Author

Hayam Mahmoud LOTFY

Observed names: H. M. Lotfy, H.M. Lotfy, HAYAM M LOTFY, HAYAMMAHMOUD LOTFY, Hayam Lotfy, Hayam M Lotfy, Hayam M. LOTFY, Hayam M. Lotfy, Hayam M.Lotfy, Hayam Mahmoud Lotfy, HayamM. Lotfy, Lotfy, Hayam M.

Institution: Cairo University

Observed institutions: Cairo University, Future University in Egypt

ORCID: 0000-0002-4126-7663

Observed ORCID: 0000-0002-4126-7663

OpenAlex ID: A5102836833

Comparative study of novel spectrophotometric methods manipulating ratio spectra: An application on pharmaceutical ternary mixture of omeprazole, tinidazole and clarithromycin

2012 · Hayam Mahmoud Lotfy, Maha Abdel-Monem Hagazy · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 182

Smart Stability-Indicating Spectrophotometric Methods for Determination of Binary Mixtures Without Prior Separation

2008 · Mohammad G El-Bardicy, Hayam M Lotfy, et al. · Journal of AOAC International · 162

Development and validation of a modified QuEChERS protocol coupled to LC–MS/MS for simultaneous determination of multi-class antibiotic residues in honey

2015 · Amr H. Shendy, Medhat A. Al-Ghobashy, et al. · Food Chemistry · 120

Guidelines for accurate application of green and white analytical concepts: Merits Versus demerits with insights of significant milestones of assessment tools applied for antiviral drugs

2024 · Sarah S. Saleh, Reem H. Obaydo, et al. · Microchemical Journal · 102

Novel spectrophotometric methods for simultaneous determination of timolol and dorzolamide in their binary mixture

2014 · Hayam Mahmoud Lotfy, Maha A. Hegazy, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 102

Simultaneous determination of some cholesterol-lowering drugs in their binary mixture by novel spectrophotometric methods

2013 · Hayam Mahmoud Lotfy, Maha Abdel Monem Hegazy · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 92

Simultaneous determination of 200 pesticide residues in honey using gas chromatography–tandem mass spectrometry in conjunction with streamlined quantification approach

2015 · Amr H. Shendy, Medhat A. Al-Ghobashy, et al. · Journal of Chromatography A · 76

Recent Development in Ultraviolet Spectrophotometry Through the Last Decade (2006–2016): a Review

2016 · Hayam M. Lotfy, Sarah S. Saleh · International Journal of Pharmacy and Pharmaceutical Sciences · 74

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Greenness profile and whiteness assessment of the stability-indicating HPLC method for the assay of levetiracetam

2023 · Adel M. Michael, Hayam M. Lotfy, et al. · Microchemical Journal · 67

A comparative study of novel spectrophotometric methods based on isosbestic points; application on a pharmaceutical ternary mixture

2014 · Hayam M. Lotfy, Sarah S. Saleh, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 67

A Comparative Study of the Novel Ratio Difference Method versus Conventional Spectrophotometric Techniques for the Analysis of Binary Mixture with Overlapped Spectra

2012 · Hayam M. Lotfy, Sarah S. Saleh, et al. · American Journal of Analytical Chemistry · 66

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Spider chart and whiteness assessment of synergistic spectrophotometric strategy for quantification of triple combination recommended in seasonal influenza – Detection of spurious drug

2023 · Hayam M. Lotfy, Reem H. Obaydo, et al. · Sustainable Chemistry and Pharmacy · 64

Development and validation of simultaneous spectrophotometric and TLC-spectrodensitometric methods for determination of beclomethasone dipropionate and salbutamol in combined dosage form

2014 · Ahmed Samir, Hayam M. Lotfy, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 64

Successive spectrophotometric resolution as a novel technique for the analysis of ternary mixtures of pharmaceuticals

2013 · Hayam M. Lotfy, Shereen M. Tawakkol, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 63

Analytical tools for greenness assessment of chromatographic approaches: Application to pharmaceutical combinations of Indapamide, Perindopril and Amlodipine

2020 · Sarah S. Saleh, Hayam M. Lotfy, et al. · Microchemical Journal · 54

Novel spectrophotometric methods for simultaneous determination of Amlodipine, Valsartan and Hydrochlorothiazide in their ternary mixture

2015 · Hayam M. Lotfy, Maha A. Hegazy, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 51

Comparative study of novel versus conventional two-wavelength spectrophotometric methods for analysis of spectrally overlapping binary mixture

2015 · Hayam M. Lotfy, Maha A. Hegazy, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 50

Novel univariate spectrophotometric determination of the recently released solid dosage form comprising dapagliflozin and saxagliptin via factorized response spectra: Assessment of the average content and dosage unit uniformity of tablets

2019 · Hayam M. Lotfy, Dalia Mohamed, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 49

A comparative study of smart spectrophotometric methods for simultaneous determination of sitagliptin phosphate and metformin hydrochloride in their binary mixture

2015 · Hayam M. Lotfy, Dalia Mohamed, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 45

Novel two wavelength spectrophotometric methods for simultaneous determination of binary mixtures with severely overlapping spectra

2014 · Hayam M. Lotfy, Sarah S. Saleh, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 45

Univariate versus Multivariate Spectrophotometric Methods for Simultaneous Determination of Complex Binary Mixtures with Overlapped Spectra: A Comparative Study

2013 · Hayam M. Lotfy, Sarah S. Saleh, et al. · Analytical Chemistry Letters · 43

Integrative AQbD, up-to-date greenness, and whiteness tools for evaluation of a sustainable RP-HPLC method used for simultaneous separation of triple antihypertensive combination therapy as a model

2023 · Kanaka Parvathi Kannaiah, Hemanth Kumar Chanduluru, et al. · Sustainable Chemistry and Pharmacy · 41

Different applications of isosbestic points, normalized spectra and dual wavelength as powerful tools for resolution of multicomponent mixtures with severely overlapping spectra

2017 · Ekram H. Mohamed, Hayam M. Lotfy, et al. · Chemistry Central Journal · 41

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Novel spectrophotometric determination of chloramphenicol and dexamethasone in the presence of non labeled interfering substances using univariate methods and multivariate regression model updating

2015 · Maha A. Hegazy, Hayam M. Lotfy, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 41

Determination of Simvastatin and Ezatimibe in Combined Tablet Dosage Forms by Constant Center Spectrophotometric Method

2012 · Hayam M. Lotfy · 41

Works count: 162

Citation count: 3,582

H-index: 33

I10-index: 92