

Year:

2020

File:

PDF, 1.11 MB

2020

3

Development of spectrofluorimetric method for determination of certain antiepileptic drugs through condensation with ninhydrin and phenyl acetaldehyde

Derayea, Sayed M., Attia, Tamer Z., Elnady, Mohamed

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2018

Language:

english

File:

PDF, 1.14 MB

english, 2018

4

An application of eosin Y for the selective spectrophotometric and spectrofluorimetric determination of mebeverine hydrochloride

Derayea, Sayed M. S.

Journal:

Analytical Methods

Year:

2014

Language:

english

File:

PDF, 294 KB

english, 2014

5

TLC-spectrodensitometric method for simultaneous determination of dapagliflozin and rosuvastatin in rabbit plasma: stability indicating assay and kinetic studies

Abbas, Noha S., Derayea, Sayed M., Omar, Mahmoud A., Saleh, Gamal A.

Journal:

Year:

2020

File:

PDF, 1.24 MB

2020

6

Facile complexation reactions for the selective spectrofluorimetric determination of albendazole in oral dosage forms and spiked human plasma

Hamad, Ahmed A., Ali, Ramadan, Ali, Hassan Refat H., Nagy, Dalia M., Derayea, Sayed M.

Journal:

Year:

2018

Language:

english

File:

PDF, 518 KB

english, 2018

7

Selective Spectrofluorimetric Method with Enhanced Sensitivity for Determination of Silodosine in Dosage Form and Human Plasma. Application to Stability Studies and Content Uniformity Testing

Omar, Mahmoud A., Mohamed, Abdel-Maaboud I., Derayea, Sayed M., Hammad, Mohamed A., Mohamed, Abobakr A.

Journal:

Journal of Fluorescence

Year:

2017

Language:

english

File:

PDF, 780 KB

english, 2017

8

Analysis of quetiapine in human plasma using fluorescence spectroscopy

Mostafa, Islam M., Omar, Mahmoud A., Nagy, Dalia M., Derayea, Sayed M.

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2018

Language:

english

File:

PDF, 1.83 MB

english, 2018

9

Micellar spectrofluorimetric protocol for the innovative determination of HCV antiviral (daclatasvir) with enhanced sensitivity: Application to human plasma and stability study

Abdel-Lateef, Mohamed A., Omar, Mahmoud A., Ali, Ramadan, Derayea, Sayed M.

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2019

Language:

english

File:

PDF, 945 KB

english, 2019

10

Novel potentiometric sensor for the selective determination of cefotaxime sodium and its application to pharmaceutical analysis

Saleh, Gamal A., Badr, Ibrahim H.A., El-Deen, Deena A. M. Nour, Derayea, Sayed M.

Journal:

IEEE Sensors Journal

Year:

2019

File:

PDF, 347 KB

2019

11

Investigating the interaction of mitoxantrone with anionic surfactants by spectrofluorimetry and its application for the feasible analysis of pharmaceutical preparation and biological fluids

Hamad, Ahmed Abdulhafez, Ali, Ramadan, Derayea, Sayed M.

Journal:

Year:

2020

File:

PDF, 1.21 MB

2020

12

Novel spectrofluorimetric approach for determination of ledipasvir through UV-irradiation: application to biological fluids, pharmacokinetic study and content uniformity test

Abdel-Lateef, Mohamed A., Ali, Ramadan, Omar, Mahmoud A., Derayea, Sayed M.

Journal:

Year:

2019

File:

PDF, 658 KB

2019

13

Square Wave Adsorptive Anodic Stripping Voltammetric Determination of Antidiabetic Drug Linagliptin in Pharmaceutical Formulations and Biological Fluids Using Pencil Graphite Electrode

Naggar, Ahmed. H., Saleh, Gamal. A., Omar, Mahmoud. A., Haredy, Ahmed. M., Derayea, Sayed. M.

Journal:

Analytical Sciences

Year:

2020

Language:

english

File:

PDF, 1.36 MB

english, 2020

14

An experimental ninhydrin design approach for the sensitive spectrofluorimetric assay of milnacipran in human urine and plasma

Mostafa, Islam M., Derayea, Sayed M., Nagy, Dalia M., Omar, Mahmoud A.

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2018

Language:

english

File:

PDF, 636 KB

english, 2018

15

Investigation on drug-binding in heme pocket of CYP2C19 with UV–visible and resonance Raman spectroscopies

Derayea, Sayed M., Tsujino, Hirofumi, Oyama, Yukiko, Ishikawa, Yoshinobu, Yamashita, Taku, Uno, Tadayuki

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2018

Language:

english

File:

PDF, 3.97 MB

english, 2018

16

Stress stability study of simeprevir, a hepatitis C virus inhibitor, using feasible TLC-spectro-densitometry: application to pharmaceutical dosage form and human plasma

Mohammed, Bassam Shaaban, Hamad, Amal E., Derayea, Sayed M.

Journal:

Year:

2020

File:

PDF, 622 KB

2020

17

Validated spectrofluorimetric method for determination of selected aminoglycosides

Omar, Mahmoud A., Ahmed, Hytham M., Hammad, Mohamed A., Derayea, Sayed M.

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2015

Language:

english

File:

PDF, 548 KB

english, 2015

18

Validated thin-layer chromatographic method for alternative and simultaneous determination of two anti-gout agents in their fixed dose combinations

Mohamed, Abdel-Maaboud I., Omar, Mahmoud A., Derayea, Sayed M., Hammad, Mohamed A., Mohamed, Abobakr A.

Journal:

Language:

english

File:

PDF, 965 KB

english

19

Study on fluorescence properties of HCV antiviral (velpatasvir) and its fluorimetric determination in presence of sofosbuvir; application to stability study and human plasma

Omar, Mahmoud A., Abdel-Lateef, Mohamed A., Ali, Ramadan, Derayea, Sayed M.

Journal:

Year:

2018

Language:

english

File:

PDF, 848 KB

english, 2018

20

Effect of Drug Combination on Omeprazole Metabolism by Cytochrome P450 2C19 in Helicobacter pylori Eradication Therapy

Attia, Tamer Z., Yamashita, Taku, Tsujino, Hirofumi, Derayea, Sayed M., Tsutsumi, Yasuo, Uno, Tadayuki

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

2019

Language:

english

File:

PDF, 653 KB

english, 2019

21

An innovative validated spectrofluorimetric method for determination of Lisinopril in presence of hydrochlorothiazide; application to content uniformity testing

Derayea, Sayed M., Badr El-din, Khalid M., Mohammed, Fatma F.

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2017

Language:

english

File:

PDF, 752 KB

english, 2017

22

Spectroscopic Analysis and Antibacterial Evaluation of Certain Third Generation Cephalosporins Through Metal Complexation

Ali, Hassan Refat H., Ali, Ramadan, Batakoushy, Hany A., Derayea, Sayed M.

Journal:

Analytical Chemistry Letters

Year:

2017

Language:

english

File:

PDF, 658 KB

english, 2017

23

Application of a xanthene dye, eosin Y, as spectroscopic probe in chemical and pharmaceutical analysis; a review

Derayea, Sayed M., Nagy, Dalia M.

Journal:

Reviews in Analytical Chemistry

Year:

2018

Language:

english

File:

PDF, 1.08 MB

english, 2018

24

A highly sensitive fluorimetric protocol based on isoindole formation for determination of gabapentin

Attia, Tamer Z., Elnady, Mohamed, Derayea, Sayed M.

Journal:

Year:

2019

File:

PDF, 453 KB

2019

25

A review on the use of fluorescamine as versatile and convenient analytical probe

Derayea, Sayed M., Samir, Ibtihal

Journal:

Microchemical Journal

Year:

2020

Language:

english

File:

PDF, 1.22 MB

english, 2020

26

Spectrophotometric Method for Determination of Five 1,4-Dihydropyridine Drugs Using N-Bromosuccinimide and Indigo Carmine Dye

El Hamd, Mohamed A., Derayea, Sayed M., Abdelmageed, Osama H., Askal, Hassan F.

Journal:

International Journal of Spectroscopy

Year:

2013

Language:

english

File:

PDF, 286 KB

english, 2013

27

Selectivity Improvement for Spectrofluorimetric Determination of Oseltamivir Phosphate in Human Plasma and in the Presence of Its Degradation Product

Omar, Mahmoud A., Derayea, Sayed M., Mostafa, Islam M.

Journal:

Journal of Fluorescence

Year:

2017

Language:

english

File:

PDF, 669 KB

english, 2017

28

Selective spectrofluorimetric method for determination of Lisinopril in pharmaceutical preparations and in presence of hydrochlorothiazide: Application to content uniformity testing

Derayea, Sayed M., Badr El-Din, Khalid M., Mohammed, Fatma F.

Journal:

Year:

2017

Language:

english

File:

PDF, 604 KB

english, 2017

29

Solid-State FTIR Spectroscopic Study of Two Binary Mixtures: Cefepime-Metronidazole and Cefoperazone-Sulbactam

Ali, Hassan Refat H., Ali, Ramadan, Batakoushy, Hany A., Derayea, Sayed M.

Journal:

Journal of Spectroscopy

Year:

2017

Language:

english

File:

PDF, 1.78 MB

english, 2017

30

Thinâlayer chromatography/fluorescence detection approach for sensitive and selective determination of hepatitis C virus antiviral (velpatasvir): application to human plasma

Derayea, Sayed M., AbdelâLateef, Mohamed A., Omar, Mahmoud A., Ali, Ramadan

Journal:

Year:

2020

File:

PDF, 2.51 MB

2020

31

New approach for stability study and determination of fluvoxamine in raw materials and pharmaceuticals through condensation with 2,2âdihydroxyindaneâ1,3âdione

Abuâhassan, Ahmed A., Omar, Mahmoud A., Derayea, Sayed M.

Journal:

Year:

2020

File:

PDF, 994 KB

2020

32

Microenvironment improvement protocol for the sensitive spectrofluorimetric determination of an hepatitis C virus antiviral (Simeprevir): application to human plasma

Derayea, Sayed M., A. El Hamd, Mohamed, Ali, Sayed, Samir, Ebtihal

Journal:

Year:

2019

File:

PDF, 752 KB

2019

33

Isoindole based fluorophore for the sensitive fluorimetric determination of isobutyl gamma aminobutyric acid

Derayea, Sayed M., Attia, Tamer Z., Mohamed Elnady,, Nagy, Dalia M.

Journal:

Microchemical Journal

Year:

2019

File:

PDF, 562 KB

2019

34

Innovative spectrofluorometric protocol based on micro-environment improvement for determination of Quetiapine in dosage forms and rat plasma

Derayea, Sayed M., Ahmed, Amal B., Abdelwahab, Nada S., Abdelrahman, Maha M., Omar, Mahmoud A.

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2020

Language:

english

File:

PDF, 1.71 MB

english, 2020

35

Innovative thin-layer chromatographic method combined with fluorescence detection for specific determination of Febuxostat: Application in biological fluids

Mohamed, Abdel-Maaboud I., Omar, Mahmoud A., Derayea, Sayed M., Hammad, Mohamed A., Mohamed, Abobakr A.

Journal:

Year:

2018

Language:

english

File:

PDF, 1.13 MB

english, 2018

36

Isoindole based fluorophore for the sensitive fluorimetric determination of isobutyl gamma aminobutyric acid

Derayea, Sayed M., Attia, Tamer Z., Mohamed Elnady,, Nagy, Dalia M.

Journal:

Microchemical Journal

Year:

2019

Language:

english

File:

PDF, 562 KB

english, 2019

37

A new feasible approach based on utility of ninhydrin for selective fluorimetric analysis of baclofen. Application to content uniformity evaluation

Abuâhassan, Ahmed A., Ali, Ramadan, Derayea, Sayed M.

Journal:

Year:

2020

File:

PDF, 1.34 MB

2020

38

Augmented spectrofluorimetric determination of certain fluoroquinolones via micellar â Metal complex connection: Application to pharmaceuticals and biological fluids

Mohamed Derayea, Sayed, Ahmed Omar, Mahmoud, Abdelkhalek Hammad, Mohamed, Farag Hassan, Yasser, Badr El-Din, Khalid M.

Journal:

Microchemical Journal

Year:

2021

File:

PDF, 77 KB

2021

39

Utility of the chromogenic and fluorogenic properties of benzofurazan for the assay of milnacipran in human urine and plasma

Mostafa, Islam M., Omar, Mahmoud A., Nagy, Dalia M., Derayea, Sayed M.

Journal:

Year:

2018

Language:

english

File:

PDF, 525 KB

english, 2018

40

Impact of single nucleotide polymorphisms (R132Q and W120R) on the binding affinity and metabolic activity of CYP2C19 toward some therapeutically important substrates

Derayea, Sayed M., Tsujino, Hirofumi, Oyama, Yukiko, Ishikawa, Yoshinobu, Yamashita, Taku, Uno, Tadayuki

Journal:

Year:

2020

File:

PDF, 1.57 MB

2020

41

A Flavin Derivative-Based Fluorometric Analysis for the Diabetes Mellitus Inducer, Alloxan, for Its Follow-up in Flour and Flour-Derived Food

Al Shehri, Zafer S., Derayea, Sayed M., El-Maghrabey, Mahmoud H., El Hamd, Mohamed A.

Journal:

Food Analytical Methods

Year:

2020

File:

PDF, 1.09 MB

2020

42

A Novel Spectrophotometric Method for Determination of Five 1,4-Dihydropyridine Drugs in Their Tablets and Capsules Using Vanillin Reagent

Hamd, Mohamed A. El, Derayea, Sayed M., Abdelmageed, Osama Hassan, Askal, Hassan F.

Journal:

American Journal of Analytical Chemistry

Year:

2013

Language:

english

File:

PDF, 757 KB

english, 2013

43

Development and validation of a stability-indicating spectrofluorimetric method for the determination of H1N1 antiviral drug (oseltamivir phosphate) in human plasma through the Hantzsch reaction

Omar, Mahmoud A., Derayea, Sayed M., Mostafa, Islam M.

Journal:

Year:

2015

Language:

english

File:

PDF, 420 KB

english, 2015

44

Simultaneous Determination of Tizanidine, Nimesulide, Aceclofenac and Paracetamol in Tablets and Biological Fluids Using Micellar Liquid Chromatography

Belal, Fathalla, Omar, Mahmoud A, Derayea, Sayed, Hammad, Mohamed A, Zayed, Sahar, Saleh, Safaa F

Journal:

Journal of Chromatographic Science

Year:

2017

Language:

english

File:

PDF, 476 KB

english, 2017

45

Green chromatographic methods for simultaneous determination of quetiapine and the co-administrated paroxetine in rat plasma with application to pharmacokinetic study

Abdelwahab, Nada S., Ahmed, Amal B., Omar, Mahmoud A., Derayea, Sayed M., Abdelrahman, Maha M.

Journal:

Microchemical Journal

Year:

2020

Language:

english

File:

PDF, 1.94 MB

english, 2020

46

Micelle sensitized synchronous spectrofluorimetric approaches for the simultaneous determination of simeprevir and ledipasvir: Application to pharmaceutical formulations and human plasma

Hamad, Amal E., Mohammed, Bassam Shaaban, Derayea, Sayed M., El-Malla, Samah F.

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2020

File:

PDF, 1.15 MB

2020

47

Specific and highly sensitive spectrofluorimetric method for determination of febuxostat in its tablets and real human plasma. Application to stability studies

Omar, Mahmoud A., Mohamed, Abdel-Maaboud I., Derayea, Sayed M., Hammad, Mohamed A., Mohamed, Abobakr A.

Journal:

Year:

2016

Language:

english

File:

PDF, 368 KB

english, 2016

48

Spectrofluorometric determination of alogliptin an antidiabetic drug in pure and tablet form using fluorescamine, a fluorogenic agent: application to content uniformity test

Derayea, Sayed M., Gahlan, Ahmed A., Omar, Mahmoud A., Saleh, Gamal A., Haredy, Ahmed M.

Journal:

Year:

2020

File:

PDF, 1.02 MB

2020

49

A new approach based on isoindole formation reaction for sensitive fluorimetric assay of milnacipran in tablets and biological fluids (plasma/urine)

Abu-hassan, Ahmed A., Ali, Ramadan, Derayea, Sayed M.

Journal:

Year:

2020

File:

PDF, 474 KB

2020

50

Sensitive Spectrofluorimetric Protocol for the Determination of Fluoxetine and Paroxetine Through Binary Complex Formation with Eosin Y

Derayea, Sayed, Omar, Mahmoud, Mohammed, Bassam, Ali, Ramadan

Journal:

Analytical Chemistry Letters

Year:

2016

Language:

english

File:

PDF, 556 KB

english, 2016

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