Elsayed A. Ibrahim

Development and Validation of an HPLC–UV/PDA Method for the Determination of Cannflavins in Different Cannabis sativa Chemovars

Methods and Protocols

Jan 2025

journal-article

Development and Validation of an HPLC–UV/PDA Method for the Determination of Cannflavins in Different Cannabis sativa Chemovars

Methods and Protocols

Jan 2025

journal-article

Validation and Quantitation of Fifteen Cannabinoids in Cannabis and Marketed Products Using High-Performance Liquid Chromatography-Ultraviolet/Photodiode Array Method

Cannabis and Cannabinoid Research

Jan 2024

journal-article

Validation and Quantitation of Fifteen Cannabinoids in Cannabis and Marketed Products Using High-Performance Liquid Chromatography-Ultraviolet/Photodiode Array Method

Cannabis and Cannabinoid Research

Jan 2024

journal-article

A UPLC- MS/MS Method to Quantify beta-Sitosterol and Ferulic Acid of Pygeum Africanum Extract in Bulk and Pharmaceutical Preparation

Journal of Chromatographic Science

Jan 2023

journal-article

Isolation and Characterization of Impurities in Commercially Marketed Δ8-THC Products

Journal of Natural Products

Jan 2023

journal-article

Novel green HPTLC and organic solvent-free micellar LC methods for the simultaneous determination of Ozenoxacin and benzoic acid; greenness assessment and applications

Sustainable Chemistry and Pharmacy

Jan 2023

journal-article

Simultaneous Determination of Nitrofurantoin and Phenazopyridine in Human Urine Samples By HPLC-UV

Records of Pharmaceutical and Biomedical Sciences

Jan 2023

journal-article

A UPLC- MS/MS Method to Quantify β-Sitosterol and Ferulic Acid of Pygeum Africanum Extract in Bulk and Pharmaceutical Preparation

Journal of Chromatographic Science

Jan 2023

journal-article

Development and Validation of a GC-FID Method for the Quantitation of 20 Different Acidic and Neutral Cannabinoids

Planta Medica

Jan 2023

journal-article

Effect of Gamma Irradiation on Cannabinoid, Terpene, and Moisture Content of Cannabis Biomass

Molecules

Jan 2023

journal-article

Quantitative Determination of Cannabis Terpenes Using Gas Chromatography-Flame Ionization Detector

Cannabis and Cannabinoid Research

Jan 2023

journal-article

A validated multiresidue method for the determination of 34 pesticide residues in different types of tea bags using QuEChERS method with LC-ESI-MS/MS

Records of Pharmaceutical and Biomedical Sciences

Jan 2022

journal-article

Quantitative Determination of Cannabis Terpenes Using Gas Chromatography-Flame Ionization Detector.

Cannabis and cannabinoid research

Jan 2022

journal-article

Development and Validation of a GC-FID Method for the Quantitation of 20 Different Acidic and Neutral Cannabinoids

Planta Medica

Jan 2022

journal-article

GC-MS/MS Quantification of EGFR Inhibitors, β-Sitosterol, Betulinic Acid, (+) Eriodictyol, (+) Epipinoresinol, and Secoisolariciresinol, in Crude Extract and Ethyl Acetate Fraction of Thonningia sanguinea

Molecules

Jan 2022

journal-article

GC-MS/MS Quantification of EGFR Inhibitors, β-Sitosterol, Betulinic Acid, (+) Eriodictyol, (+) Epipinoresinol, and Secoisolariciresinol, in Crude Extract and Ethyl Acetate Fraction of Thonningia sanguinea

Molecules

Jan 2022

journal-article

GC-MS/MS Quantification of EGFR Inhibitors, β-Sitosterol, Betulinic Acid, (+) Eriodictyol, (+) Epipinoresinol, and Secoisolariciresinol, in Crude Extract and Ethyl Acetate Fraction of Thonningia sanguinea

Molecules

Jan 2022

journal-article

A validated multiresidue method for the determination of 34 pesticide residues in different types of tea bags using QuEChERS method with LC-ESI-MS/MS

Records of Pharmaceutical and Biomedical Sciences

Jan 2022

journal-article

Thonningia sanguinea extract: Antioxidant and cytotoxic activities supported by chemical composition and molecular docking simulations

Plants

Jan 2021

journal-article

Green UV Absorbance Ratio Method for Determination of Eprosartan and Hydrochlorothiazide

Records of Pharmaceutical and Biomedical Sciences

Jan 2021

journal-article

Green UV Absorbance Ratio Method for Determination of Eprosartan and Hydrochlorothiazide

Records of Pharmaceutical and Biomedical Sciences

Jan 2021

journal-article

Thonningia sanguinea Extract: Antioxidant and Cytotoxic Activities Supported by Chemical Composition and Molecular Docking Simulations

Plants

Jan 2021

journal-article

Analysis of Terpenes in Cannabis sativa LUsing GC/MS: Method Development, Validation, and Application

Planta Medica

Jan 2019

journal-article

Analysis of Terpenes in Cannabis sativa L. Using GC/MS: Method Development, Validation, and Application

Planta Medica

Jan 2019

journal-article

Analysis of Terpenes in Cannabis sativa L. Using GC/MS: Method Development, Validation, and Application

Planta Medica

Jan 2019

journal-article

Recent Analytical Approaches in Quality Control of Cannabis sativa L. and Its Preparations

Records of Pharmaceutical and Biomedical Sciences

Jan 2018

journal-article

Recent Analytical Approaches in Quality Control of Cannabis sativa L. and Its Preparations

Records of Pharmaceutical and Biomedical Sciences

Jan 2018

journal-article

Recent Analytical Approaches in Quality Control of Cannabis sativa L. and Its Preparations

Records of Pharmaceutical and Biomedical Sciences

Jan 2018

journal-article

Detection and Quantification of Cannabinoids in Extracts of Cannabis sativa Roots Using LC-MS/MS

Planta Medica

Jan 2018

journal-article

Detection and Quantification of Cannabinoids in Extracts of Cannabis sativa Roots Using LC-MS/MS

Planta Medica

Jan 2018

journal-article

Detection and Quantification of Cannabinoids in Extracts of Cannabis sativa Roots Using LC-MS/MS

Planta Medica

Jan 2018

journal-article

Determination of Acid and Neutral Cannabinoids in Extracts of Different Strains of Cannabis sativa Using GC-FID

Planta medica

Jan 2018

journal-article

Determination of Acid and Neutral Cannabinoids in Extracts of Different Strains of Cannabis sativa Using GC-FID

Planta Medica

Jan 2018

journal-article

Determination of Acid and Neutral Cannabinoids in Extracts of Different Strains of Cannabis sativa Using GC-FID

Planta Medica

Jan 2018

journal-article

Analysis of cupressuflavone and amentoflavone from Cupressus sempervirens L. and its tissue cultured callus using HPLC-DAD method

Pharmacy & Pharmacology International Journal

Jan 2017

journal-article

Analysis of Cupressuflavone and Amentoflavone from Cupressus sempervirens L. and its Tissue Cultured Callus using HPLC-DAD Method

Pharmacy & Pharmacology International Journal

Jan 2017

journal-article

STABILITY-INDICATING LIQUID CHROMATOGRAPHY METHOD FOR THE DETERMINATION OF PENTOXYVERINE CITRATE AND ITS DEGRADANT

International Journal of Pharmacy and Pharmaceutical Sciences

Jan 2014

journal-article

Elsayed A. Ibrahim

Work

University of Mississippi

Suez Canal University Faculty of Pharmacy

Education

Suez Canal University Faculty of Pharmacy

Publications

Development and Validation of an HPLC–UV/PDA Method for the Determination of Cannflavins in Different Cannabis sativa Chemovars

Development and Validation of an HPLC–UV/PDA Method for the Determination of Cannflavins in Different Cannabis sativa Chemovars

Validation and Quantitation of Fifteen Cannabinoids in Cannabis and Marketed Products Using High-Performance Liquid Chromatography-Ultraviolet/Photodiode Array Method

Validation and Quantitation of Fifteen Cannabinoids in Cannabis and Marketed Products Using High-Performance Liquid Chromatography-Ultraviolet/Photodiode Array Method

A UPLC- MS/MS Method to Quantify beta-Sitosterol and Ferulic Acid of Pygeum Africanum Extract in Bulk and Pharmaceutical Preparation

Isolation and Characterization of Impurities in Commercially Marketed Δ8-THC Products

Novel green HPTLC and organic solvent-free micellar LC methods for the simultaneous determination of Ozenoxacin and benzoic acid; greenness assessment and applications

Simultaneous Determination of Nitrofurantoin and Phenazopyridine in Human Urine Samples By HPLC-UV

A UPLC- MS/MS Method to Quantify β-Sitosterol and Ferulic Acid of Pygeum Africanum Extract in Bulk and Pharmaceutical Preparation

Development and Validation of a GC-FID Method for the Quantitation of 20 Different Acidic and Neutral Cannabinoids

Effect of Gamma Irradiation on Cannabinoid, Terpene, and Moisture Content of Cannabis Biomass

Quantitative Determination of Cannabis Terpenes Using Gas Chromatography-Flame Ionization Detector

A validated multiresidue method for the determination of 34 pesticide residues in different types of tea bags using QuEChERS method with LC-ESI-MS/MS

Quantitative Determination of Cannabis Terpenes Using Gas Chromatography-Flame Ionization Detector.

Development and Validation of a GC-FID Method for the Quantitation of 20 Different Acidic and Neutral Cannabinoids

GC-MS/MS Quantification of EGFR Inhibitors, β-Sitosterol, Betulinic Acid, (+) Eriodictyol, (+) Epipinoresinol, and Secoisolariciresinol, in Crude Extract and Ethyl Acetate Fraction of Thonningia sanguinea

GC-MS/MS Quantification of EGFR Inhibitors, β-Sitosterol, Betulinic Acid, (+) Eriodictyol, (+) Epipinoresinol, and Secoisolariciresinol, in Crude Extract and Ethyl Acetate Fraction of Thonningia sanguinea

GC-MS/MS Quantification of EGFR Inhibitors, β-Sitosterol, Betulinic Acid, (+) Eriodictyol, (+) Epipinoresinol, and Secoisolariciresinol, in Crude Extract and Ethyl Acetate Fraction of Thonningia sanguinea

A validated multiresidue method for the determination of 34 pesticide residues in different types of tea bags using QuEChERS method with LC-ESI-MS/MS

Thonningia sanguinea extract: Antioxidant and cytotoxic activities supported by chemical composition and molecular docking simulations

Green UV Absorbance Ratio Method for Determination of Eprosartan and Hydrochlorothiazide

Green UV Absorbance Ratio Method for Determination of Eprosartan and Hydrochlorothiazide

Thonningia sanguinea Extract: Antioxidant and Cytotoxic Activities Supported by Chemical Composition and Molecular Docking Simulations

Analysis of Terpenes in Cannabis sativa LUsing GC/MS: Method Development, Validation, and Application

Analysis of Terpenes in Cannabis sativa L. Using GC/MS: Method Development, Validation, and Application

Analysis of Terpenes in Cannabis sativa L. Using GC/MS: Method Development, Validation, and Application

Recent Analytical Approaches in Quality Control of Cannabis sativa L. and Its Preparations

Recent Analytical Approaches in Quality Control of Cannabis sativa L. and Its Preparations

Recent Analytical Approaches in Quality Control of Cannabis sativa L. and Its Preparations

Detection and Quantification of Cannabinoids in Extracts of Cannabis sativa Roots Using LC-MS/MS

Detection and Quantification of Cannabinoids in Extracts of Cannabis sativa Roots Using LC-MS/MS

Detection and Quantification of Cannabinoids in Extracts of Cannabis sativa Roots Using LC-MS/MS

Determination of Acid and Neutral Cannabinoids in Extracts of Different Strains of Cannabis sativa Using GC-FID

Determination of Acid and Neutral Cannabinoids in Extracts of Different Strains of Cannabis sativa Using GC-FID

Determination of Acid and Neutral Cannabinoids in Extracts of Different Strains of Cannabis sativa Using GC-FID

Analysis of cupressuflavone and amentoflavone from Cupressus sempervirens L. and its tissue cultured callus using HPLC-DAD method

Analysis of Cupressuflavone and Amentoflavone from Cupressus sempervirens L. and its Tissue Cultured Callus using HPLC-DAD Method

STABILITY-INDICATING LIQUID CHROMATOGRAPHY METHOD FOR THE DETERMINATION OF PENTOXYVERINE CITRATE AND ITS DEGRADANT