مسار التنقل

home - Ashraf Mohammad Mahmoud

أ.د/ أشرف محمد محمد محمود

أستاذ

 كلية الصيدلة 
قسم الكيمياء الصيدلية

كيمياء تحليلية صيدلية

موبايل  0550204707
إميل : amsayed@nu.edu.sa
 

0175428888
info@nu.edu.sa

المؤهلات العلمية

1. دكتوراه. في الكيمياء التحليلية الصيدلية. "القياس المناعي الإشعاعي والإجراءات الكيميائية الإشعاعية لتحديد الامتصاص الجلدي والتمثيل الغذائي لهرمونات الإستيرويد الجنسي" من جامعة برلين الحرة (ألمانيا) ، مايو 2005.
2. ماجستير في الكيمياء التحليلية الصيدلية. "تحليل بعض الأدوية المضادة للفطريات فى أشكالها النقية وفي المستحضرات الصيدلية". جامعة أسيوط ، مصر. يونيو 1998.
3. بكالوريوس. في العلوم الصيدلانية. جيد جدا مع مرتبة الشرف. جامعة أسيوط ، مصر. مايو 1992.

الخبرات

التخصصات والمهارات

  1. مقيم وممتحن خارجي في كليات الصيدلة بالقاهرة والإسكندرية والمنيا والمنصورة والأزهر والروسية والنهضة بني سويف.
  2. تدريس مقررات الكيمياء التحليلية الكمية لطلاب كلية الصيدلة في جامعات أسيوط والأزهر والملك سعود ونجران.
  3. تدريس دورات التحليل الآلي (الكروماتوغرافيا [HPLC ، GC ، HPTLC] ، الرحلان الكهربائي ، القياس الطيفي بالأشعة المرئية وفوق البنفسجية ، القياس الفلوري ، التلألؤ الكيميائي والكيمياء الكهربائية) لطلاب الصيدلة الجامعيين في جامعات أسيوط والملك سعود ونجران.
  4. تدريس مقرر مراقبة الجودة والتحليل الصيدلاني لطلبة كلية الصيدلة الإكلينيكية في جامعتي أسيوط ونجران.
  5. تدريس مقرر طرق التحليل الطيفي المتقدمة (UV-VIS ، IR ، Mass ، 1H-NMR ، والتحليل الطيفي الذري) لطلبة البكالوريوس في الصيدلة السريرية وطلاب الدراسات العليا بجامعة أسيوط.
  6. تدريس مناهج التحليل الطيفي المتقدم والاستخراج والتنظيف لدرجة الدكتوراه. طلاب الصيدلة بجامعة أسيوط.
  7. تدريس التحليل الآلي المتقدم وطرق الحركة في دورات التحليل الصيدلاني لدرجة الماجستير. طلاب الصيدلة بجامعة الملك سعود

الدورات التدربية


1- المشاركة في إعداد جامعة نجران للزيارة الاستكشافية من الهيئة الوطنية للتقويم والاعتماد الأكاديمي 1438
2- المشاركة في إعداد جامعة نجران لزيارة الاعتماد النهائية من الهيئة الوطنية للتقويم والاعتماد الأكاديمي نوفمبر 2018
3- التطوير والتأهيل المستمر للاعتماد الأكاديمي لكلية الصيدلة بجامعة نجران (2019-2021) والزيارة النهائية في 5-8 ديسمبر 2021.
4- المشاركة في إنشاء نظام ضمان الجودة الداخلي بكلية الصيدلة جامعة أسيوط 2005-2006
5- التطوير والتأهيل المستمر للاعتماد الأكاديمي لكلية الصيدلة بجامعة أسيوط (2009-2010).
6- عضو وحدة ضمان الجودة بكلية الصيدلة جامعة أسيوط.
7- المشاركة في إعداد كلية الصيدلة جامعة أسيوط لزيارة المحاكاة من نظام ضمان الجودة بجامعة أسيوط في الفترة من 19-22 أبريل 2010.
8- المشاركة في إعداد كلية الصيدلة جامعة أسيوط للزيارة الاستكشافية من الهيئة الوطنية لضمان الجودة في 9-12 مايو 2010.
9- المشاركة في إعداد كلية الصيدلة جامعة أسيوط لزيارة الاعتماد النهائي من NAQAA في 2-5 مايو 2011.

 الدورات التدريبية وورش العمل في مجال ضمان الجودة والاعتماد الأكاديمي
1- ورشة عمل تدريبية حول "التدريس بالتكنولوجيا" جامعة أسيوط ، مصر ، يوليو 2005.
2- ورشة عمل تدريبية حول "حل المشكلات واتخاذ القرار" جامعة أسيوط ، سبتمبر 2005.
3- ورشة عمل تدريبية حول "مهارات الاتصال النشط" جامعة أسيوط ، سبتمبر 2005.
4- ورشة عمل تدريبية حول "الاتجاهات الحديثة في التدريس" جامعة أسيوط ، أكتوبر 2005.
5- ورشة عمل تدريبية حول "مهارات العرض النشط" جامعة أسيوط ، أكتوبر 2005.
6- ورشة عمل تدريبية حول "تصميم المقررات الدراسية والمناهج" جامعة أسيوط ، مصر ، 25 أكتوبر 2005.
7-  ورشة عمل حول (أبحاث النانو في الجامعات) ، الرياض ، المملكة العربية السعودية ، 28-29 أكتوبر ، 2007

8- ورشة عمل تدريبية حول "التخطيط الاستراتيجي" جامعة أسيوط ، مصر ، 8 أغسطس 2009.
9- ورشة عمل تدريبية حول "أنظمة الامتحانات وتقييم الطلاب" NCAAA في هوليداي إن ، نجران ، ديسمبر 2011
10- ورشة عمل تدريبية حول "كتابة مشروع بحث علمي" جامعة أسيوط ، فبراير 2012.
11- ورشة عمل تدريبية حول "معايير الجودة في عملية التدريس 1" جامعة أسيوط ، مايو 2013.
12- ورشة عمل تدريبية حول "معايير الجودة في دعم البنية التحتية" عطلة إن ، نجران ، ورشة عمل الهيئة الوطنية للتقويم والاعتماد الأكاديمي (NCAAA) في 2-3 أبريل 2013.
13- ورشة عمل تدريبية حول "إعداد تقرير البرنامج السنوي" جامعة نجران ، ورشة عمل الهيئة الوطنية للتقييم والاعتماد الأكاديمي (NCAAA) في 14-15 مايو 2013
14- ورشة عمل تدريبية حول "أنظمة الامتحانات وتقييم الطلاب" NCAAA في هوليداي إن ، نجران ، سبتمبر 2013
15- ورشة عمل تدريبية حول "تصميم البرنامج في إطار المؤهلات الوطنية" ورشة عمل الهيئة الوطنية للتقويم والاعتماد الأكاديمي في هوليداي إن ، نجران ، 7-8 أكتوبر 2013.
16- ورشة عمل تدريبية حول ضمان الجودة وتقييم البرامج. هوليداي إن ، نجران ، ورشة عمل الهيئة الوطنية للتقويم والاعتماد الأكاديمي ، أكتوبر - نوفمبر. 2013.
17- ورشة عمل تدريبية حول "اعداد مواصفات البرنامج وفق معايير الهيئة الوطنية للتقويم والاعتماد الأكاديمي" في 18-19 نوفمبر 2013
18- ورشة عمل تدريبية حول مؤشرات الجودة والمعايير. هوليداي إن ، نجران ، ورشة عمل الهيئة الوطنية للتقويم والاعتماد الأكاديمي ، نوفمبر 2013.
19- ورشة عمل تدريبية حول "اعداد تقرير الدورة وفق معايير الهيئة الوطنية للتقويم والاعتماد الأكاديمي" في 17-18 ديسمبر 2013
20- ورشة عمل تدريبية حول إعداد تقرير الدراسة الذاتية ، هوليداي إن ، نجران ،
21- ورشة عمل الهيئة الوطنية للتقويم والاعتماد الأكاديمي ، 22-23 ديسمبر 2013.
22- ورشة عمل تدريبية حول "الإستراتيجيات الحديثة في التدريس" جامعة أسيوط ، جولي. 25-26 2014.
23- ورشة عمل تدريبية حول "معايير الجودة في عملية التدريس" Juli. 25-26 2014.
24- ورشة عمل تدريبية حول "تقييم مخرجات تعلم البرامج والمقررات" 11-12 ديسمبر 2014.
25- ورشة عمل تدريبية حول مخرجات التعلم في SAQF. مكان NCAAA ، الرياض ، المملكة العربية السعودية ، 2019

الأبحاث العلمية

RESEARCH AND TECHNOLOGY PROJECTS
  1. “In vitro validated alternatives to animal experiments” research project which is financially supported by the German Validation Center for Alternative Methods (ZEBET; WK 1-1328-170), Berlin, Germany, 2005. The project evaluate the formulation effects on percutaneous absorption of different skin models; reconstructed epidermis and full-thickness skin models for reducing the need for animal experiments and the risks for patients receiving a new drug or new formulation.
  2. “Formal large scale validation study comparing the uptake of chemicals by reconstructed epidermis to uptake in human and animal skin to set up a standard protocol for the use of reconstructed epidermis in routine skin absorption tests” research project which is financially supported by the German Ministry of Education and Research (BEO 031288-1/4/6), Berlin, Germany, 2003.
  3. “Development of Sensitive Immunoanalytical Technique for 2'-Deoxycytidine as a Potential Prognostic Marker for Breast Cancer Chemotherapy.” research project which is financially supported by the Research Center, College of Pharmacy, King Saud University, Saudi Arabia (grant No. CPRC. 183).
  4. “Synthesis and Investigation of Some Amantadine Derivatives as Hepatic Delivery System to Enhance its Activity against HCV.” research project which is financially supported by the Research Center, College of Pharmacy, King Saud University, Saudi Arabia (grant No. CPRC. 181).
  5. “Novel analytical approach for reducing the consumption of organic solvents in the charge transfer-based spectrophotometric analysis.” research project which is financially supported by the Research Center, College of Pharmacy, King Saud University, Saudi Arabia (grant No. CPRC. 225).
  6. “Novel high-throughput kinetic spectrophotometric for determination of pentoxifylline hydrochloride and its metabolites in plasma and pharmaceuticals.” research project which is financially supported by the Deanship of Scientific Research, Najran University. Project Code (nu/mid/14/062)
  7.  “Novel accurate and sensitive analytical approach for determination of omeprazole in combined pharmaceutical formulations and human plasma using advanced nanomaterials-based sensors and 2,3-dichloro-naphthoquinone and 2,3,5,6-tetrabromo-1,4-benzoquinone reagents. ” research project which is financially supported by the Deanship of Scientific Research, Najran University. Project Code (nu/mid/15/063)
  8. “Decoration of S, N co-doped graphene quantum dots with ?-aminothiophenol functionalized AuNPs for molecular imprinted sensing of sofosbuvir in real samples.” research project which is financially supported by the Deanship of Scientific Research, Najran University. Project Code (nu/mid/16/032)
  9. “One pot synthesis of AuPdPt trimetallic nanohybrid decorated reduced graphene oxide nanosheets for ultrasensing of anti-convulsant drug retigabine.” research project which is financially supported by the Deanship of Scientific Research, Najran University. Project Code (nu/mid/16/055)
  10. “Simultaneous analysis of mycophenolate mofetil and tacolimus using multiple layers of MWCNTs and a novel Cu-ADPPI MOFs modified pencil graphite electrode.” research project which is financially supported by the Deanship of Scientific Research, Najran University. Project Code (nu/mid/16/039)
  11. “Facile fabrication of a novel 3D rose like lanthanium doped zirconia decorated reduced graphene oxide nanosheets: An efficient electro-catalyst for electrochemical reduction of futuristic anti-cancer drug salinomycin during pharmacokinetic study.” research project which is financially supported by the Deanship of Scientific Research, Najran University. Project Code (nu/mid/16/090)
  12. “A novel imidazole derived colorimetric sensor for sequential detection of copper (II) and sulphide ions in aqueous solutions and biosamples.” research project which is financially supported by the Deanship of Scientific Research, Najran University. Project Code (nu/mid/16/091)
SUPERVISION OF THESES
  1. Supervision of the M. Sc. Thesis “Analytical Methods for H2-Receptor Antagonists” Faculty of Pharmacy, Assiut University, Egypt. (finished, 2007)
  2. Supervision of M. Sc. thesis “New Selctive Analytical Methods for Determination of Gemifloxacin in pharmaceutical preparation and biological fluids” Faculty of Pharmacy,  Assiut University, Egypt. (finished, 2014)
  3. Supervision of Ph.D. thesis.  “Analysis of some pharmaceutical drugs and biologically active compounds using capillary electrochromatography” Faculty of Pharmacy, Assiut University, Egypt. (finished, 2014)
  4. Supervision of Ph.D. thesis “New HPLC and votammetric methods for determination of certain hypolipidemic drugs” Faculty of Pharmacy, Assiut University, Egypt. (finished, 2018)
 
 All publications (73) are published internationally and the majority of them are of high quality (Q1-Q2) papers
      https://scholar.google.com/citations?hl=ar&user=17tyhHcAAAAJ
 
  1. Salwa R El-Shabouri, Kamla M Emara, Pakinaz Y Khashaba, Ashraf M Mohamed: Charge-transfer complexation for spectrophotometric assay of certain imidazole antifungal drugs. Anal. Lett., 31 (1998)1367-1385.
  2. Ashraf M Mohamed: Analysis of some antifungal drugs in pure forms and in pharmaceutical preparations. Assiut University
  3. PY Khashaba, SR El-Shabouri, KM Emara, AM Mohamed: Analysis of some antifungal drugs by spectrophotometric and spectrofluorimetric methods in different pharmaceutical dosage forms. J. Pharm. Biomed. Anal., 22 (2000)363-76.
  4. S Schreiber, A Mahmoud, MK Rübbelke, M Schaller, HC Korting, E Schmidt, M Liebsch, M Sch?fer-Korting: Validation study on percutaneous absorption via human skin models. NAUNYN-SCHMIEDEBERGS ARCHIVES OF PHARMACOLOGY. 369, 8-8, 2004
  5. A Mahmoud, A Haberland, M Dürrfeld, D Heydeck, S Wagner, M Sch?fer-Korting: Cutaneous estradiol permeation, penetration and metabolism in pig and man. Skin Pharmacology and Physiology, 18 (2005)27-35.
  6. S Schreiber, A Mahmoud, A Vuia, MK Rübbelke, E Schmidt, M Schaller, H Kand?rov?, A Haberland, UF Sch?fer, U Bock, HC Korting, M Liebsch, M Sch?fer-Korting: Reconstructed epidermis versus human and animal skin in skin absorption studies. Toxicology in Vitro, 19 (2005)813-822.
  7. A Mahmoud: Radioimmunoassay and radiochemical procedure for determination of cutaneous uptake and metabolism of sex steroid hormones. Freie University, Berlin, Germany, 2005
  8. Ibrahim A. Darwish, Ashraf M. Mahmoud, Abdel-Rahman A. Al-Majed: generic simple enzyme immunoassay approach to avert small molecule immobilization problems on solid phases. Application to the determination of tobramycin in serum. Talanta, 72 (2007)1322-1328.
  9. Ashraf Mahmoud, Simone Lombardi Borgia, Sylvia Schreiber, Wolfgang Mehnert, Burkhard Kleuser, Monika Sch?fer-Korting: Human Reconstructed Skin Models for Absorption Testing: Comparison of hydrocortisone and testosterone formulations. Controlled Release Society conference, 2007
  10. Ibrahim A. Darwish, Samiha A Hussein, Ashraf M Mahmoud, Ahmed I Hassan: Sensitive indirect spectrophotometric method for determination of H2-receptor antagonists in pharmaceutical formulations. Int. J. Biomed. Sci., 2007, 3: 123-130.
  11. Hanaa M. Abdel-Wadood, Niveen A. Mohamed, Ashraf M. Mahmoud: Validated spectrofluorometric methods for determination of amlodipine besylate in tablets. Spectrochimica Acta Part A, 70 (2008) 564-570.
  12. Ibrahim A. Darwish, Ashraf M. Mahmoud, Nasr Y. Khalil: Non-extractive procedure and pre-column derivatization with 7-chloro-4-nitrobenzo-2-oxa-1,3-diazole for trace determination of trimetazidine in plasma by HPLC with fluorescence detection J. AOAC Int., 91 (2008)1037-1044.
  13. Ibrahim A. Darwish, Samiha A Hussein, Ashraf M Mahmoud, Ahmed I Hassan: Spectrophotometric determination of H2-receptor antagonists via their oxidation with cerium (IV). Spectrochimica Acta Part A, 69 (2008)33-40.
  14. Monika Sch?fer-Korting, Ashraf Mahmoud, Simone Lombardi Borgia, Barbara Brüggener, Burkhard Kleuser, Sylvia Schreiber, Wolfgang Mehnert: Reconstructed Epidermis and Full-Thickness Skin for Absorption Testing: Influences of the Vehicles Used on Steroid Permeation. ATLA, 36 (2008) 441-452.
  15. Ibrahim A. Darwish, Samiha A Hussein, Ashraf M Mahmoud, Ahmed I Hassan: A sensitive spectrophotometric method for the determination of H2-receptor antagonists by means of N-bromosuccinimide and p-aminophenol. Acta Pharmaceutica, 58 (2008) 87-97.
  16. Ibrahim A. Darwish, Ashraf M. Mahmoud, Abdel-Rahman A. Al-Majed, Tarek Abo-ElFadl, Nasr Y. Khalil: A Highly Sensitive Enzyme Immunoassay For Evaluation Of 2'-Deoxycytidine Plasma Level As A Prognostic Marker For Breast Cancer Chemotherapy, Anal. Chim. Acta, 632 (2009) 266-271.
  17. Ibrahim A. Darwish, Abdel-Rahman A. Al-Majed, Ashraf M. Mahmoud, Nasr Y. Khalil: New non-extractive and highly sensitive HPLC method for determination of paroxetine in plasma after offline precolumn derivatization with 7-chloro-4-nitrobenzo-2-oxa-1,3-diazole. J. AOAC Int., 92 (2009)1-8.
  18. Ashraf M. Mahmoud, New Sensitive Kinetic Spectrophotometric Methods for Determination of Omeprazole in Dosage Forms. Int.J.Anal.Chem,2009 (2009)1-11 (Published online, doi:10.1155/2009/307045).
  19. Ashraf M. Mahmoud, Nasr Y. Khalil, Ibrahim A. Darwish, Tarek Aboul-Fadl: Selective spectrophotometric and spectrofluorometric methods for the determination of amantadine hydrochloride in capsules and plasma via derivatization with 1,2-naphthoquinone-4-sulphonate. Int. J. Ana.l Chem., 2009 (2009) (Published online, 8 pages, doi: 10.1155/2009/810104).
  20.  Ashraf M. Mahmoud, Ibrahim A. Darwish, Nasr Y. Khalil: Fluorometric study for the reaction between sertraline and 7-chloro-4-nitrobenzo-2-oxa-1,3-diazole: kinetics, mechanism and application for the determination of sertraline in tablets. J Fluorescence 20 (2010) 607–613.
  21. Ibrahim Darwish, Samiha Abdel-Rahman, Ashraf Mahmoud, Ahmed Hassan: “Spectral investigation and analytical application  of the vinylamino-substituted haloquinone derivatives of nizatidine and ranitidine” Int. J. Res. Pharm. Sci., 1 (2010) 1-7.
  22. Nasr Y. Khalil, Ashraf M. Mahmoud, Ibrahim A. Darwish, Abdul-Rahman A. Al-Majed: “Highly Sensitive HPLC Method with Automated Co-Sense System and Fluorescence Detection for Determination of Sertraline in Human Plasma” Chromatographia 72 (2010).
  23. Ashraf M. Mahmoud, Nasr Y. Khalil, Ibrahim A. Darwish, Tarek Aboul-Fadl: selective and sensitive methods for the determination of amantadine. Analytical Chemistry: Methods and Applications
  24. Ibrahim Darwish, Samiha Abdel-Rahman, Ashraf Mahmoud, Ahmed Hassan: “N-bromosuccinimide/fluorescein system for spectrophotometric determination of H2-receptor antagonists in their dosage forms” Int. J. Res. Pharm. Sci., 1 (2010) 86-93.
  25. Ibrahim A. Darwish, Tarek Aboul-Fadl, Nasr Y. Khalil, Ashraf M. Mahmoud,  Abdul-Rahman M. Al-Obaid: New Sensitive HPLC Method for Evaluation of the Pharmacokinetics of New Amantadine Prodrugs as Hepatic Delivery Systems to Enhance its Activity against HCV. Int. J. Res. Pharm. Sci., 1 (2010) 151-157.
  26. Ibrahim A. Darwish, Ashraf M. Mahmoud, Abdul-Rahman A. Al-Majed: Novel analytical approach for reducing the consumption of organic solvents in the charge transfer-based spectrophotometric analysis of losartan potassium. Int. J. Res. Pharm. Sci., 1 (2010) 151-157.
  27. Tarek Aboul-Fadl, Ashraf M. Mahmoud, Nasr Y. Khalil,  Ibrahim A. Darwish, Abdul-Rahman M. Al-Obaid: Evaluation of the Pharmacokinetics of New Amantadine Prodrugs as Hepatic Delivery Systems to Enhance its Activity against HCV. THE AMERICAN CHEMICAL SOCIETY 237 (2009) 355-355. 2009/3/22
  28. Ibrahim A. Darwish, Ashraf M. Mahmoud, Abdul-Rahman A. Al-Majed: Novel analytical approach for reducing the consumption of organic solvents in the charge transfer-based spectrophotometric analysis:  Application in the analysis of certain antihypertensive drugs. Acta Pharmaceutica, 60 (2010).
  29. Badraddin M.H. Al-Hadiya, Ashraf M. Mahmoud: Gemifloxacin Comprehensive Profile, Analytical Profile of Drug Substances, Excipients and Related Methodology, Vol. 39, 2011.
  30. Ashraf M. Mahmoud, Hanaa M. Abdel-Wadood, Niveen A. Mohamed: Kinetic Spectrophotometric Method for Determination of Amilodipine Besylate in its Pharmaceutical Tablets. J. Pharm. Anal., 2 (2012)
  31. Ashraf M. Mahmoud, Salwa R. El-Shabouri, Noha N. Atia, Wesam M. El-koussi: Novel simple HPTLC approach to avert pretreatment of plasma samples: Application to the determination of gemifloxacin mesylate using fluorescence detection. Assiut University 7th Pharmaceutical Sciences Conference, Assiut, Egypt, Marsh 14-15th , 2012
  32. Noha N. Atia, Ashraf M. Mahmoud, Salwa R. El-Shabouri, Wesam M. El-koussi: Two validated spectrofluorometric methods for determination of Gemifloxacin mesylate in tablets and human plasma. Int. J. Ana.l Chem., 2013  (Published online, 11 pages, http://dx.doi.org/10.1155/2013/137279).
  33. Marwa Fathy Bakr Ali, Naoya Kishikawa, Kaname Ohyama, Horria Abdel-Mageed Mohamed, Hanaa Mohamed Abdel-Wadood, Ashraf Mohamed Mohamed, Naotaka Kuroda, Chromatographic determination of aliphatic aldehydes in humanserum after pre-column derivatization using 2,2_-furil, a novelfluorogenic reagent. J. Chromatogr. A 1300 (2013) 199– 203.   
  34. Marwa F Ali, Naoya Kishikawa, Kaname Ohyama, Horria A. Mohamed, Hanaa M. Abdel-Wadood, Ashraf M Mahmoud, Takahiro Imazato, Yukitaka Ueki, Mitsuhiro Wada, Naotaka Kuroda: Chromatographic determination of low-molecular mass unsaturated aliphatic aldehydes with peroxyoxalate chemoluminescence detection after fluorescence labeling with4-(N,N-dimethyl-aminosulfonyl)-7-hydrazino-2,1,3-benzoxadiazole.
    J. Chromatography B,     953-954 (2014)147-152.
  35. Wesam M El-Koussi, Noha N Atia, Ashraf M Mahmoud, Salwa R El-Shabouri: HPTLC method for direct determination of gemifloxacin mesylate in human plasma. J. Chromatography B, 967 (2014) 98-101.
  36. Ashraf M Mahmoud, Noha N Atia, Salwa R El-Shabouri, Wesam M El-Koussi: Flow injection analysis for quantitative determination of gemifloxacin mesylate in pharmaceutical preparations and human plasma. Assiut University 9th International Pharmaceutical Sciences Conference, Assiut, Egypt, 12-13th March 2014, p. 93.
  37. Sameh Ahmed, Ashraf M Mahmoud: A novel salting-out assisted extraction coupled with HPLC- fluorescence detection for trace determination of vitamin K homologues in human plasma. Talanta 144 (2015) 480-487.
  38. Ashraf M Mahmoud, Noha N Atia, Salwa R El-Shabouri, Wesam M El-Koussi: Development and Validation of Stability Indicating HPTLC Assay for Determination of Gemifloxacin Mesylate in Dosage Forms. American J Anal Chem 6 (2015) 85-97.
  39. Ashraf M Mahmoud, Sameh Ahmed: A Validated High-Throughput Fluorometric Method for Determination of Omeprazole in Quality Control Laboratory via Charge Transfer Sensitized Fluorescence. J Fluorescence. 26 (2016) 521-526. DOI 10.1007/s10895-015-1737-4
  40. Ashraf M. Mahmoud, Saad A AlQahtani: Spectrophotometric Study for the Reaction of Pentoxifylline Hydrochloride with 1, 2-Naphthoquinone-4-Sulphonate: Kinetics, Mechanism and Application for Development of High-throughput Kinetic Microwell Assay for Pentoxifylline in Quality Control Laboratory. American J Anal Chem 7 (2016) 179-191.
  41. Wesam M El-Koussi, Noha N Atia, Ashraf M Mahmoud: Spectrofluorometric Methods for Determination of Gemifloxacin Mesylate. Book: 20/11/2013; Lambert Academic Publishing, ISBN: 978-3-659-4905-4.
  42. Saad A AlQahtani, Samer S. Abu-Alrub, Ashraf M. Mahmoud: Adsorption of food coloring allura red dye (E129) from aqueous solutions using activated carbon. International Journal of Food and Allied Sciences, 2017, 3(1): 10-19
  43. Saad A AlQahtani, Ashraf M. Mahmoud, Samer S. Abu-Alrub: Novel analytical study for the charge-transfer reactions of omeprazole with 2,3-dichloro-naphthoquinone and 2,3,5,6-tetrabromo1,4-benzoquinone: Application for the development of microwell assay of omeprazole. Journal of Advances in Chemistry, 2018, 15(2): 6099-6115
  44. Mohamed M. El-Wekil, Ashraf M. Mahmoud, Saad A. Alkahtani, Adel A. Marzouk, Ramadan Ali, A facile synthesis of 3D NiFe2O4 nanospheres anchored on a novel ionic liquid modi?ed reduced graphene oxide for electrochemical sensing of ledipasvir: Application to human pharmacokinetic study. Biosensors and Bioelectronics 109 (2018) 164–170
  45. Mohamed M. El-Wekil, Saad A. Alkahtani, Hassan R Ali, Ashraf M. Mahmoud, Advanced sensing nanomaterials based carbon paste electrode for simultaneous electrochemical measurement of esomeprazole and diclofenac sodium in human serum and urine samples. Journal of Molecular Liquids 262(2018) 495–503
  46. Mohamed M. El-Wekil, Ashraf M. Mahmoud, Adel A. Marzouk, Saad A. Alkahtani, Ramadan Ali, A novel molecularly imprinted sensing platform based on MWCNTs/AuNPs decorated 3D starfish like hollow nickel skeleton as a highly conductive nanocomposite for selective and ultrasensitive analysis of a novel pan-genotypic inhibitor velpatasvir in body fluids. Journal of Molecular Liquids 271 (2018) 105–111
  47. Ashraf M. Mahmoud & Mohamed M. El-Wekil & Mater H. Mahnashi & Marwa F. B. Ali & Saad A. Alkahtani, Modification of N,S co-doped graphene quantum dots with p-aminothiophenol-functionalized gold nanoparticles for molecular imprint-based voltammetric determination of the antiviral drug sofosbuvir. Microchimica Acta 186 (2019) 617
  48. Mater H. Mahnashi & Ashraf M. Mahmoud & Saad A. Alkahtani, Decoration of S, N co-doped graphene quantum dots functionalized gold nanoparticles for molecular imprinted sensing of sofosbuvir in real samples. THE AMERICAN CHEMICAL SOCIETY 285 (2019).
  49. Saad A. Alkahtani, Mohamed M. El-Wekil, Ashraf M. Mahmoud, Mater H. Mahnashi and Mohamed Oraby, One Pot Synthesis of AuPdPt Trimetallic Nanohybrid Decorated Reduced Graphene Oxide Nanosheets for Ultrasensing of Anti-Convulsant Drug Retigabine (Ezogabine). Journal of The Electrochemical Society, 166 (2019) H521-H526.
  50. Mater H. Mahnashi, Ashraf M. Mahmoud, Saad A. Alkahtani, Ramadan Ali, and Mohamed M. El-Wekil, Facile fabrication of a novel disposable pencil graphite electrode for simultaneous determination of promising immunosuppressant drugs mycophenolate mofetil and tacrolimus in human biological fluids. Analytical and Bioanalytical Chemistry, (2019) doi:10.1007/s00216-019-02245-8
  51. Saad A. Alkahtani, Ashraf M. Mahmoud, Mater H. Mahnashi, Ramadan Ali, and Mohamed M. El-Wekil, Facile fabrication of a novel 3D rose like lanthanum doped zirconia decorated reduced graphene oxide nanosheets: An efficient electro-catalyst for electrochemical reduction of futuristic anti-cancer drug salinomycin during pharmacokinetic study. Biosensors and Bioelectronics 150 (2020) 111849
  52. Ashraf M. Mahmoud, Saad A Alkahtani, Bandar A Alyami, and Mohamed M. El-Wekil. Dual-recognition molecularly imprinted aptasensor based on gold nanoparticles decorated carboxylated carbon nanotubes for highly selective and sensitive determination of histamine in different matrices. Analytica Chimica Acta, 1133 (2020), 58-65
  53. Mater H. Mahnashi, Ashraf M. Mahmoud, Saad A. Alkahtani, Ramadan Ali, and Mohamed M. El-Wekil, A novel imidazole derived colorimetric and fluorometric chemosensor for bifunctional detection of copper (II) and sulphide ions in environmental water samples. Spectrochimica Acta Part A, 81 (2020) 117846
  54. Ashraf M. Mahmoud, Mater H. Mahnashi, Saad A. Alkahtani, and Mohamed M. El-Wekil, Nitrogen and sulfur co-doped graphene quantum dots/nanocellulose nanohybrid for electrochemical sensing of anti-schizophrenic drug olanzapine in pharmaceuticals and human biological fluids. International journal of biological macromolecules. 165 (2020) 2030-2037.
  55. Ali O.Alqarni, Saad A.Alkahtani, Ashraf M. Mahmoud, Mohamed M.El-Wekil, Design of “Turn On” fluorometric nanoprobe based on nitrogen doped graphene quantum dots modified with ?-cyclodextrin and vitamin B6 cofactor for selective sensing of dopamine in human serum, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, Elsevier, 248 (2021), 119180
  56. Ashraf M. Mahmoud, Mater H. Mahnashi, and Mohamed M. El-Wekil, Indirect differential pulse voltammetric analysis of cyanide at porous copper based metal organic framework modified carbon paste electrode: Application to different water samples. Talanta, 221 (2021) 121562
  57.  Mater H. Mahnashi, Ashraf M. Mahmoud, Saad A. Alkahtani, and Mohamed M. El-Wekil, Simultaneous electrochemical detection of azithromycin and hydroxychloroquine based on VS2 QDs embedded N, S @graphene aerogel/cCNTs 3D nanostructure, Microchemical Journal, Elsevier, 163, 105925, January, 2021
  58. Saad A. Alkahtani, Ashraf M. Mahmoud, Mater H. Mahnashi, Ali O. AlQarni, Yahya S. A. Alqahtani, Mohamed M. El-Wekil, Facile one pot sonochemical synthesis of layered nanostructure of ZnS NPs/rGO nanosheets for simultaneous analysis of daclatasvir and hydroxychloroquine, Microchemical Journal, Elsevier, 164, 105972, January, 2021
  59. Ashraf M. Mahmoud, Mater H. Mahnashi, Khalid Alhazzani, Alanazi AZ, Mohammad M. Algahtani, Ali Alaseemd, Bandar A. Alyami, Ali O. AlQarni, Mohamed M. El-Wekil, Nitrogen doped graphene quantum dots based on host guest interaction for selective dual readout of dopamine, Spectrochimica Acta part A, Elsevier, 252, 119516, February, 2021
  60. Mater H.Mahnashi, Ashraf M. Mahmoud, A Z Alanazi, Khalid Alhazzani, Saleh A. Alanazi, Mohammed M. Alanazi, Mohamed M.El-Wekil, A novel design and facile synthesis of nature inspired poly (dopamine-Cr3+) nanocubes decorated reduced graphene oxide for electrochemical sensing of flibanserin, Microchemical Journal, Elsevier, 164, 106020, 2021
  61. Bandar A.Alyami, Ashraf M .Mahmoud, Saad A. Alkahtani, Mohamed M. El-Wekil, NiFe2O4 nanospheres functionalized with 2-(2, 4-Dihydroxyphenyl)-3, 5, 7-trihydroxychromen-4-one for selective solid-phase microextraction of aluminium, Talanta, Elsevier, 226, 122167, January, 2021
  62. Mater H. Mahnashi, Ashraf M. Mahmoud, Saad A. Alkahtani, and Mohamed M. El-Wekil, Ivermectin detection using Ag@ B, S co-doped reduced graphene oxide nanohybrid. Journal of Alloys and Compounds, 871 (2021) 159627
  63. Mater H. Mahnashi, Ashraf M. Mahmoud, Khalid Alhazzani, A. Z. Alanazi,, Ali M Alaseem, Mohammad M. Algahtani  and Mohamed M. El-Wekil, Ultrasensitive and selective molecularly imprinted electrochemical oxaliplatin sensor based on a novel nitrogen-doped carbon nanotubes/Ag@cu MOF as a signal enhancer and reporter nanohybrid. Microchimica Acta 188 (2021) 731
  64. Mater H Mahnashi, Ashraf M Mahmoud, Khalid Alhazzani, AZ Alanazi, Mohammad M Algahtani, Ali Mohammed Alaseem, Yahya SA Alqahtani, Mohamed M El-Wekil. Enhanced molecular imprinted electrochemical sensing of histamine based on signal reporting nanohybrid. Microchemical Journal, Elsevier, 168, 106439, 2021
  65. Mater H Mahnashi, Samer S Abu-Alrub, Saad A Alahmed, Ashraf M Mahmoud, Ali O Alqarni. BIO MONITORING OF LEAD, ZINC, COPPER, CADMIUM AND IRON HEAVY METALS IN SOIL AND PLANT USING ATOMIC ABSORPTION SPECTROSCOPY IN NAJRAN AREA, SAUDI ARABIA. FRESENIUS ENVIRONMENTAL BULLETIN, 30 (2021) 1868-1872.
  66. Ashraf M. Mahmoud, Mater H Mahnashi, Samer S Abu-Alrub Saad A. Alkahtani, Mohamed M. El-Wekil. Indirect differential pulse voltammetric determination of fluoride ions at carbon paste electrode modified with porous and electroactive Fe3+/Fe2+ based-metal organic frameworks type MIL-101(Fe). Journal of The Electrochemical Society, 168 (2021) 126525.
  67. Ashraf M. Mahmoud, Saad A. Alkahtani, and Mohamed M. El-Wekil, Highly selective and sensitive electrochemical determination of cysteine based on complexation with gold nanoparticle–modifed copper?based metal organic frameworks. Anal Bioanal Chem (2022). Doi. 10.1007/s00216-021-03852-0
  68. Ashraf M. Mahmoud, Mater H Mahnashi, Adel Al Fatease, Mahmoud A.H. Mostafa, Mohamed M. El-Wekil, Ramadan Ali. Fluorometric and electrochemical dual-mode detection of toxic flavonoid rutin based on new nitrogen and sulfur co-doped carbon dots: Enhanced selectivity based on masking the interfering flavonoids with BSA complexation. Journal of Food Composition and Analysis 108(2022) 104428.
  69. Ashraf M. Mahmoud, Saad A. Alkahtani, and Mohamed M. El-Wekil, Electrochemical sensing of copper-chelator D-pencillamine based on complexation with gold nanoparticles modified copper based-metal organic frameworks. Food Composition and Analysis (2022).
  70. Samer S Abu-Alrub. Ashraf M. Mahmoud, Mater H Mahnashi, DEVELOPMENT OF SPECTROFLUOROMETRIC METHOD FOR DETERMINATION OF CARMINE DYE (E120) IN MARKETED JUICES PRODUCTS IN SAUDI ARABIA
  71. Ashraf M. Mahmoud, Mohamed M. El-Wekil, Ramadan Ali, Hany A. Batakoushy, Reem Y. Shahin, Double-signal quantification of amoxicillin based on interaction with 4-aminoantipyrine at copper and nitrogen co-doped carbon quantum dots as an artificial nanozyme. Microchimica Acta 189 (2022) 183
  72. Yahya S. Alqahtani, Ashraf M. Mahmoud, Mohamed M. El-Wekil. Bifunctional nanoprobe for dual-mode detection based on blue emissive iron and nitrogen co-doped carbon dots as a peroxidase-mimic platform. Talanta 253 (2023) 124024
  73. Ashraf M. Mahmoud, Bandar A. Alyami, Mater H Mahnashi, F.M. Alshareef, Yahia S. AlQahtani, Mohamed M. El-Wekil. Facile fabrication of a superior electrochemical sensor with anti-fouling properties for sensitive and selective determination of glutathione. Microchemical Journal, Elsevier, 187 (2023) 108419
  74. Ashraf M. Mahmoud, Mater H Mahnashi, F.M. Alshareef, Mohamed M. El-Wekil. Functionalized vanadium disulfide quantum dots as a novel dual-mode sensor for ultrasensitive and highly selective determination of rutin. Microchemical Journal, Elsevier, 187 (2023) ------

المقررات التدريسية
1- كيمياء تحليلية صيدلية-1       213 كمص
2- كيمياء تحليلية صيدلية-2      314 كمص
3- تحليل ألى صيدلى                     519 كمص
4- كيمياء عضوية صيدلية-2   212 كمص

الساعات المكتبية

الوصف

  8-9 9-10 10-11 11-12 12-1 1-2
الأحد
Sunday		  
كيمياء عضوية صيدلية-2 بنين 212 كمص
كيمياء تحليلية صيدلية-1 بنين 213 كمص
 ساعة مكتبية    
الاثنين
Monday
إجتماع القسم الأسبوعى 
ساعة مكتبية
كيمياء تحليلية صيدلية-1 بنات    213 كمص
 كيمياء تحليلية صيدلية-1 بنات    213 كمص   تحليل ألى صيدلي بنين   519 كمص
الثلاثاء
Tuesday		  
كيمياء عضوية صيدلية-2 بنين 212 كمص
كيمياء تحليلية صيدلية-1 بنين 213 كمص.
      
الأربعاء
Wednesday
إجتماع المجموعة البحثية
ساعة مكتبية
ساعة مكتبية
 َإجتماع للجودة   تحليل ألى صيدلي بنين   519 كمص
الخميس
Thursday