Sameh A. Ahmed

发表

Fabric phase sorptive extraction coupled with UPLC-ESI-MS/MS method for fast and sensitive quantitation of tadalafil in a bioequivalence study

Abdulmalik Alqurshi, Ali M Alalawi, Y. Alahmadi, 2022, Saudi pharmaceutical journal : SPJ : the official publication of the Saudi Pharmaceutical Society.

A Validated High-Throughput Fluorometric Method for Determination of Omeprazole in Quality Control Laboratory via Charge Transfer Sensitized Fluorescence

A. Mahmoud, Sameh A. Ahmed, 2016, Journal of Fluorescence.

A validated spectrofluorimetric method for determination of some psychoactive drugs.

F. Mohamed, H. Mohamed, S. Hussein, 2005, Journal of pharmaceutical and biomedical analysis.

Reactive oxygen and nitrogen species in patients with rheumatoid arthritis as potential biomarkers for disease activity and the role of antioxidants.

Hani M. J. Khojah, M. Abdel-Rahman, Al-Badr Hamza, 2016, Free radical biology & medicine.

Fast and efficient zirconia‐based reversed phase chromatography for selective determination of triptans in rat plasma

N. N. Atia, Sameh A. Ahmed, 2017, Journal of pharmaceutical and biomedical analysis.

Rapid and Sensitive Online Determination of Some Selective α1-Blockers by Flow Injection Analysis with Micelle-Enhanced Fluorescence Detection

N. Mohamed, Sameh A. Ahmed, Sally A. El Zohny, 2013, Journal of Fluorescence.

An ultrasensitive and highly selective determination method for quinones by high-performance liquid chromatography with photochemically initiated luminol chemiluminescence.

Naoya Kishikawa, Kenichiro Nakashima, N. Kishikawa, 2009, Journal of chromatography. A.

A novel salting-out assisted extraction coupled with HPLC- fluorescence detection for trace determination of vitamin K homologues in human plasma.

A. Mahmoud, Sameh A. Ahmed, 2015, Talanta.

Selective determination of doxorubicin and doxorubicinol in rat plasma by HPLC with photosensitization reaction followed by chemiluminescence detection.

N. Kishikawa, N. Kuroda, K. Ohyama, 2009, Talanta.

Selective determination of quinones by high-performance liquid chromatography with on-line post column ultraviolet irradiation and peroxyoxalate chemiluminescence detection.

N. Kishikawa, N. Kuroda, Sameh Ahmed, 2006, Journal of chromatography. A.

Rapid and Sensitive Online Determination of Some Selective α1-Blockers by Flow Injection Analysis with Micelle-Enhanced Fluorescence Detection

N. Mohamed, Sameh A. Ahmed, Sally A. El Zohny, 2013, Journal of Fluorescence.

A sensitive and reliable method for therapeutic monitoring of α1-blockers in rabbit plasma by ion-pair chromatography with enhanced fluorescence detection

N. Mohamed, Sameh A. Ahmed, Sally A. El Zohny, 2015 .

A Specific High-Performance Thin-Layer Chromatography with Fluorescence Detection for the Determination of Some α1-Blockers

N. Mohamed, Sameh A. Ahmed, Sally A. El Zohny, 2015 .

Simultaneous determination of montelukast as sparing therapy with some inhaled corticosteroids in plasma of asthmatic patients.

N. N. Atia, S. Ahmed, Sameh A. Ahmed, 2013, Journal of pharmaceutical and biomedical analysis.

Controlled microwave derivatization reaction for reproducible trace analysis of budesonide in human plasma.

N. N. Atia, S. Ahmed, Sameh A. Ahmed, 2019, Analytica chimica acta.

Simultaneous determination of triple therapy for Helicobacter pylori in human plasma by reversed phase chromatography with online wavelength switching.

N. N. Atia, Sameh A. Ahmed, 2015, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Resveratrol as an effective adjuvant therapy in the management of rheumatoid arthritis: a clinical study

Hani M. J. Khojah, Sameh Ahmed, M. Abdel-Rahman, 2018, Clinical Rheumatology.

Tadalafil-Loaded Self-Nanoemulsifying Chewable Tablets for Improved Bioavailability: Design, In Vitro, and In Vivo Testing

Abdulmalik Alqurshi, Ali M Alalawi, Y. Alahmadi, 2022, Pharmaceutics.

New Salting Out Stability-Indicating and Kinetic Thin Layer Chromatographic Method for Determination of Glimepiride and Metformin HCl Binary Mixture.

F. Mohamed, A. Mohamed, Sameh A. Ahmed, 2015, Journal of chromatographic science.

An ultrasensitive UHPLC-ESI-MS/MS method augmented with a controlled microwave derivatization reaction for quantitation of vitamin D3 and its major metabolites in COVID-19 patients

Hani M. J. Khojah, Sameh Ahmed, S. S. Al-Thagfan, 2022, Talanta.

Boosting Tadalafil Bioavailability via Sono-Assisted Nano-Emulsion-Based Oral Jellies: Box–Behnken Optimization and Assessment

Ali M Alalawi, Y. Alahmadi, A. Shehata, 2022, Pharmaceutics.

An efficient hydrophilic interaction liquid chromatographic method for the simultaneous determination of metformin and pioglitazone using high-purity silica column.

F. Mohamed, A. Mohamed, Sameh A. Ahmed, 2015, Journal of chromatography. B, Analytical technologies in the biomedical and life sciences.

New and selective HPTLC—Densitometric method for determination of pioglitazone hydrochloride

F. Mohamed, A. Mohamed, Sameh A. Ahmed, 2013, JPC – Journal of Planar Chromatography – Modern TLC.

Determination of vitamin K homologues by high-performance liquid chromatography with on-line photoreactor and peroxyoxalate chemiluminescence detection.

N. Kishikawa, N. Kuroda, Sameh Ahmed, 2007, Analytica chimica acta.

Selectivity enhanced cation exchange chromatography for simultaneous determination of peptide variants.

Sameh Ahmed, N. N. Atia, Azza H. Rageh, 2019, Talanta.

A VALIDATED HIGH-THROUGHPUT CHROMATOGRAPHIC METHOD FOR SIMULTANEOUS DETERMINATION OF VITAMIN K HOMOLOGUES

N. N. Atia, Sameh A. Ahmed, 2012 .

Comparative assessment of individual RONS in serum of smokers compared with non-smokers and their correlation with the lipid profile and antioxidant status

Hani M. J. Khojah, Sameh Ahmed, Sameh A. Ahmed, 2019, The Journal of international medical research.

Highly sensitive and selective high-performance liquid chromatography method for bioequivalence study of cefpodoxime proxetil in rabbit plasma via fluorescence labeling of its active metabolite.

H. Abdel-Wadood, N. Mohamed, Sameh A. Ahmed, 2013, Journal of chromatography. B, Analytical technologies in the biomedical and life sciences.

An efficient one-pot reaction for selective fluorimetric determination of cefpodoxime and its prodrug.

H. Abdel-Wadood, N. Mohamed, Sameh A. Ahmed, 2011, Talanta.

Development of a Validated Comparative Stability-Indicating Assay Method for Some H2-Receptor Antagonists.

N. Mohamed, Sameh A. Ahmed, S. Farrag, 2017, Journal of chromatographic science.

An Efficient Ion-Pair Liquid Chromatographic Method for the Determination of Some H2 Receptor Antagonists.

N. Mohamed, Sameh A. Ahmed, S. Farrag, 2015, Journal of chromatographic science.

Development of a chromatographic method with multi-criteria decision making design for simultaneous determination of nifedipine and atenolol in content uniformity testing.

A. Mohamed, Sameh A. Ahmed, Abdulmalik A Alqurshi, 2018, Talanta.

Dansyl azide as a selective fluorescence tagging probe for click chemistry reactions and its application to monitor rasagiline in pharmacokinetic studies

N. Abdallah, S. Ahmed, Sameh A. Ahmed, 2019, Journal of pharmaceutical and biomedical analysis.

Vitamin K homologs as potential biomarkers for disease activity in patients with rheumatoid arthritis

Hani M. J. Khojah, Sameh Ahmed, M. Abdel-Rahman, 2017, Journal of Bone and Mineral Metabolism.

Selective chemiluminescence method for monitoring of vitamin K homologues in rheumatoid arthritis patients.

N. Kishikawa, N. Kuroda, Sameh Ahmed, 2011, Talanta.

Treatment of aqueous selenocyanate (SeCN-) using combined TiO2 photocatalysis and 2-line ferrihydrite adsorption

M. Vohra, Sameh A. Ahmed, 2021 .

The Impact of Serum Levels of Vitamin D3 and Its Metabolites on the Prognosis and Disease Severity of COVID-19

Hani M. J. Khojah, Y. Alahmadi, S. S. Al-Thagfan, 2022, Nutrients.

The Impact of Serum Levels of Reactive Oxygen and Nitrogen Species on the Disease Severity of COVID-19

Y. Alahmadi, Sameh A. Ahmed, Yasser A Abdou, 2023, International journal of molecular sciences.

Studies on styrene concentration in drinking water and hot beverages in some settings

Sameh Ahmed, N. Rezk, S. Eweda, 2018 .

Menaquinone-7 as a novel pharmacological therapy in the treatment of rheumatoid arthritis: A clinical study.

Sameh Ahmed, M. Abdel-Rahman, E. Alkady, 2015, European journal of pharmacology.

Comparative evaluation of caffeine content in Arabian coffee with other caffeine beverages

M. Iqbal, Sameh Ahmed, N. Rezk, 2018 .

Ultrasound assisted dispersive liquid-liquid microextraction coupled with high performance liquid chromatography designated for bioavailability studies of felodipine combinations in rat plasma.

N. N. Atia, Sameh A. Ahmed, Marwa Fathy Bakr Ali, 2017, Journal of chromatography. B, Analytical technologies in the biomedical and life sciences.

Selective determination of doxorubicin and doxorubicinol in rat plasma by HPLC with photosensitization reaction followed by chemiluminescence detection.

N. Kishikawa, N. Kuroda, K. Ohyama, 2009, Talanta.