Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Khaldun M Al Azzam"'
Autor:
Gulzhakhan Yeligbayeva, Gulnaz Zh. Moldabayeva, Khaldun M Al Azzam, Lyazzat Bekbayeva, El-Sayed Negim, Marwan Shalash, Anwar Usman
Publikováno v:
International Journal of Technology, Vol 15, Iss 5, Pp 1258-1270 (2024)
Polyurethane coatings were synthesized through polyaddition polymerization using various polyols. These polyols included polypropylene glycol with different molecular weights, such as PPG-2000, and PPG-1200, as well as 1,4- butanediol. Additional
Externí odkaz:
https://doaj.org/article/94810bca8e274453be02a91b2c580a72
Autor:
Mira Serekpayeva, Rimma Niyazbekova, Khaldun M. Al Azzam, El-sayed Negim, Aisulu Yeleussizova, Ainur Ibzhanova
Publikováno v:
International Journal of Technology, Vol 13, Iss 3, Pp 544-552 (2022)
Corrosion-related irreparable metal failures can cause massive losses in various sectors, including agricultural engineering and construction. Steel structures are typically coated to withstand corrosion pressures during the service life specifie
Externí odkaz:
https://doaj.org/article/e3dbf90683de47b4b2c2c8b1522f8251
Modification of Xanthan Gum with Methyl Methacrylate and Investigation of Its Rheological Properties
Publikováno v:
International Journal of Technology, Vol 13, Iss 2, Pp 389-397 (2022)
Xanthan gum modification is considered a significant step in improving shearing, thermal degradation performance, and rheological properties. This paper investigates the rheology properties of the grafted copolymer based on xanthan gum and methyl
Externí odkaz:
https://doaj.org/article/1dcffa514d5447559fa416840afcf2fd
Autor:
Nadia Bounoua, Khaldun M. Al Azzam, Hassan Y. Aboul-Enein, Mohamed Nadjib Rebizi, El-Sayed Negim
Publikováno v:
Asian Journal of Chemistry. 34:1993-1996
The impact of repurposing drugs that now in vitro inhibit significant chronic respiratory illness corona virus type 2 was indeed underestimated or ignored during the early phases of the COVID-19 virus. Recent clinical data, however, suggest that remd
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::129e5f61ff6a6fee127b50ef362f5cfb
https://doi.org/10.14233/ajchem.2022.23819
https://doi.org/10.14233/ajchem.2022.23819
Publikováno v:
Asian Journal of Chemistry. 33:930-936
A new simple and sensitive high-performance liquid chromatography (HPLC) method for the determination of formaldehyde in flour samples has been developed. Formaldehyde was quantified after derivatization with a readily available reagent, 2,4,6-trichl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0cb0d816f9121c4ddec728379ac9c1dd
https://doi.org/10.14233/ajchem.2021.23120
https://doi.org/10.14233/ajchem.2021.23120
Autor:
Khaldun M. Al Azzam
Publikováno v:
Asian Journal of Chemistry. 33:1663-1670
The aim of this research is to use capillary electrophoresis to establish/determine the binding constants for ofloxacin and ornidazole enantiomers with the negatively charged chiral selector sulfated-β-cyclodextrin (S-β-CD). Using electrophoretic m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a41086cd2334d4119bb9e11a30d7af6
https://doi.org/10.14233/ajchem.2021.23286
https://doi.org/10.14233/ajchem.2021.23286
Publikováno v:
Biomedical Chromatography. 30:1416-1422
In the current work, the investigation and development of a chemo-enzymatic approach for the synthesis of neo-glycoproteins have been studied. This strategy is based on the regioselective enzymatic hydrolysis of peracetylated monosaccharide, function
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76f6fc6d5f8bca8cd5678915d822747e
https://doi.org/10.1002/bmc.3699
https://doi.org/10.1002/bmc.3699
Recent advances in analysis of hazardous genotoxic impurities in pharmaceuticals by HPLC, GC, and CE
Publikováno v:
Journal of Liquid Chromatography & Related Technologies. 39:1-7
Nowadays, genotoxic impurities in pharmaceuticals at lower levels are of increasing concerns not only to pharmaceutical industries but also for the regulatory agencies due to their risks for human carcinogenesis and, thus, requiring manufacturers to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb062115d132d12678d505b4e3cd7ea4
https://doi.org/10.1080/10826076.2015.1111794
https://doi.org/10.1080/10826076.2015.1111794
Publikováno v:
Scientia Pharmaceutica
Volume 82
Issue 2
Pages 341-356
Volume 82
Issue 2
Pages 341-356
The aim of the current study was to develop a simple, precise, and accurate capillary zone electrophoresis method for the determination of zolpidem tartrate in tablet dosage form. Separation was conducted in normal polarity mode at 25°C, 22 kV, usin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac2a9a4338f356ee8f30b36965036d0d
http://europepmc.org/articles/PMC4065127
http://europepmc.org/articles/PMC4065127
Autor:
Khaldun M. Al Azzam, AbdulKarim-Talaq Mohammad, Gaidaa Abd Alkareem Talk, Abdullah Thamer Hameed, Mohammed Affan Alhamdany
Publikováno v:
Biomedical Chromatography. 33:e4481
A method for digestion of light and medium Iraqi crude oils (Basrah and Khanaken oils) using microwave-induced combustion (MIC) in closed vessels is described for the determination of Hg, Au, Cu, Al, Ca, Co, K, Mg, Si and Sr by inductively coupled pl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab3d54764d00b2f9d910e84a2b4d8c34
https://doi.org/10.1002/bmc.4481
https://doi.org/10.1002/bmc.4481