Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Mohamed R. Elghobashy"'
Publikováno v:
BMC Chemistry, Vol 17, Iss 1, Pp 1-11 (2023)
Abstract The multivariate models that are used for spectral data analysis have many beneficial applications, and one of the important applications is the analysis of drugs and their impurities. Three Chemometrically-assisted spectrophotometric models
Externí odkaz:
https://doaj.org/article/5f069ab803ba4b83bc3b0cff0675f740
Autor:
Mona A. Abdel Rahman, Mohamed R. Elghobashy, Hala E. Zaazaa, Shimaa A. Atty, Sally S. El-Mosallamy
Publikováno v:
BMC Chemistry, Vol 16, Iss 1, Pp 1-11 (2022)
Abstract Etoricoxib (ETO), Paracetamol (PCM), and two toxic impurities for Paracetamol impurity K (4-aminophenol (PAP)) and impurity E (para-hydroxy acetophenone (PHA)) were separated using a simple and selective HPLC method that was tested for the f
Externí odkaz:
https://doaj.org/article/03c5b5c13656412283d47d7abce06105
Autor:
Mona A. Abdel Rahman, Shimaa A. Atty, Sally S. El-Mosallamy, Mohamed R. Elghobashy, Hala E. Zaazaa, Ahmed S. Saad
Publikováno v:
BMC Chemistry, Vol 16, Iss 1, Pp 1-12 (2022)
Abstract The experimental design extracts valuable information about the main effects and interactions from the least number of experiments. The current work constructs a solid-state sensor for selective assay of Ondansetron (OND) in pharmaceutical d
Externí odkaz:
https://doaj.org/article/ba410ebcfdfc41698f891656c6d4b360
Publikováno v:
Bulletin of Faculty of Pharmacy Cairo University, Vol 54, Iss 1, Pp 39-47 (2016)
Four simple, accurate, reproducible and non-sophisticated spectrophotometric methods manipulating ratio spectra were developed and validated for the simultaneous determination of diflucortolone valerate (DIF) and isoconazole nitrate (ISO) without pre
Externí odkaz:
https://doaj.org/article/443c81c04d004930ad01d59764a8720d
Publikováno v:
Bulletin of Faculty of Pharmacy Cairo University, Vol 50, Iss 1, Pp 49-59 (2012)
Four sensitive and selective stability-indicating methods for the determination of bupropion hydrochloride in the presence of its alkaline degradates, related impurity, 3-chlorobenzoic acid, and in its pharmaceutical formulation were developed. Metho
Externí odkaz:
https://doaj.org/article/fd2b98f773794af7a856d9d56c8ee613
Autor:
Mona A. Abdel Rahman, Ahmed S. Saad, Sally S. El-Mosallamy, Mohamed R. Elghobashy, Hala E. Zaazaa, Shimaa A. Atty
Publikováno v:
Electrocatalysis. 13:567-579
The electrochemical actions of ondansetron (OND) were investigated on the modified electrode with Polyvinyl Pyrollidone (PVP) and multi-walled carbon nanotube (MWCNTs). The oxidation peak current was enhanced to be doubled when compared to the bare e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3db06b96befddf8e58b87b414903ff3
https://doi.org/10.1007/s12678-022-00739-1
https://doi.org/10.1007/s12678-022-00739-1
Publikováno v:
Talanta. 254
Misuse of illicit drugs is a serious problem that became the primary concern for many authorities worldwide. Point-of-care (POC) diagnostic tools can provide accurate and fast screening information that helps to detect illicit drugs in a short time.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::027c74c12a34d81e43ca3b82b5e8d042
https://pubmed.ncbi.nlm.nih.gov/36463800
https://pubmed.ncbi.nlm.nih.gov/36463800
Autor:
Mohamed K. Abd El-Rahman, Khadiga M. Kelani, Mohamed R. Elghobashy, Sherif M. Eid, Faisal K. Algethami
Publikováno v:
RSC Advances. 10:7146-7154
The use of performance-enhancing drugs is prohibited in sports competitions according to the World Anti-Doping Agency (WADA) regulations. Here, ATR-FTIR spectroscopy coupled with a partial least squares regression (PLSR) chemometric tool was used for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::75109f054bc420256cf2ae856c6407a1
https://doi.org/10.1039/c9ra10033d
https://doi.org/10.1039/c9ra10033d
Autor:
Shymaa S. Soliman, Alaadin E. El-Haddad, Ghada A. Sedik, Mohamed R. Elghobashy, Hala E. Zaazaa, Ahmed S. Saad
Publikováno v:
RSC advances. 12(15)
Turmeric is an indispensable culinary spice in different cultures and a principal component in traditional remedies. Toxic metanil yellow (MY), acid orange 7 (AO) and lead chromate (LCM) are deliberately added to adulterate turmeric powder. This work
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc7706cefebbe5a8fa8e82af486a5e84
https://pubmed.ncbi.nlm.nih.gov/35424884
https://pubmed.ncbi.nlm.nih.gov/35424884
Publikováno v:
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy. 267(Pt 2)
Impurity profiling has a rising importance nowadays due to the increased health problems associated with impurities and degradation products found in several drug substances and formulations. Three advanced, accurate and precise chemometric methods w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e8e52d46b85ddcf7908cc0642a043c39
https://pubmed.ncbi.nlm.nih.gov/34774433
https://pubmed.ncbi.nlm.nih.gov/34774433