| Investigation of endogenous blood plasma phospholipids, cholesterol and glycerides that contribute to matrix effects in bioanalysis by liquid chromatography/mass spectrometry OA Ismaiel, T Zhang, RG Jenkins, HT Karnes Journal of Chromatography B 878 (31), 3303-3316, 2010 | 167 | 2010 |
| Monitoring phospholipids for assessment of ion enhancement and ion suppression in ESI and APCI LC/MS/MS for chlorpheniramine in human plasma and the importance of multiple … OA Ismaiel, MS Halquist, MY Elmamly, A Shalaby, HT Karnes Journal of Chromatography B 875 (2), 333-343, 2008 | 159 | 2008 |
| Monitoring phospholipids for assessment of matrix effects in a liquid chromatography–tandem mass spectrometry method for hydrocodone and pseudoephedrine in human plasma OA Ismaiel, MS Halquist, MY Elmamly, A Shalaby, HT Karnes Journal of Chromatography B 859 (1), 84-93, 2007 | 105 | 2007 |
| Determination of octreotide and assessment of matrix effects in human plasma using ultra high performance liquid chromatography–tandem mass spectrometry OA Ismaiel, T Zhang, R Jenkins, HT Karnes Journal of Chromatography B 879 (22), 2081-2088, 2011 | 47 | 2011 |
| Green analytical chemistry: Opportunities for pharmaceutical quality control AB Eldin, OA Ismaiel, WE Hassan, AA Shalaby Journal of Analytical Chemistry 71, 861-871, 2016 | 42 | 2016 |
| Development and validation of a spectrophotometric method for the determination of tramadol in human urine using liquid-liquid extraction and ion pair formation OA Ismaiel, MM Hosny Int J Instrum Sci 1 (3), 34-40, 2012 | 24 | 2012 |
| Investigation of endogenous blood lipids components that contribute to matrix effects in dried blood spot samples by liquid chromatography‐tandem mass spectrometry OA Ismaiel, RG Jenkins, H Thomas Karnes Drug Testing and Analysis 5 (8), 710-715, 2013 | 19 | 2013 |
| Determination of atenolol and trimetazidine in pharmaceutical tablets and human urine using a high performance liquid chromatography-photo diode array detection method W El-Alfy, OA Ismaiel, MY El-Mammli, A Shalaby International journal of analytical chemistry 2019, 2019 | 18 | 2019 |
| Cell-type specific differences in antiretroviral penetration and the effects of HIV-1 Tat and morphine among primary human brain endothelial cells, astrocytes, pericytes, and … SH Patel, OA Ismaiel, WR Mylott Jr, M Yuan, JL McClay, JJ Paris, ... Neuroscience letters 712, 134475, 2019 | 17 | 2019 |
| Multifaceted bioanalytical methods for the comprehensive pharmacokinetic and catabolic assessment of MEDI3726, an anti-prostate-specific membrane antigen pyrrolobenzodiazepine … Y Huang, CJ Del Nagro, K Balic, WR Mylott Jr, OA Ismaiel, E Ma, M Faria, ... Analytical Chemistry 92 (16), 11135-11144, 2020 | 16 | 2020 |
| Determination of estragole in pharmaceutical products, herbal teas and herbal extracts using GC-FID OA Ismaiel, E Abdelghani, H Mousa, SI Eldahmy, BE Bayoumy Journal of Applied Pharmaceutical Science 6 (12), 144-150, 2016 | 15 | 2016 |
| Effect of paroxetine or quetiapine combined with oxycodone vs oxycodone alone on ventilation during hypercapnia: a randomized clinical trial J Florian, R van der Schrier, V Gershuny, MC Davis, C Wang, X Han, ... Jama 328 (14), 1405-1414, 2022 | 14 | 2022 |
| Simultaneous determination of intracellular concentrations of tenofovir, emtricitabine, and dolutegravir in human brain microvascular endothelial cells using liquid … SH Patel, OA Ismaiel, WR Mylott Jr, M Yuan, KF Hauser, MP McRae Analytica chimica acta 1056, 79-87, 2019 | 14 | 2019 |
| Assessment of matrix effects and determination of niacin in human plasma using liquid–liquid extraction and liquid chromatography–tandem mass spectrometry MC Peoples, MS Halquist, O Ismaiel, MY El‐Mammli, A Shalaby, ... Biomedical Chromatography 22 (11), 1272-1278, 2008 | 14 | 2008 |
| New science, drug regulation, and emergent public health issues: The work of FDA’s division of applied regulatory science K Chiu, R Racz, K Burkhart, J Florian, K Ford, M Iveth Garcia, RM Geiger, ... Frontiers in Medicine 9, 1109541, 2023 | 9 | 2023 |
| Multiplex hybrid antigen-capture LC-MRM quantification in sera and nasal lining fluid of AZD7442, a SARS-CoV-2-targeting antibody combination R Mu, Y Huang, J Bouquet, J Yuan, RJ Kubiak, E Ma, S Naser, ... Analytical Chemistry 94 (43), 14835-14845, 2022 | 9 | 2022 |
| Hybrid ligand binding immunoaffinity-liquid chromatography/mass spectrometry for biotherapeutics and biomarker quantitation: how to develop a hybrid LBA-LC-MS/MS method for a … M Yuan, OA Ismaiel, WRJ Mylott Rev. Separation Sci 1 (1), 47-55, 2019 | 9 | 2019 |
| Development and validation of stability indicating green HPLC-UV method for determination of cephalexin in pharmaceutical dosage forms and human urine using micellar mobile phase AB Eldin, OA Ismaiel, W Hassan, A Shalaby International Journal of Pharmacy and Pharmaceutical Sciences 7 (9), 122-127, 2015 | 8 | 2015 |
| DEVELOPMENT AND VALIDATION OF A STABILITY–INDICATING HPLC-UV METHOD FOR THE DETERMINATION OF PIOGLITAZONE HYDROCHLORIDE AND METFORMIN HYDROCHLORIDE IN BULK DRUG AND COMBINED … H Elrefay, O Ismaiel, W s Hassan, A Shalaby Asian Journal of Pharmaceutical and Clinical Research, 116-120, 2013 | 8 | 2013 |
| A Validated Stability-Indicating RP-HPLC with photodiode array detector method for the determination of Pipazethate Hydrochloride in bulk drug and Pharmaceutical formulations MMHA Abdelmoniem Asian Journal of Pharmaceutical and Clinical Research 5, 215-219, 2012 | 8 | 2012 |
