Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Mohammed El-Sayed Metwally"'
Publikováno v:
BMC Chemistry, Vol 18, Iss 1, Pp 1-21 (2024)
Abstract This study reveals one-step green synthesis of plant inspired silver nanoparticles (Ag-NPs). The synthesis procedure relies on the bio-reduction of Ag+ to Ag0 using orange waste (orange peel) extract as cheap, readily available, sustainable,
Externí odkaz:
https://doaj.org/article/494d643a0c7849f8b064f9ee1d39b325
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-9 (2022)
Abstract Hydrophilic interaction liquid chromatography (HILIC) has inherent merits over RP-HPLC in the analyzing of hydrophilic substances. Accordingly, an innovative HILIC-UV methodology is proposed for the simultaneous estimation of ethyl paraben (
Externí odkaz:
https://doaj.org/article/c4fd6d253e63411ab8a4704c571b5329
Publikováno v:
Luminescence : the journal of biological and chemical luminescenceREFERENCES. 37(10)
Two facile spectroscopic methodologies were designed for estimating trospium chloride (TPM) in raw material and tablets with high operational reliability and selectivity. The methods were based on using erythrosine B (EB) as a spectroscopic tool for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24be6bc3d34aecfc6737098c7e0b902e
https://pubmed.ncbi.nlm.nih.gov/35922904
https://pubmed.ncbi.nlm.nih.gov/35922904
Publikováno v:
Reactions and Movement of Organic Chemicals in Soils
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10a5418a62c7a44e3f48133bebc52dfb
https://doi.org/10.2136/sssaspecpub22.c9
https://doi.org/10.2136/sssaspecpub22.c9
Publikováno v:
Journal of the Chinese Chemical Society. 52:927-935
The present investigation describes the development of a sensitive, rapid polarographic method for the determination of famotidine in pure form and in certain dosage forms. The proposed method depends upon studying the polarographic activity of Nicke
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::97e74e5a85c32e078acea5135087bfb1
https://doi.org/10.1002/jccs.200500129
https://doi.org/10.1002/jccs.200500129
Publikováno v:
Journal of the Chinese Chemical Society. 51:1059-1064
A highly sensitive and specific fluorimetric method was developed for the determination of ethionamide in pharmaceutical preparations and biological fluids (urine and plasma). The proposed method is based on the studyofthequantitativequenchingeffecto
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25feb0590d1700d05061831ca42b0f5d
https://doi.org/10.1002/jccs.200400158
https://doi.org/10.1002/jccs.200400158
Publikováno v:
Journal of the Chinese Chemical Society. 51:523-530
Two spectrophotometric methods were developed for the determination of ranitidine. The first method wasakineticspectrophotometricmethodbasedonthecatalyticeffectofranitidineonthereactionbetweensodium azide and iodine in an aqueous solution. The calibr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39f81e71b366c53b8d4893a8ca6e4766
https://doi.org/10.1002/jccs.200400079
https://doi.org/10.1002/jccs.200400079
Autor:
Mohammed El-Sayed Metwally
Publikováno v:
Analytical Sciences. 15:979-984
A simple and sensitive spectrophotometric method for the determination of sulfonamides in bulk, in pharmaceutical dosage forms and in biological fluids was developed. The method is based on coupling the diazotized sulfa with the anti-malarial ingredi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58a52483dea9f289ff7d6707d3962c89
https://doi.org/10.2116/analsci.15.979
https://doi.org/10.2116/analsci.15.979
Publikováno v:
Analytical Sciences. 8:71-76
A sensitive and rapid colorimetric method was developed for the determination of nitrite in natural water samples. The method is based on coupling primaquine phosphate (PP) with diazotized p-nitroaniline (PNA) or with diazotized p-aminobenzophenone (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ee0110b0fdfcae623d7fc4398296143
https://doi.org/10.2116/analsci.8.71
https://doi.org/10.2116/analsci.8.71
Autor:
Mohammed El-Sayed Metwally
Publikováno v:
Journal of Chromatography A. 549:221-228
A stability-indicating high-performance liquid chromatographic assay has been developed for the analysis of alpha-methyldopa (MD) in sustained-release capsules and in the presence of MD decomposition products and an MD industrial impurity, 3-O-methyl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0de42e442d15dba7d98411cc6b26f053
https://doi.org/10.1016/s0021-9673(00)91433-x
https://doi.org/10.1016/s0021-9673(00)91433-x