Výsledky vyhledávání - "Hayam Mahmoud, Lotfy"

Akademický článek

Study of efficiency and spectral resolution for mathematical filtration technique using novel unlimited derivative ratio and classical univariate spectrophotometric methods for the multicomponent determination-stability analysis

Autor: Hayam Mahmoud Lotfy, Dina Abbas Ahmed, Mohamed Khaled Abdel Rahman, Soheir Abdel Fattah Weshahy

Publikováno v: Heliyon, Vol 5, Iss 5, Pp e01669- (2019)

Six simple, sensitive and selective spectrophotometric methods based on mathematical filtration technique are presented for concurrent determination of aceclofenac (ACE) and paracetamol (PAR) in presence of their degradation products, namely; diclofe

Externí odkaz: https://doaj.org/article/87a54b1ee7e741bc8a673efb3a7bfd64

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Coupling of Physical and Chromatographic Separation for Analyzing Cream Containing Miconazole, Mometasone Furoate and Gentamicin Sulphate

Autor: Shereen Mostafa Tawakkol, Yasmin Mohammed Fayez, Nesma Mahmoud Fahmy, Hayam Mahmoud Lotfy, Mostafa Abdel-Atty Shehata

Publikováno v: Journal of chromatographic science.

High-performance liquid chromatographic method was developed, validated and applied for miconazole, mometasone and gentamicin in Momenta® cream. Physical separation was applied using two extraction procedures due to different solubility of the three

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38b7906f714157ad34acbe287ff80f74
https://pubmed.ncbi.nlm.nih.gov/35901458

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Comparative Study of the Selectivity Power of Colorimetric Method Over Chromatographic Methods for the Analysis of Valaciclovir Hydrochloride

Autor: Eman M Morgan, Hayam Mahmoud Lotfy, Yasmin Mohammed Fayez, Mohamed Abdelkawy

Publikováno v: Journal of AOAC International. 105(3)

Background Valaciclovir hydrochloride (VAL) is an essential antiviral prodrug used to cure various types of herpes. Analysis of VAL by different analytical techniques demonstrates a persuasive aspect that is favorable in quality control application.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::28ed5a4a8d8a2e282a2f05aa3fd306ae
https://pubmed.ncbi.nlm.nih.gov/34935955

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Quantitative analysis of the cholesterol-lowering drugs ezetimibe and simvastatin in pure powder, binary mixtures, and a combined dosage form by spectrophotometry, chemometry, and high-performance column liquid chromatography

Autor: Hayam Mahmoud, Lotfy, Amal Mahmoud, Aboul Alamein, Maha Abdel Monem, Hegazy

Publikováno v: Journal of AOAC International. 93(6)

Simple, accurate, sensitive, and precise UV spectrophotometric, chemometric, and HPLC methods were developed for simultaneous determination of a two-component drug mixture of ezetimibe (EZ) and simvastatin (SM) in laboratory-prepared mixtures and a c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::aaa0421871355523d96501ba0fb3e5a1
https://pubmed.ncbi.nlm.nih.gov/21313811

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