| Chromatographic approaches for the characterization and quality control of therapeutic oligonucleotide impurities NM El Zahar, N Magdy, AM El‐Kosasy, MG Bartlett Biomedical Chromatography 32 (1), e4088, 2018 | 60 | 2018 |
| Alkylamine ion-pairing reagents and the chromatographic separation of oligonucleotides N Li, NM El Zahar, JG Saad, ERE van der Hage, MG Bartlett Journal of Chromatography A 1580, 110-119, 2018 | 53 | 2018 |
| Spectrophotometric and chemometric methods for determination of imipenem, ciprofloxacin hydrochloride, dexamethasone sodium phosphate, paracetamol and cilastatin sodium in … AM El-Kosasy, O Abdel-Aziz, N Magdy, NM El Zahar Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 157, 26-33, 2016 | 35 | 2016 |
| Degradation product characterization of therapeutic oligonucleotides using liquid chromatography mass spectrometry NM Elzahar, N Magdy, AM El-Kosasy, MG Bartlett Analytical and bioanalytical chemistry 410 (14), 3375-3384, 2018 | 30 | 2018 |
| Bioanalysis and biotransformation of oligonucleotide therapeutics by liquid Chromatography‐Mass spectrometry JM Sutton, J Kim, NM El Zahar, MG Bartlett Mass Spectrometry Reviews 40 (4), 334-358, 2021 | 29 | 2021 |
| Novel spectroscopic methods for determination of Cromolyn sodium and Oxymetazoline hydrochloride in binary mixture O Abdel-Aziz, AM El-Kosasy, N Magdy, NM El Zahar Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 131, 59-66, 2014 | 26 | 2014 |
| Development and validation of molnupiravir assessment in bulk powder and pharmaceutical formulation by the RP-HPLC-UV method AM Annadi, NM El Zahar, NEDA Abdel-Sattar, EH Mohamed, ... RSC advances 12 (53), 34512-34519, 2022 | 18 | 2022 |
| In vitro metabolism of 2′‐ribose unmodified and modified phosphorothioate oligonucleotide therapeutics using liquid chromatography mass spectrometry J Kim, NM El Zahar, MG Bartlett Biomedical Chromatography 34 (7), e4839, 2020 | 16 | 2020 |
| Oligonucleotide anion adduct formation using negative ion electrospray ion-mobility mass spectrometry JM Sutton, NM El Zahar, MG Bartlett Journal of the American Society for Mass Spectrometry 32 (2), 497-508, 2021 | 12 | 2021 |
| Screening and optimization of the reaction of polymyxin B sulphate with NBD-Cl for the synchronous spectrofluorimetric determination of polymyxin B sulphate in human plasma AM El-Kosasy, O Abdel-Aziz, N Magdy, NM El Zahar Journal of Fluorescence 25, 695-705, 2015 | 12 | 2015 |
| Economic spectrofluorometric bioanalysis of empagliflozin in rats’ plasma B Ayoub, N El Zahar, H Michel, M Tadros Journal of Analytical Methods in Chemistry 2021 (1), 9983477, 2021 | 11 | 2021 |
| Simultaneous determination of Avanafil and Dapoxetine in human plasma using liquid chromatography/tandem mass spectrometry (LC-MS/MS) based on a protein precipitation technique MN Abou-Omar, AM Annadi, NM El Zahar, AO Youssef, MA Amin, ... RSC advances 11 (47), 29797-29806, 2021 | 7 | 2021 |
| Development of advanced chemometric-assisted spectrophotometric methods for the determination of cromolyn sodium and its alkaline degradation products NM El Zahar, MM Tadros, BM Ayoub Molecules 25 (24), 5953, 2020 | 7 | 2020 |
| Comparative Study of Different Potentiometric Ion-Selective Electrodes for Determination of Certain Polyionic Drugs AM El-Kosasy, O Abdel-Aziz, N Magdy, NM El Zahar International Journal of Electrochemical Science 11 (5), 3738-3754, 2016 | 6 | 2016 |
| Simultaneous quantification of a neoadjuvant treatment used in locally advanced breast cancer using an eco-friendly UPLC-MS/MS method: A pharmacokinetic study in rat plasma NF El Azab, FA Binjubair, ST Al-Rashood, S Okeil, NM El Zahar Separations 9 (12), 403, 2022 | 3 | 2022 |
| Assessment of brain‐to‐blood drug distribution using liquid chromatography NM El Zahar, JM Sutton, MG Bartlett Biomedical Chromatography 35 (7), e5123, 2021 | 3 | 2021 |
| Greenness and whiteness evaluated triple divisor-continuous wavelet transform spectrophotometric and advanced chemometric methods for the simultaneous determination of four … M Gamil, NM El Zahar, N Magdy, AM El-Kosasy Sustainable Chemistry and Pharmacy 36, 101284, 2023 | 2 | 2023 |
| Green, bioanalytically validated chromatographic method for the determination and quantification of photoinitiators in saliva in contact with baby bibs, teethers and pacifiers M Gamil, NM El Zahar, N Magdy, AM El-Kosasy Microchemical Journal 181, 107841, 2022 | 2 | 2022 |
| Enhanced extraction technique of omarigliptin from human plasma—Applied to biological samples from healthy human volunteers S Mowaka, N Ashoush, M Tadros, N El Zahar, B Ayoub Molecules 25 (18), 4232, 2020 | 2 | 2020 |
| Simultaneous determination of tianeptine and its active metabolite tianeptine MC5 in rat plasma and brain tissue using high performance liquid chromatography/electrospray … NM El Zahar, N Magdy, AM El-Kosasy, WD Beck, PM Callahan, AV Terry, ... Analytical methods 10 (4), 439-447, 2018 | 2 | 2018 |
