Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Nadia Fayek Youssef"'
Publikováno v:
Brazilian Journal of Pharmaceutical Sciences, Vol 54, Iss 3 (2018)
Forced degradation studies of gliquidone were conducted under different stress conditions. Three degradates were observed upon using HPLC and TLC and elucidated by LC-MS and IR. HPLC method was performed on C18 column using methanol-water (85:15 v/v)
Externí odkaz:
https://doaj.org/article/3b490d99b9104c06a0432e734b6a288c
Publikováno v:
Chemical and Pharmaceutical Bulletin. 54:807-813
Three spectrophotometric methods including Vierordt's method, derivative, ratio spectra derivative, and thin layer chromatography (TLC)-UV densitometric method were developed for simultaneous determination of drotaverine HCl (DRT) and nifuroxazide (N
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::efa2f0a5886a4f0aab8780ca279c4395
https://doi.org/10.1248/cpb.54.807
https://doi.org/10.1248/cpb.54.807
Autor:
Elham Anwer Taha, Nadia Fayek Youssef
Publikováno v:
Chemical and Pharmaceutical Bulletin. 51:1444-1447
Three simple, accurate and sensitive spectrophotometric methods are developed for the determination of some new drugs for the treatment of osteoporosis: risedronate sodium (I), alendronate sodium (II) and etidronate disodium (III). The first method i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0974cd226527f4e8219ec06ee2337689
https://doi.org/10.1248/cpb.51.1444
https://doi.org/10.1248/cpb.51.1444
Autor:
Elham Anwer Taha, Nadia Fayek Youssef
Publikováno v:
Chemicalpharmaceutical bulletin. 55(4)
Three reliable, rapid and selective methods have been developed and validated for the determination of lamotrigine in the presence of its impurity, 2,3-dichlorobenzoic acid. The first method is spectrophotometric method using p-chloranilic acid formi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42f2d81aac46c6ba7a3d123d8ac74548
https://pubmed.ncbi.nlm.nih.gov/17409544
https://pubmed.ncbi.nlm.nih.gov/17409544
Publikováno v:
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy. 66(4-5)
Thin-layer chromatography, first derivative, ratio spectra derivative spectrophotometry and Vierordt's method have been developed for the simultaneous determination of paracetamol and drotaverine HCl. TLC densitometric method depends on the differenc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::391622481b4c504d4e95d7aaba7a9595
https://pubmed.ncbi.nlm.nih.gov/17045518
https://pubmed.ncbi.nlm.nih.gov/17045518