Professor Shereen Hassib Mowaka
head of pharmaceutical chemistry department and Program director
107 Building K

 As clinical pharmacist in Cancer National Institut, Cairo, Egypt, (Sept. 1997-May 1998) accompanied with practical training at St. James Hospital, Dublin, Ireland.
 Demonstrator of analytical chemistry (June 1998-January 2002).
 Assistant lecturer of analytical chemistry (Jan.2002-Feb. 2005).
o As Ph.D. researcher at Humboldt Universität, Berlin, Germany (Feb. 2005- May 2009).
 Lecturer of analytical chemistry (May 2009-December 2015).
 Associate Professor and Acting Head of Pharmaceutical Chemistry Department in faculty of Pharmacy, BUE (January 2016-till now).

Education

- Dr. rer. nat. in 2009, Ph.D degree in chemistry, Humboldt
Universität, Berlin, Germany.

- M.Sc. Analytical Chemistry in 2002, Helwan University, Egypt

- B.Pharm. Sci., Faculty of Pharmacy, Cairo University, Egypt (1997).

Research Interests

-Separation and characterization of Anticancer drugs-DNA Adducts using HPLC-ESI-Ion Trap-Mass Spectrometry.

-Development of new analytical methods for quantitative determination of drug substances either in bulk or in dosage forms using spectrophotometric, spectrofluorimetric and chromatographic techniques.

- Stability Indicating Studies.

- Application of the developed methods on Human Plasma using UPLC-PDA, LC-MS/MS techniques in pharmacokinetics studies.

Journal Articles

1- Mohamed Rizk, Saafa Toubar, Maha Sultan and Shereen Assaad, Ultraviolet Spectrophotometric Determination of Primary Amine-Containing Drugs via Their Charge-Transfer Complexes with Tetracyanoethylene, Microchim. Acta, 143, 281-285 (2003). 

2- Mohamed Rizk, Saafa Toubar, Maha Sultan and Shereen Assaad, 2,3-Dichloro-5,6-Dicyano-1,4-Benzoquinone as Redox Titrant, J. Saudi Chem. Soc., 7, 175-186 (2003). 

3- Shereen Mowaka and Michael Linscheid, Separation and Characterization of Oxaliplatin Dinucleotides from DNA using HPLC-ESI-Ion Trap-Mass Spectrometry, Analytical and Bioanalytical Chemistry, 392, 819-830 (2008). 

4- Dalia Mohamed, Shereen Mowaka, Juergen Thomale and Michael W. Linscheid, Chlorambucil-Adducts in DNA Analyzed at the Oligonucleotide Level Using HPLC-ESI MS, Chem. Res. Toxicol., 22 (8), 1435–1446 (2009). 

5- Shereen Mowaka, Matthias Ziehe, Dalia Mohamed, Ulrike Hochkirch, Juergen Thomale and Michael Linscheid, Structures of Oxaliplatin-Oligonucleotide Adducts from DNA, Journal of Mass Spectrometry, 47 (10), 1282-1293 (2012). 

6- Mohamed Rizk, Elham Anwer Taha, Shereen Mowaka and Youmna Mosaad Abdallah, Kinetic Spectrophotometric Determination of Mesna in Drug Substance and Drug Product Using Alkaline Potassium Permanganate, Chemical Science Review and Letters,1(3), 140 (2012).  

7- Shereen Mowaka and Sherif A. Abdel-Gawad, Kinetic spectrophotometric determination of simvastatin using alkaline potassium permanganate, Analytical Chemistry: An Indian Journal (ACAIJ), 12(8), 291-299 (2013). 

8- Shereen Mowaka and Dalia Mohamed, Kinetic spectrophotometric determination of flavonoids using alkaline potassium permanganate Analytical Chemistry: An Indian Journal (ACAIJ), 12(8), 300-309 (2013). 

9- Mohamed Rizk, Elham Anwer Taha, Shereen Mowaka,Youmna Mosaad Abdallah, Kinetic fluorimetric determination of Mesna (Sodium2mercaptoethane sulfonate) in drug products through oxidation with cerium(IV), European Journal of Chemistry 4 (3), 220225 (2013). 

10- Dalia Mohamed, Shereen Mowaka, Ahmed Mostafa, Simultaneous quantitative analysis of tamsulosin and finasteride in pharmaceutical dosage form by UHPLC Tandem mass spectrometry, European Journal of Chemistry 5 (1), 181185 (2014). 

11- Mohamed Rizk, Elham A. Taha, Shereen Mowaka and Youmna M. Abdallah, Validated Stability-Indicating HPLC Method for the Determination of Mesna in Presence of Its Degradation Products, Journal of Chromatographic Science, 53, 742–748 (2015)  

12- Hayam M. Lotfy, Maha A. Hegazy, Shereen Mowaka and Ekram Hany Mohamed, Novel spectrophotometric methods for simultaneous determination of Amlodipine, Valsartan and Hydrochlorothiazide in their ternary mixture, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 140, 495–508 (2015). 

13- Hayam M. Lotfy, Dalia Mohamed and Shereen Mowaka, A comparative study of smart spectrophotometric methods for simultaneous determination of sitagliptin phosphate and metformin hydrochloride in their binary mixture, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 149, 441–451 (2015). 

14- Shereen Mowaka and Dalia Mohamed, Novel contribution to the simultaneous analysis of certain hypoglycemic drugs in the presence of their impurities and degradation products utilizing UPLC-MS/MS, Royal Society of Chemistry Advances, RSC Adv., 5, 60467–60481 (2015). 

15- Hayam M. Lotfy, Maha A. Hegazy, Shereen Mowaka and Ekram Hany Mohamed, Validated spectrophotometric methods for simultaneous determination of Omeprazole, Tinidazole and Doxycycline in their ternary mixture, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 153, 321–332 (2016). 

16- El-Bagary, R.I., Elkady, E.F., Mowaka, S., Attallah, M.A., Validated HPLC and ultra-HPLC methods for determination of dronedarone and amiodarone-application for counterfeit drug analysis, Journal of AOAC International, 98 (6), Pages 1496-1502, 2015. 

17- Maha A. Hegazy, Hayam M. Lotfy, Shereen Mowaka and Ekram Hany Mohamed, Evaluation of the efficiency of continuous wavelet transform as processing and preprocessing algorithm for resolution of overlapped signals in univariate and multivariate regression analyses; an application to ternary and quaternary mixtures, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 164,  Pages 15-23 (2016). 

18- Ibrahim H. I. Habib, Mohamed Rizk, Dalia Mohamed, Shereen Mowaka and Rasha Th. El-Eryan, Simultaneous Spectrophotometric Determination of Diflunisal and Diclofenac Sodium in Pharmaceutical Dosage Form Using Chemometric Methods, British Journal of Pharmaceutical Research 12(2): 1-11, 2016. 

19- Ibrahim H.I. Habib, Mohamed Rizk, Dalia Mohamed, Shereen Mowaka and Rasha Th. El-Eryan, Square Wave Voltammetric Determination of Rasagiline Mesylate on Hanging Mercury Drop Electrode and its application in Dosage Form and Biological Fluids, Int. J. Electrochem. Sci., 11, 4802 – 4811, 2016. 

20- Ibrahim H. I. Habib, Mohamed Rizk, Dalia Mohamed, Shereen Mowaka and Rasha Th. El-Eryan, Square Wave Voltammetric Determination of Ropinirole HCl in Bulk, Dosage Forms and Biological Samples on Carbon Paste Electrode, British Journal of Pharmaceutical Research 11(3): 1-13, 2016.  

21- Shereen Mowaka, Bassam Ayoub, Ehab Kady, Mohey M. Mazar, Enhanced LC-MS/MS Determination of Alogliptin and Metformin in Plasma: Application to a Pharmacokinetic Study, Microchemical Journal, 130, Pages 360-365, 2017. 

22- Mowaka, S., Ayoub, B.M. Comparative study between UHPLC-UV and UPLC-MS/MS methods for determination of alogliptin and metformin in their pharmaceutical combination, Pharmazie, Volume 72, Issue 2, 2017, Pages 67-72. 

23- Ramzia I. El-Bagary, Shereen Mowaka, Ehab F. Elkady & Maria A. Attallah. Validated Spectrophotometric Methods for Determination of Weakly UV absorbed Perindopril Arginine in Bulk and Combined Dosage Form, Analytical Chemistry letters 6 (6) 2016 pp 766 – 782. 

24- El-Bagary, Ramzia I. ; Elkady, Ehab F. ; Mowaka, Shereen ; Attallah, Maria A. A Validated HPLC Method for Simultaneous Determination of Perindopril Arginine, Amlodipine, and Indapamide: Application in Bulk and in Different Pharmaceutical Dosage Forms, J AOAC 100(4), 2017, pp. 992-999. 

25- Mowaka, Shereen ; Hegazy, Maha A. ; Lotfy, Hayam M. ; Mohamed, Ekram H. Novel Pure Component Contribution Algorithm (PCCA) and UHPLC Methods for Separation and Quantification of Amlodipine, Valsartan, and Hydrochlorothiazide in Ternary Mixture, J AOAC, 100, 3, 2017, Pages 692-699. 

26- Bassam M. Ayoub and Shereen Mowaka LC–MS/MS Determination of Empagliflozin and Metformin, Journal of Chromatographic Science, 2017, 1–6. 

27-  Bassam Ayoub, Shereen Mowaka, Eman Elzanfaly, Nermeen Ashoush, Mohamed Elmazar, and Shaker Mousa, "Pharmacokinetic Evaluation of Empagliflozin in Healthy Egyptian Volunteers Using LC-MS/MS and Comparison with Other Ethnic Populations" Scientific Reports, 7, Issue 1, Article number 2583, 2017. 

28-   Shereen Mowaka, Moataz S Hendy, Mohamed M Elmazar, Andrew H Hakeem, Ramzia Elbagary, Ehab F Elkady, Mirna M Antoun, Mai M Shaalan, Sara A Abdel-Wahab, Mai M Elsemeiri, Nourhan K Abdelaziz, Alaa E Mohamed, Menna H Eltahawy, Asmaa M Rashid, Rola M Emam, Mahmoud M Youssef, Muhammad N El-Kattan, Marwa A Sayed, Ahmed M Kowider, Adly H Seha, Engy A Rabea, Rana M Yakout, Rolly H Faried, Bassam M Ayoub, A Concise Comparative Mini Review between HPLC-UV and Spectrophotometric Analysis of Gliptins in Pharmaceutical Formulations, Der Pharma Chemica, 2017, 9(7):140-147. 

29- Zaghary, W.A, Mowaka, S., Hassan, M.A. ,Ayoub, B.M “Comparative study between different simple methods manipulating ratio spectra for the analysis of alogliptin and metformin co-formulated with highly different concentrations”, Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 186, 2017, Pages 23-28. 

30- Mohamed, E.H., Lotfy, H.M., Hegazy, M.A., Mowaka, S., Different applications of isosbestic points, normalized spectra and dual wavelength as powerful tools for resolution of multicomponent mixtures with severely overlapping spectra, Chemistry Central Journal, 11, Issue 1, 2017, Article number 43. 

31- Zaghary, W.A. ,Mowaka, S., Hendy, M.S., Comparative liquid chromatographic study for concurrent determination of canagliflozin and metformin in combined tablets, Journal of Analytical Methods in Chemistry, Volume 2017, 2017, Article number 9197230. 

32- Zaghary, W.A, Mowaka, S., Hassan, M.A. ,Ayoub, B.M, Suitability of various chromatographic and spectroscopic techniques for analysis and kinetic degradation study of trelagliptin, Scientific Reports, Volume 7, Issue 1, 2017, Article number 17255. 

33- Ayoub, B.M. , Mowaka S., Safar, M.M., Ashoush, N., Arafa, M.G., Michel, H.E, Tadros, M.M.  Elmazar, M.M., Mousa, S.A., Repositioning of omarigliptin as a once-weekly intranasal anti-parkinsonian agent, Scientific Reports, Volume 8, Issue 1, 2018, Article number 8959. 

34- Zaghary, W.A, Mowaka, S., Hassan, M.A. ,Ayoub, B.M, Different spectrophotometric methods for simultaneous determination of trelagliptin and its acid degradation product, Journal of Analytical Methods in Chemistry, Volume 2018, 2018, Article number 7370691. 

35- Ayoub, B.M, Mowaka, S., Arafa, M.G. , Factorial design optimization of micelle enhanced synchronous spectrofluorimetric assay of Omarigliptin: Applied to content uniformity testing and in vitro drug release, Luminescence, Volume 33, Issue 4, June 2018, Pages 797-805. 

36- Zaghary, W.A. ,Mowaka, S., Hendy, M.S., Novel Ultra High Performance Liquid Chromatographic Study for Simultaneous Determination of Canagliflozin and Metformin in Binary Mixtures, Der Pharma Chemica, 2018, 10(3): 16-22 

37- Zaghary, W.A. ,Mowaka, S., Hendy, M.S., Summary of chromatographic analysis methods of anti diabetic gliflozins Empagliflozin, Canagliflozin and Dapagliflozin, Indian Drugs Volume 56, Issue 7, 2019, Pages 80-83. 

38-Zaghary, W.A. , Mowaka, S., Hendy, M.S., Kinetic Degradation Study of Dapagliflozin Coupled with UHPLC Separation in the Presence of Major Degradation Product and Metformin, Chromatographia Volume 82, Issue 4, 1 April 2019, Pages 777-789 

39- Maria A. Attallah, Shereen Mowaka, Ehab F. Elkady, Marwa Fouad, Bassam M. Ayoub, Analysis and bio-analysis of omarigliptin, trelagliptin and alogliptin: Applied to biological samples and degradation kinetic study, Microchemical Journal, 148 (2019) 253–261. 

40- Mohamed Rizk, Ibrahim H. I. Habib, Dalia Mohamed, Shereen Mowaka, Rasha Th. El-Eryan, Lanthanide-DNA probe for spectrofluorimetric determination of some 6-fluoroquinolones in eye-ear pharmaceutical preparations, Microchemical Journal, 150 (2019) 104138. 

41- Dalia Mohamed, Omar Hassan, Nada Bahnasawy, Ahmed S. Elnoby, Shereen Mowaka, UPLC-MS/MS estimation of paracetamol, pseudoephedrine hydrochloride and brompheniramine maleate in plasma: Application to a pharmacokinetic study on healthy Egyptian volunteers based on ethnic difference, Microchemical Journal, 150 (2019) 104146. 

42- Wafaa A. Zaghary, Mowaka S., Hendy M.S., Sample Enrichment of Canagliflozin Prior to Its Spectrophotometric Determination in Presence of Metformin: Application to Recently Approved Binary Dosage Form, Journal of Analytical Chemistry, Volume 75, Issue 6, Pages 742 - 7531 June 2020. 

43- Mowaka S., Ashoush N., Tadros M., Zahar N.E., Ayoub B., Enhanced extraction technique of omarigliptin from human plasma—applied to biological samples from healthy human volunteers, Molecules Open Access, Volume 25, Issue 18 September 2020 Article number 4232. 

44- Ayoub B.M., Ashoush N., Tadros M.M., El Zahar N.M., Hendy M.S., Mowaka S., Rosuvastatin dose should be case individualized: An observation from inherited hypercholesterolemia case study, Pharmazie, Volume 75, Issue 10, Pages 531 – 532 October 2020. 

45- Ayoub B.M., Michel H.E., Mowaka S., Hendy M.S., Tadros M.M., Repurposing of omarigliptin as a neuroprotective agent based on docking with A2A adenosine and AChE receptors, brain GLP-1 response and its brain/plasma concentration ratio after 28 days multiple doses in rats using LC-MS/MS, Molecules Open Access, Volume 26, Issue 4 February 2021 Article number 889. 

46- Elhassan M.M., Mahmoud A.M., Hegazy M.A., Mowaka S., Electrochemical Determination of Ipragliflozin in Pure Form and in Spiked Human Plasma on a Glassy Carbon Electrode, Journal of the Electrochemical Society, Volume 168, Issue 3March 2021 Article number 036507. 

47- Elhassan M.M., Mahmoud A.M., Hegazy M.A., Mowaka S., In-line monitoring of sitagliptin dissolution profile from tablets utilizing an eco-friendly potentiometric sensor, Chemical Papers, Volume 75, Issue 8, Pages 4165 – 4176 August 2021. 

48- Elhassan M.M., Mahmoud A.M., Hegazy M.A., Mowaka S., Kinetic Degradation Study of Ipragliflozin Coupled with MS/MS Structural Elucidation, Chromatographia Volume 85, Issue 3, Pages 233 – 245 March 2022. 

 

Conference Papers

1. “Cyano Compounds as Analytical Reagents in Pharmaceutical Analysis: 2,3-Dichloro-5,6-Dicyano-1,4-Benzoquinone (DDQ) as a Redox Titrant” in Alexandria International Conference of pharmaceutical sciences and technology, Oct. 25-27 / 2000, Egypt.
2. “UV Determination of Some Amines as Tetracyanoethylene (TCNE) Derivatives” in National Conference of Research and Studies of technological Development in cooperation with Faculty of Pharmacy, Helwan University, May 16-17 / 2001, Egypt.
3. “The Use of 1-Anthroylnitril (1-AN) for Determination of Moisture Content in Some Pharmaceuticals” in Al-Azaher International Conference of Pharmaceutical and Biological Sciences, Dec.19-21 / 2001, Egypt.
4. “Analysis of Cisplatin Adducts to Dinucleotides from the Enzymatically Digested DNA using micro HPLC coupled to Mass Spectrometry” in Jahrestagung der deutschen Gesellschaft für Massenspektrometrie, DGMS 2007, Bremen, Germany.
5. “Analysis of Cisplatin Adducts to Oligonucleotides of Enzymatically Digested DNA using micro HPLC coupled to Mass Spectrometry” in Trace Spec Conference 2007, Münster, Germany.
6. “Analysis of Oxaliplatin Adducts to Oligonucleotides of Enzymatically Digested DNA using micro HPLC coupled to Mass Spectrometry” in Jahrestagung der deutschen Gesellschaft für Massenspektrometrie, DGMS 2008, Gießen, Germany.
7. “Separation and Characterization of Oxaliplatin Complexes in DNA using micro HPLC coupled to Mass Spectrometry” in Jahrestagung der deutschen Gesellschaft für Massenspektrometrie, DGMS 2008, Gießen, Germany.
8. “Kinetic spectrophotometric Determination of Mesna in Drug Substance and Drug Product Using Alkaline Potassium Permanganate” in 3rd International Scientific Conference of Faculty of Pharmacy Cairo University 2012, Egypt.
9. “Simultaneous Quantitative Analysis of binary Mixture of Tamsulosin and Finasteride in Pharmaceutical Dosage Form by UPLC Tandem Mass Spectrometry” 5th international scientific conference in Cairo university, poster presentation ACD-27, 23 April 2014, Egypt.
10. “UPLC-MS/MS Validated Quantitative Kinetic Study of Sitagliptin and Metformin in presence of Impurties and Degradation Products in dosage form and Human Plasma” 1st International Conference of the Faculty of Pharmacy- Ain Shams University, poster presentation 2H, 14-16 October 2014, Egypt.
11. “A Comparative study of smart spectrophotometric methods for simultaneous determination of sitagliptin phosphate and metformin hydrochloride in their binary mixture” poster presentation in 3rd FUE International Conference of Pharmaceutical Sciences (3rd FUE-ICPS) 9-11 February 2015, Egypt.
12. “UPLC-MS/MS Stability Indicating Studies of Vildagliptin and Metformin in Dosage Form and Human Plasma” poster presentation in 3rd FUE International Conference of Pharmaceutical Sciences (3rd FUE-ICPS) 9-11 February 2015, Egypt.
13. “Lanthanide DNA-probe for spectrofluorimetric determination of some 9-fluoroquinolones in eye-ear drops” poster presentation in 4th FUE International Conference of Pharmaceutical Sciences (4th FUE-ICPS) 31st January -2nd February 2017, Egypt.
14. “Pharmacokinetic Evaluation of Empaglifl¬ozin in Healthy Egyptian Volunteers” at Virtual Online Conference On Pharmaceutics, Pharmacology and Drug Delivery Systems held on September 10, 2020 (649 Mission St. 5th Floor, San Francisco, CA 94105), oral presentation

Dissertations Supervised
  • Completed: Master Theses: (4) D. Theses: (2)
  • Theses under preparation: Master thesis: (3),D. Theses: (2)
Research Collaboration

- Second applicant in YIRG, Young Investigator Research Grants
honored to Dr. Bassam Ayoub in 2016. Enhanced LC-MS/MS Determination of Empagliflozin and Metformin in Healthy Egyptian Volunteers Plasma: Application to a Pharmacokinetic Study"

- PI, YIRG grant YIRG2019-09, December 2019.
“Pharmacokinetic Study of Trelagliptin administered to Healthy Egyptian Volunteers Based on Ethnic Difference using UPLC-MS/MS”

- Consultant in STDF grant was honoured to Dr Bassam Ayoub in 2020. “Repositioning of omarigliptin based on its brain/plasma concentration ratio after 21 days multiple dose & its neuroprotective effects in experimentally induced Parkinson’s disease in rats”.

Awards

-BUE Principal Research award 2015.

-BUE High impact factor award 2017.

-Bruker Prize 2015 during participation in Mass spectrometry workshop-/2016. Appreciation award 2015-2016.

 -BUE Appreciation award 2015-2016. Research grants: - 2nd applicant in YIRG, Young Investigator Research Grants honored to Dr. Bassam Ayoub in 2016. ‘’Enhanced LC-MS/MS Determination of Empagliflozin and Metformin in Healthy Egyptian Volunteers Plasma: Application to a Pharmacokinetic Study"

- PI, YIRG grant YIRG2019-09, December 2019. “Pharmacokinetic Study of Trelagliptin administered to Healthy Egyptian Volunteers Based on Ethnic Difference using UPLC-MS/MS”

- Consultant in STDF grant was honoured to Dr Bassam Ayoub in 2020. “Repositioning of omarigliptin based on its brain/plasma concentration ratio after 21 days multiple dose & its neuroprotective effects in experimentally induced Parkinson’s disease in rats”.

Other activities:

• Head of NAQAAE standard of ‘’Academic reference standards & undergraduate programmes’’ معيار المعايير الأكاديمية و البرامج التعليمية

• One of the faculty team members that awarded the NAQAAE Accreditation.

• T&L faculty coordinator at UTLC and follow up all T&L activities within the faculty.

• Nominated as senate member for two years.

• Prepare the FTLC meetings.

• Prepare the SSLC meetings.

• Manage the APR process annually since AY 2013/2014 till now.

• Participation in a scientific competition for undergraduate students.

• Supervision of students’ graduation projects each academic year.

• Delivering sessions to the academic staff entitled: how to prepare module specification.

• Delivering a session with title of how to submit the coursework briefs.

• Delivering a session discussing the generic rubric for graduation projects evaluation.

Fields of Interests
-Separation and characterization of anticancer drugs-DNA Adducts using HPLC-ESI-Ion Trap-Mass Spectrometry. -Development of new analytical methods for quantitative determination of drug substances either in bulk or in dosage forms using spectrophotometric, spectrofluorimetric and chromatographic techniques. - Stability Indicating methods and kinetic Studies. - Application of the developed methods on Human Plasma using UPLC-PDA, LC-MS/MS techniques in pharmacokinetics studies. -Separation and characterization of anticancer drugs-DNA Adducts using HPLC-ESI-Ion Trap-Mass Spectrometry. -Development of new analytical methods for quantitative determination of drug substances either in bulk or in dosage forms using spectrophotometric, spectrofluorimetric and chromatographic techniques. - Stability Indicating methods and kinetic Studies. - Application of the developed methods on Human Plasma using UPLC-PDA, LC-MS/MS techniques in pharmacokinetics studies.
Responsibilities
-Associate Professor of Analytical Chemistry. -Acting Head of Pharmaceutical Chemistry Department. -Pharmacy Programme Director. -Pharmacy Teaching & Learning Coordinator. -Supervision of M.Sc. and Ph.D. theses: Completed: Master Theses (Two) and Ph.D. Theses (Two) Theses under preparation: Master thesis (5).
Publications
1- Mohamed Rizk, Saafa Toubar, Maha Sultan and Shereen Assaad, Ultraviolet Spectrophotometric Determination of Primary Amine-Containing Drugs via Their Charge-Transfer Complexes with Tetracyanoethylene, Microchim. Acta, 143, 281-285 (2003). 2- Mohamed Rizk, Saafa Toubar, Maha Sultan and Shereen Assaad, 2,3-Dichloro-5,6-Dicyano-1,4-Benzoquinone as Redox Titrant, J. Saudi Chem. Soc., 7, 175-186 (2003). 3- Shereen Mowaka and Michael Linscheid, Separation and Characterization of Oxaliplatin Dinucleotides from DNA using HPLC-ESI-Ion Trap-Mass Spectrometry, Analytical and Bioanalytical Chemistry, 392, 819-830 (2008). 4- Dalia Mohamed, Shereen Mowaka, Juergen Thomale and Michael W. Linscheid, Chlorambucil-Adducts in DNA Analyzed at the Oligonucleotide Level Using HPLC-ESI MS, Chem. Res. Toxicol., 22 (8), 1435–1446 (2009). 5- Shereen Mowaka, Matthias Ziehe, Dalia Mohamed, Ulrike Hochkirch, Juergen Thomale and Michael Linscheid, Structures of Oxaliplatin-Oligonucleotide Adducts from DNA, Journal of Mass Spectrometry, 47 (10), 1282-1293 (2012). 6- Mohamed Rizk, Elham Anwer Taha, Shereen Mowaka and Youmna Mosaad Abdallah, Kinetic Spectrophotometric Determination of Mesna in Drug Substance and Drug Product Using Alkaline Potassium Permanganate, Chemical Science Review and Letters,1(3), 140 (2012). 7- Shereen Mowaka and Sherif A. Abdel-Gawad, Kinetic spectrophotometric determination of simvastatin using alkaline potassium permanganate, Analytical Chemistry: An Indian Journal (ACAIJ), 12(8), 291-299 (2013). 8- Shereen Mowaka and Dalia Mohamed, Kinetic spectrophotometric determination of flavonoids using alkaline potassium permanganate Analytical Chemistry: An Indian Journal (ACAIJ), 12(8), 300-309 (2013). 9- Mohamed Rizk, Elham Anwer Taha, Shereen Mowaka,Youmna Mosaad Abdallah, Kinetic fluorimetric determination of Mesna (Sodium‐2‐mercaptoethane sulfonate) in drug products through oxidation with cerium(IV), European Journal of Chemistry 4 (3), 220‐225 (2013). 10- Dalia Mohamed, Shereen Mowaka, Ahmed Mostafa, Simultaneous quantitative analysis of tamsulosin and finasteride in pharmaceutical dosage form by U‐HPLC Tandem mass spectrometry, European Journal of Chemistry 5 (1), 181‐185 (2014). 11- Mohamed Rizk, Elham A. Taha, Shereen Mowaka and Youmna M. Abdallah, Validated Stability-Indicating HPLC Method for the Determination of Mesna in Presence of Its Degradation Products, Journal of Chromatographic Science, 53, 742–748 (2015) . 12- Hayam M. Lotfy, Maha A. Hegazy, Shereen Mowaka and Ekram Hany Mohamed, Novel spectrophotometric methods for simultaneous determination of Amlodipine, Valsartan and Hydrochlorothiazide in their ternary mixture, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 140, 495–508 (2015). 13- Hayam M. Lotfy, Dalia Mohamed and Shereen Mowaka, A comparative study of smart spectrophotometric methods for simultaneous determination of sitagliptin phosphate and metformin hydrochloride in their binary mixture, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 149, 441–451 (2015). 14- Shereen Mowaka and Dalia Mohamed, Novel contribution to the simultaneous analysis of certain hypoglycemic drugs in the presence of their impurities and degradation products utilizing UPLC-MS/MS, Royal Society of Chemistry Advances, RSC Adv., 5, 60467–60481 (2015). 15- Hayam M. Lotfy, Maha A. Hegazy, Shereen Mowaka and Ekram Hany Mohamed, Validated spectrophotometric methods for simultaneous determination of Omeprazole, Tinidazole and Doxycycline in their ternary mixture, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 153, 321–332 (2016). 16- El-Bagary, R.I.a, Elkady, E.F., Mowaka, S., Attallah, M.A., Validated HPLC and ultra-HPLC methods for determination of dronedarone and amiodarone-application for counterfeit drug analysis, Journal of AOAC International, 98 (6), Pages 1496-1502, 2015. 17- Maha A. Hegazy, Hayam M. Lotfy, Shereen Mowaka and Ekram Hany Mohamed, Evaluation of the efficiency of continuous wavelet transform as processing and preprocessing algorithm for resolution of overlapped signals in univariate and multivariate regression analyses; an application to ternary and quaternary mixtures, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 164, Pages 15-23 (2016). 18- Ibrahim H. I. Habib, Mohamed Rizk, Dalia Mohamed, Shereen Mowaka and Rasha Th. El-Eryan, Simultaneous Spectrophotometric Determination of Diflunisal and Diclofenac Sodium in Pharmaceutical Dosage Form Using Chemometric Methods, British Journal of Pharmaceutical Research 12(2): 1-11, 2016. 19- Ibrahim H.I. Habib, Mohamed Rizk, Dalia Mohamed, Shereen Mowaka and Rasha Th. El-Eryan, Square Wave Voltammetric Determination of Rasagiline Mesylate on Hanging Mercury Drop Electrode and its application in Dosage Form and Biological Fluids, Int. J. Electrochem. Sci., 11, 4802 – 4811, 2016. 20- Ibrahim H. I. Habib, Mohamed Rizk, Dalia Mohamed, Shereen Mowaka and Rasha Th. El-Eryan, Square Wave Voltammetric Determination of Ropinirole HCl in Bulk, Dosage Forms and Biological Samples on Carbon Paste Electrode, British Journal of Pharmaceutical Research 11(3): 1-13, 2016. 21- Shereen Mowaka, Bassam Ayoub, Ehab Kady, Mohey M. Mazar, Enhanced LC-MS/MS Determination of Alogliptin and Metformin in Plasma: Application to a Pharmacokinetic Study, Microchemical Journal, 130, Pages 360-365, 2017. 22- Mowaka, S., Ayoub, B.M. Comparative study between UHPLC-UV and UPLC-MS/MS methods for determination of alogliptin and metformin in their pharmaceutical combination, Pharmazie, Volume 72, Issue 2, 2017, Pages 67-72. 23- Ramzia I. El-Bagary, Shereen Mowaka, Ehab F. Elkady & Maria A. Attallah. Validated Spectrophotometric Methods for Determination of Weakly UV absorbed Perindopril Arginine in Bulk and Combined Dosage Form, Analytical Chemistry letters 6 (6) 2016 pp 766 – 782. 24- El-Bagary, Ramzia I. ; Elkady, Ehab F. ; Mowaka, Shereen ; Attallah, Maria A. A Validated HPLC Method for Simultaneous Determination of Perindopril Arginine, Amlodipine, and Indapamide: Application in Bulk and in Different Pharmaceutical Dosage Forms, J AOAC, 100, 4, 2017, Pages 992-999. 25- Mowaka, Shereen ; Hegazy, Maha A. ; Lotfy, Hayam M. ; Mohamed, Ekram H. Novel Pure Component Contribution Algorithm (PCCA) and UHPLC Methods for Separation and Quantification of Amlodipine, Valsartan, and Hydrochlorothiazide in Ternary Mixture, J AOAC, 100, 3, 2017, Pages 692-699. 26- Bassam M. Ayoub and Shereen Mowaka LC–MS/MS Determination of Empagliflozin and Metformin, Journal of Chromatographic Science, 2017, 1–6. 27- Bassam Ayoub, Shereen Mowaka, Eman Elzanfaly, Nermeen Ashoush, Mohamed Elmazar, and Shaker Mousa "Pharmacokinetic Evaluation of Empagliflozin in Healthy Egyptian Volunteers Using LC-MS/MS and Comparison with Other Ethnic Populations”, Scientific Reports, 7, Issue 1, Article number 2583, 2017. 28- Shereen Mowaka, Moataz S Hendy, Mohamed M Elmazar, Andrew H Hakeem, Ramzia Elbagary, Ehab F Elkady, Mirna M Antoun, Mai M Shaalan, Sara A Abdel-Wahab, Mai M Elsemeiri, Nourhan K Abdelaziz, Alaa E Mohamed, Menna H Eltahawy, Asmaa M Rashid, Rola M Emam, Mahmoud M Youssef, Muhammad N El-Kattan, Marwa A Sayed, Ahmed M Kowider, Adly H Seha, Engy A Rabea, Rana M Yakout, Rolly H Faried, Bassam M Ayoub, A Concise Comparative Mini Review between HPLC-UV and Spectrophotometric Analysis of Gliptins in Pharmaceutical Formulations, Der Pharma Chemica, 2017, 9(7):140-147. 29- Zaghary, W.A, Mowaka, S., Hassan, M.A. ,Ayoub, B.M “Comparative study between different simple methods manipulating ratio spectra for the analysis of alogliptin and metformin co- formulated with highly different concentrations”, Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy,186, 2017, Pages 23-28. 30- Mohamed, E.H., Lotfy, H.M., Hegazy, M.A., Mowaka, S., Different applications of isosbestic points, normalized spectra and dual wavelength as powerful tools for resolution of multicomponent mixtures with severely overlapping spectra, Chemistry Central Journal, 11, Issue 1, 2017, Article number 43.
Position
Acting Head of Pharmaceutical Chemistry Department and Pharmacy Programme Director