Zobrazeno 1 - 10
of 42
pro vyhledávání: '"H. A. El-Obeid"'
Publikováno v:
E-Journal of Chemistry, Vol 8, Iss 3, Pp 1314-1322 (2011)
A simple spectrophotometric method was developed for the determination of cefadroxil in pure bulk and in capsules forms. The method is based on a direct reaction between cefadroxil and sodium hydroxide (1 N). A product with λmax at 342 nm and molar
Externí odkaz:
https://doaj.org/article/e7bfa350d51345a88506ce94af20aa03
Publikováno v:
E-Journal of Chemistry, Vol 8, Iss 3, Pp 1314-1322 (2011)
A simple spectrophotometric method was developed for the determination of cefadroxil in pure bulk and in capsules forms. The method is based on a direct reaction between cefadroxil and sodium hydroxide (1 N). A product with λmaxat 342 nm and molar a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d88952ab534285b23a59c2890b34c75
https://doaj.org/article/e7bfa350d51345a88506ce94af20aa03
https://doaj.org/article/e7bfa350d51345a88506ce94af20aa03
Publikováno v:
Journal of Pharmaceutical and Biomedical Analysis. 36:1011-1018
The photostability of selected benzocycloheptane antihistaminic agents, namely, loratadine (I), pizotifen (II), ketotifen fumarate (III) and cyproheptatidine (IV), was investigated. Both I and II were photolabile while III and IV were photostable. To
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1955dd46809be1e712c7a8eafb722f90
https://doi.org/10.1016/j.jpba.2004.09.019
https://doi.org/10.1016/j.jpba.2004.09.019
Autor:
H. A. El-Obeid, M. A. Abounassif, Fathalla Belal, Kamal E. E. Ibrahim, Elrasheed A. Gadkariem
Publikováno v:
Il Farmaco. 59:323-329
The degradation of the amoebicide diloxanide furoate in alkaline medium at different temperatures was investigated using both a spectrophotometric and a developed HPLC method. In solutions, the drug was found to undergo decomposition, i.e., temperatu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f9f736da5991c4c9d22c6135e4a343f6
https://doi.org/10.1016/j.farmac.2003.11.015
https://doi.org/10.1016/j.farmac.2003.11.015
Autor:
Elrasheed A. Gadkariem, Hamad A. Al-Khamees, H. A. El-Obeid, F. S. El-Shafie, Khalid A. Al-Rashood, G.A.M. Bawazeer
Publikováno v:
Analytical Letters. 32:2809-2823
A simple, sensitive and selective colorimetric method is described for the assay of ampicillin, amoxicillin, cephalexin, cefadroxil and cefaclor in their pharmaceutical preparations. The method is based on measuring the color obtained when the alkali
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86d80616d0b203c1dc2d7caac4b88240
https://doi.org/10.1080/00032719908543008
https://doi.org/10.1080/00032719908543008
Publikováno v:
Pharmaceutical research. 2(1)
5-Nitrofuran derivatives were synthesized and their antibacterial activity was investigated using standard bacterial strains and clinical isolates. The compounds showed inhibitory effects on both Gram-positive and Gram-negative organisms.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::c8598d4f2693d18074abf05c36c6f7a9
https://pubmed.ncbi.nlm.nih.gov/24272513
https://pubmed.ncbi.nlm.nih.gov/24272513
Autor:
Hamad A. Al-Khamees, Elrasheed A. Gadkariem, F. S. El-Shafie, H. A. El-Obeid, Khalid A. Al-Rashood
Publikováno v:
Analytical Letters. 29:381-393
A simple colorimetric procedure is described for the quantitation of ampicillin and amoxicillin in their pharmaceutical preparations. The color production is based on the reaction of the oxidation product of ascorbic acid, dehydroascorbic acid, with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c09dbb7281e99ec045fa83ac36013b55
https://doi.org/10.1080/00032719608000405
https://doi.org/10.1080/00032719608000405
Publikováno v:
Biopharmaceutics & Drug Disposition. 14:271-277
The possible interaction of pirenzepine with the mixed-function oxidases obtained from phenobarbital-pretreated rabbit microsomes was examined in vitro. Under experimental conditions that did not lead to its own N-demethylation, the drug inhibited th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::721fc4722c562c98a318126f008132ce
https://doi.org/10.1002/bdd.2510140310
https://doi.org/10.1002/bdd.2510140310
Publikováno v:
ChemInform. 22
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ecfde974e92117635262045f0b703b11
https://doi.org/10.1002/chin.199120178
https://doi.org/10.1002/chin.199120178
Autor:
H. A. El-Obeid, Khalid A. Al-Rashood, Hussein I. El-Subbagh, Ashraf A. Khalil, S. G. Abdel Hamid
Publikováno v:
ChemInform. 33
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::565b632503474d2b27b604b7b5fff368
https://doi.org/10.1002/chin.200220125
https://doi.org/10.1002/chin.200220125