Point-of-care diagnostics for drugs of abuse in biological fluids: application of a microfabricated disposable copper potentiometric sensor
Hassan, Said A., ElDin, Norhan Badr, Zaazaa, Hala E., Moustafa, Azza A., Mahmoud, Amr M.
Published in Mikrochimica acta (1966) (01.09.2020)
Published in Mikrochimica acta (1966) (01.09.2020)
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Journal Article
Author Correction: Dietary supplement mislabelling: case study on selected slimming products by developing a green isocratic HPLC method for their quality control
El Azab, Noha F., Abdelaal, Sarah H., Hassan, Said A., El‑Kosasy, Amira M.
Published in Scientific reports (31.01.2023)
Published in Scientific reports (31.01.2023)
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Journal Article
Development and Bioanalytical Validation of RP-HPLC Method for the Simultaneous Determination of Perampanel and Carbamazepine in Human Plasma for Therapeutic Drug Monitoring
Said A. Hassan, Helmy, Aya H., Weshahy, Soheir A., Youssef, Nadia F., El-Zeany, Badr A.
Published in Journal of analytical chemistry (New York, N.Y.) (01.05.2023)
Published in Journal of analytical chemistry (New York, N.Y.) (01.05.2023)
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Journal Article
Continuous wavelet transform for solving the problem of minor components in quantitation of pharmaceuticals: a case study on the mixture of ibuprofen and phenylephrine with its degradation products
Hassan, Said A., Fekry, Reham A., Fayez, Yasmin M., Kelani, Khadiga M.
Published in BMC chemistry (24.10.2023)
Published in BMC chemistry (24.10.2023)
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Journal Article
Development and validation of HPLC and CE methods for simultaneous determination of amlodipine and atorvastatin in the presence of their acidic degradation products in tablets
Hassan, Said A., Elzanfaly, Eman S., El-Zeany, Salem Badr A., Salem, Maissa Y.
Published in Acta Pharmaceutica (01.12.2016)
Published in Acta Pharmaceutica (01.12.2016)
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Paper
Development, Optimization, and Validation of a Green Spectrofluorimetric method for the determination of Moxifloxacin using an Experimental design approach
Ibrahim, Noha, S. Elzanfaly, Eman, E. El Gendy, Ahmed, A. Hassan, Said
Published in Research journal of pharmacy and technology (01.04.2021)
Published in Research journal of pharmacy and technology (01.04.2021)
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Journal Article
Quality control of dietary supplements: An economic green spectrofluorimetric assay of Raspberry ketone and its application to weight variation testing
Abdelaal, Sarah H., El Azab, Noha F., Hassan, Said A., El-Kosasy, Amira M.
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15.11.2021)
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15.11.2021)
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Strategies for stabilizing formulation and QbD assisted development of robust stability indicating method of azilsartan medoxomil/chlorthalidone
Gad, Mohamed A., Amer, Sawsan M., Zaazaa, Hala E., Hassan, Said A.
Published in Journal of pharmaceutical and biomedical analysis (30.01.2020)
Published in Journal of pharmaceutical and biomedical analysis (30.01.2020)
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Advanced chemometric methods as powerful tools for impurity profiling of drug substances and drug products: Application on bisoprolol and perindopril binary mixture
Hassan, Said A., Nashat, Nancy W., Elghobashy, Mohamed R., Abbas, Samah S., Moustafa, Azza A.
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15.02.2022)
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15.02.2022)
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Journal Article
The Problem of Worst-Case Variability in Cleaning Validation and Cross-Contamination Control: A Quality by Design Approach on Some Cephalosporin Residuals
Mohamed A. Gad, Zaazaa, Hala E., Amer, Sawsan M., Hassan, Said A.
Published in Journal of analytical chemistry (New York, N.Y.) (01.07.2024)
Published in Journal of analytical chemistry (New York, N.Y.) (01.07.2024)
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Application of wavelet and Fuorier transforms as powerful alternatives for derivative spectrophotometry in analysis of binary mixtures: A comparative study
Hassan, Said A., Abdel-Gawad, Sherif A.
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15.02.2018)
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15.02.2018)
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A comparative study of two analytical techniques for the simultaneous determination of amprolium HCl and ethopabate from combined dosage form and in presence of their alkaline degradation
Basha, Mai A., Abd El-Rahman, Mohamed K., Bebawy, Lories I., Moustafa, Azza A., Hassan, Said A.
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15.12.2020)
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15.12.2020)
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Journal Article
Optimization of localized surface plasmon resonance hot spots in surface-enhanced infrared absorption spectroscopy aluminum substrate as an optical sensor coupled to chemometric tools for the purity assay of quinary mixtures
Eid, Sherif M., Hassan, Said A., Nashat, Nancy W., Elghobashy, Mohamed R., Abbas, Samah S., Moustafa, Azza A.
Published in Mikrochimica acta (1966) (01.06.2021)
Published in Mikrochimica acta (1966) (01.06.2021)
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Development and validation of LC–MS/MS assay for the simultaneous determination of methotrexate, 6-mercaptopurine and its active metabolite 6-thioguanine in plasma of children with acute lymphoblastic leukemia: Correlation with genetic polymorphism
Al-Ghobashy, Medhat A., Hassan, Said A., Abdelaziz, Doaa H., Elhosseiny, Noha M., Sabry, Nirmeen A., Attia, Ahmed S., El-Sayed, Manal H.
Published in Journal of chromatography. B, Analytical technologies in the biomedical and life sciences (01.12.2016)
Published in Journal of chromatography. B, Analytical technologies in the biomedical and life sciences (01.12.2016)
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