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Assistant Professor Dr. / Mahmoud Abdallah El-Tantawy Abdallah Omar
Pharmaceutical Analytical Chemistry
mahmoud.eltantawy@pharma.cu.edu.eg

Latest List of Publications

• Mahmoud A. Tantawy, Nagiba Y Hassan, Nariman A. Elragehy, Mohamed Abdelkawy, Simultaneous determination of olanzapine and fluoxetine hydrochloride in capsules by spectrophotometry, TLC-spectrodensitometry and HPLC, Journal of Advanced Research (2013) 4, 173-180.
• Nariman A. El-Ragehy, Nagiba Y. Hassan, Mohamed Abdelkawy, Mahmoud A. Tantawy, Stability-indicating chromatographic methods for the determination of sertindole, Journal of Chromatographic Science (2014) 52, 559-565.
• Mahmoud A. Tantawy, Nariman A. Elragehy, Nagiba Y Hassan, Mohamed Abdelkawy, Stability-indicating spectrophotometric methods for determination of the anticoagulant drug apixaban in the presence of its hydrolytic degradation product, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy (2016) 159, 13-20.
• Nariman A. El-Ragehy, Nagiba Y. Hassan, Mahmoud A. Tantawy, Mohamed Abdelkawy, Stability‐indicating chromatographic methods for determination of flecainide acetate in the presence of its degradation products; isolation and identification of two of its impurities, Biomedical Chromatography (2016) 30, 1541-1548.
• Nariman A. El-Ragehy, Nagiba Y. Hassan, Mahmoud A. Tanatwy, Mohamed Abdelkawy, Simultaneous determination of aspirin, dipyridamole and two of their related impurities in capsules by validated TLC-densitometric and HPLC methods, Journal of Chromatographic Science (2016) 54, 1120-1128.
• Nariman A. El-Ragehy, Ali M. Yehia, Nagiba Y. Hassan, Mahmoud A. Tantawy, Mohamed Abdelkawy, Chemometrics tools in detection and quantitation of main impurities present in aspirin/dipyridamole extended-release capsules, Journal of AOAC INTERNATIONAL (2016) 99, 948-956.
• Mahmoud A. Tantawy, Adel M. Michael, Artificial neural networks versus partial least squares and multivariate resolution-alternating least squares approaches for the assay of ascorbic acid, rutin, and hesperidin in an antioxidant formulation, Spectroscopy Letters (2019) 52, 339-345.
• Mahmoud A. Tantawy, Ali M. Yehia, Hassan Y. Aboul-Enein, Simultaneous determination of guaifenesin enantiomers and ambroxol HCl using 50‐mm chiral column for a negligible environmental impact, Chirality (2019) 31, 835-844.
• Mahmoud A. Tantawy, Soheir Alweshahy, Dalia A. Elshabasy, Nadia F. Youssef, Simultaneous Determination of Co-administrated Deflazacort, Aprepitant and Granisetron in Dosage Forms and Spiked Human Plasma by RP-HPLC/PAD, Journal of Chromatographic Science (2019) 57, 790-798.
• Mamdouh R. Rezk, Mahmoud A. Tantawy, Mina Wadie, Soheir A. Weshahy, Smart spectrophotometric assessment of tamsulosin hydrochloride and tadalafil in their new pharmaceutical formulation for treatment of benign prostatic hyperplasia and erectile dysfunction, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy (2020) 227, 117547.
• Ali M. Yehia, Mohamed A. Farag, Mahmoud A. Tantawy, A novel trimodal system on a paper-based microfluidic device for on-site detection of the date rape drug "ketamine", Analytica Chimica Acta (2020) 1104, 95-104.
• Mahmoud A. Tantawy, Soheir Alweshahy, Dalia A. Elshabasy, Nadia F. Youssef, Butyl-based reversed-phase high-performance liquid chromatography and silica normal-phase high-performance thin-layer chromatography methods for the determination of palonosetron in the presence of degradation products and dosage form additives, Journal of Planar Chromatography - Modern TLC (2020) 33, 149-160.
• Ali M. Yehia, Ahmed S. Saad, Mahmoud A. Tantawy, USB multiplex analyzer employing screen-printed silver electrodes on paper substrate; A developed design for dissolution testing, Journal of Pharmaceutical and Biomedical Analysis (2020) 186, 113272.
• Mahmoud A. Tantawy, Soheir A. Weshahy, Mina Wadie, Mamdouh R. Rezk, Novel HPTLC densitometric methods for determination of tamsulosin HCl and tadalafil in their newly formulated dosage form; Comparative study and green profile assessment, Biomedical Chromatography (2020) 34, e4850.
• Mahmoud A. Tantawy, Mohamed A. Farag, Ali M. Yehia, A gold–carbon dots nanoprobe for dual mode detection of ketamine HCl in soda drinks, New Journal of Chemistry (2020) 44, 7058-7064.
• Mahmoud A. Tantawy, Soheir A. Weshahy, Mina Wadie, Mamdouh R. Rezk, Stability-indicating HPTLC method for the simultaneous detection and quantification of alfuzosin hydrochloride, solifenacin succinate along with four of their official impurities, Microchemical Journal (2020) 157, 104905.
• Mahmoud A. Tantawy, Soheir A. Weshahy, Mina Wadie, Mamdouh R. Rezk, A novel HPLC-DAD method for simultaneous determination of alfuzosin and solifenacin along with their official impurities induced via a stress stability study; investigation of their degradation kinetics, Analytical Methods (2020) 12, 3368-3375.
• Mahmoud A. Tantawy, Soheir A. Weshahy, Mina Wadie, Mamdouh R. Rezk, Eco-friendly spectrophotometric methods for assessment of alfuzosin and solifenacin in their new pharmaceutical formulation; Green profile evaluation via eco-scale and GAPI tools, Current Pharmaceutical Analysis (2020) 17, 1093-1103.
• Mamdouh R. Rezk, Ezzat M. Abdel‐Moety, Mina Wadie, Mahmoud A. Tantawy, Stability assessment of tamsulosin and tadalafil co‐formulated in capsules by two validated chromatographic methods, Journal of Separation Science (2021) 44, 530-538.
• Ezzat M. Abdel-Moety, Mamdouh R. Rezk, Mina Wadie, Mahmoud A. Tantawy, A combined approach of green chemistry and Quality-by-Design for sustainable and robust analysis of two newly introduced pharmaceutical formulations treating benign prostate hyperplasia, Microchemical Journal (2021) 160 Part B, 105711.
• Mahmoud A Tantawy, Amal M Hassan, Maha A Hegazy, Khadiga M Kelani, Quality and Stability Profile Assessment of the Recent Antidiabetic Omarigliptin by Using Different Chromatographic Methods, Journal of Chromatographic Science (2021) In press.
• Khadiga M Kelani, Maha A Hegazy, Amal M Hassan, Mahmoud A Tantawy, Determination of naphazoline HCl, pheniramine maleate and their official impurities in eye drops and biological fluid rabbit aqueous humor by a validated LC-DAD method, RSC Advances (2021) 11, 7051-7058.
• Mina Wadie, Ezzat M. Abdel-Moety, Mamdouh R. Rezk, Mahmoud A. Tantawy, Eco-friendly chiral HPLC method for determination of alfuzosin enantiomers and solifenacin in their newly pharmaceutical combination: Method optimization via central composite design, Microchemical Journal (2021) 165, 106095.
• Mahmoud A. Tantawy, Israa A Wahba, Samah S. Saad, Nesrin K. Ramadan, Stability-Indicating Chromatographic Methods for the Simultaneous Determination of Probenecid and Colchicine in Their Combined Tablet, Journal of Chromatographic Science (2021) In press.
• Mahmoud A. Tantawy, Haitham A. El Fiky, Amr M. Badawey, Maha F. Abd El Ghany, Nermine V. Fares, A Novel Glassy Carbon Electrode Modified with Multi-Walled Carbon Nanotubes for Potentiometric Xipamide Determination, Journal of The Electrochemical Society (2021) 168, 056506.
• Mahmoud A. Tantawy, Ekram H. Mohamed, Ali A. Yehia, All solid-state miniaturized potentiometric sensors for flunitrazepam determination in beverages, Microchimica Acta (2021) 188, 192.
• Mahmoud A. Tantawy, Israa A Wahba, Samah S. Saad, Nesrin K. Ramadan, Two Validated Chromatographic Methods for Determination of Ciprofloxacin HCl, One of its Specified Impurities and Fluocinolone Acetonide in Newly Approved Otic Solution, Journal of Chromatographic Science (2021) In press.
• Mina Wadie, Hoda M. Marzouk, Mamdouh R. Rezk, Ezzat M. Abdel-Moety, Mahmoud A. Tantawy, A sensing platform of molecular imprinted polymer-based polyaniline/carbon paste electrodes for simultaneous potentiometric determination of alfuzosin and solifenacin in binary co-formulation and spiked plasma, Analytica Chimica Acta (2022) 1200, 339599.
• Reham A. Fekry, Khadiga M. Kelani, Yasmin M. Fayez, Mahmoud A. Tantawy, Comparative validated chromatographic methods for the simultaneous determination of caffeine, codeine, paracetamol along with the related compound "p‑aminophenol" in tablets, JPC – Journal of Planar Chromatography – Modern TLC (2022) 35, 51–59.
• Khadiga M. Kelani, Maha A. Hegazy, Amal M. Hassan, Mahmoud A. Tantawy, Univariate versus multivariate spectrophotometric methods for the simultaneous determination of omarigliptin and two of its degradation products, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy (2022) 271, 120880.
• Mahmoud A Tantawy, Israa A Wahba, Samah S Saad, Nesrin K Ramadan, Smart spectrophotometric methods for stability assessment of two co-formulated antigout drugs, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy (2022) 273, 121062.
• Khadiga M. Kelani, Maha A. Hegazy, Amal M. Hassan, Mahmoud A. Tantawy, A green TLC densitometric method for the simultaneous detection and quantification of naphazoline HCl, pheniramine maleate along with three official impurities, BMC Chemistry (2022) 16, 24.
• Khadiga M. Kelani, Maha A. Hegazy, Amal M. Hassan, Mahmoud A. Tantawy, A new comparative potentiometric method for analysis of omarigliptin using three different sensors, Electroanalysis (2022) In press.
• Mahmoud A Tantawy, Shaaban A. Abdulla, Ola Y. Mohamed, Amal M. Abou Al-Alamein, Normal-phase TLC and gradient reversed-phase HPLC for the simultaneous determination of enrofloxacin and bromhexine HCl in presence of two of their official impurities, Journal of Chromatographic Science (2022) Accepted.
• Mahmoud A. Tantawy, Dalia A. Elshabasy, Nadia F. Youssef, Sawsan M. Amer, Stability indicating potentiometric method for the determination of palonosetron HCl using two different sensors, scientific reports (2022) 12, 12966.
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