Publications by authors named "Samy Emara"

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A New Segmented Gradient HPLC-DAD and Spectra Index Plots for Measuring Caffeine and Chlorogenic Acid in Dark and Green Coffees.
Rania F Abou El-Ezz, Khaled Meselhy, Samy Emara, Asmaa Ibrahim

ACS Omega· November 2025

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Luminescent Carbon Dots From Biomass Waste for the Sensitive Determination of Ascorbic Acid in Tablet Dosage Forms.
Nehal Mohamed, Mahmoud Hamed, Fotouh R Mansour, Walaa Zarad, Samy Emara

Luminescence· January 2025

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Garlic peel-based carbon quantum dots as a sustainable alternative for the sensitive and green spectrofluorometric quantification of molnupiravir in pharmaceutical capsules.
Yomna A Saber, Mahmoud Hamed, Samy Emara, Fotouh R Mansour, Marcello Locatelli

Heliyon· December 2024

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Rapid back flushed direct sample injection bio-analytical HPLC-UV method for therapeutic drug monitoring of terbinafine.
Heba El-Gendy, Walaa Zarad, Lamyaa Bazan, Ahmed Ali, Yasmine Aboulella, Samy Emara

Anal Biochem· December 2022

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Bio-analytical liquid chromatographic-based method with a mixed mode online solid phase extraction for drug monitoring of fluconazole in human serum.
Walaa Zarad, Heba El-Gendy, Lamyaa Bazan, Ahmed Ali, Yasmine Aboulella, Samy Emara

J Chromatogr B Analyt Technol Biomed Life Sci· December 2021

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Direct infusion nano-electrospray ionization mass spectrometry for therapeutic drug monitoring of ciprofloxacin and its metabolites in human saliva.
Menna El Demeiry, Ahmed Ali, Yasmine Abouleila, Walaa Zarad, Heba El-Gendy, Samy Emara

J Pharm Biomed Anal· February 2021

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Dilute-and-shoot-based direct nano-electrospray ionization tandem mass spectrometry as screening methodology for multivitamins in dietary supplement and human urine.
Sara Amer, Walaa Zarad, Heba El-Gendy, Randa Abdel-Salam, Ghada Hadad, Samy Emara

J Adv Res· November 2020

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Integration of Solid-Phase Extraction and Reversed-Phase Chromatography in Single Protein-Coated Columns for Direct Injection of Bupivacaine in Human Serum.
Walaa Zarad, Heba El-Gendy, Ahmed Ali, Yasmine Aboulella, Samy Emara

J Chromatogr Sci· June 2020

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Direct nano-electrospray ionization tandem mass spectrometry for the quantification and identification of metronidazole in its dosage form and human urine.
Sara Amer, Walaa Zarad, Heba El-Gendy, Randa Abdel-Salam, Ghada Hadad, Samy Emara

R Soc Open Sci· November 2019

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Sensitivity Enhancement for Direct Injection Capillary Electrophoresis to Determine Morphine in Human Serum via In-capillary Derivatization.
Samy Emara, Walaa Zarad, Maha Kamal, Ahmed Ali, Yasmine Aboulella

J Chromatogr Sci· February 2019

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Single-Cell Metabolomics.
Samy Emara, Sara Amer, Ahmed Ali, Yasmine Abouleila, April Oga

Adv Exp Med Biol· September 2017

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Quantitative Live Single-cell Mass Spectrometry with Spatial Evaluation by Three-Dimensional Holographic and Tomographic Laser Microscopy.
Ahmed Ali, Yasmine Abouleila, Sara Amer, Rie Furushima, Samy Emara

Anal Sci· November 2016

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Direct Lipido-Metabolomics of Single Floating Cells for Analysis of Circulating Tumor Cells by Live Single-cell Mass Spectrometry.
Eiso Hiyama, Ahmed Ali, Sara Amer, Takanori Harada, Kazumi Shimamoto, Samy Emara

Anal Sci· October 2016

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An Eco-Friendly Direct Injection HPLC Method for Methyldopa Determination in Serum by Mixed-Mode Chromatography Using a Single Protein-Coated Column.
Samy Emara, Tsutomu Masujima, Walaa Zarad, Maha Kamal, Marwa Fouad

J Chromatogr Sci· September 2015

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Field-amplified sample stacking β-cyclodextrin modified capillary electrophoresis for quantitative determination of diastereomeric saponins.
Samy Emara, Tsutomu Masujima, Walaa Zarad, Khaled Mohamed, Maha Kamal

J Chromatogr Sci· July 2015

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Online pre-column derivatization with chromatographic separation to determine folic acid.
Samy Emara, Tsutomu Masujima, Walaa Zarad, Maha Kamal, Ramzia Ei-Bagary

J Chromatogr Sci· July 2013

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On-line coupling of derivatization with pre-concentration to determine trace levels of methotrexate.
Samy Emara, Tsutomu Masujima, Walaa Zarad, Maha Kamal, Ramzia El-Bagary

J Pharm Anal· February 2013

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On-line solid-phase enrichment coupled to packed reactor flow injection analysis in a green analytical procedure to determine low levels of folic acid using fluorescence detection.
Samy Emara, Tsutomu Masujima, Walaa Zarad, Maha Kamal, Ramzia El-Bagary

Chem Cent J· December 2012

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Validated and optimized high-performance liquid chromatographic determination of tizoxanide, the main active metabolite of nitazoxanide in human urine, plasma and breast milk.
Ghada M Hadad, Randa A Abdel Salam, Samy Emara

J Chromatogr Sci· July 2012

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Determination of glucosamine and carisoprodol in pharmaceutical formulations by LC with pre-column derivatization and UV detection.
Ghada M Hadad, Randa A Abdel-Salam, Samy Emara

J Chromatogr Sci· April 2012

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On-line sample cleanup and enrichment chromatographic technique for the determination of ambroxol in human serum.
Samy Emara, Maha Kamal, Mohamed Abdel Kawi

J Chromatogr Sci· February 2012

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Optimized and validated flow-injection spectrophotometric analysis of topiramate, piracetam and levetiracetam in pharmaceutical formulations.
Ghada M Hadad, Randa A Abdel-Salam, Samy Emara

Acta Pharm· December 2011

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Validation and application of chemometrics-assisted spectrophotometry and liquid chromatography for simultaneous determination of two ternary mixtures containing drotaverine hydrochloride.
Alaa El-Gindy, Samy Emara, Heba Shaaban

J AOAC Int· June 2010

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Development and validation of a stability-indicating RP-HPLC method for the determination of paracetamol with dantrolene or/and cetirizine and pseudoephedrine in two pharmaceutical dosage forms.
Ghada M Hadad, Samy Emara, Waleed M M Mahmoud

Talanta· October 2009

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UV partial least-squares calibration and liquid chromatographic methods for direct quantitation of levofloxacin in urine.
Alaa El-Gindy, Samy Emara, Ahmed Mostafa

J AOAC Int· November 2007

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