Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Hatem Elmongy"'
Autor:
Hytham Ahmed, Abdel-Aziz Wahbi, Hatem Elmongy, Ahmad Amini, Hirsh Koyi, Eva Branden, Mohamed Abdel-Rehim
Publikováno v:
International Journal of Analytical Chemistry, Vol 2021 (2021)
In the present work, the determination of omeprazole (OME) enantiomers in oral fluid and plasma samples was carried out utilizing microextraction by packed sorbent (MEPS) and liquid chromatography-tandem mass spectrometry. A chiral column with cellul
Externí odkaz:
https://doaj.org/article/342d5c0bb49d4982b751c68057c08e3d
Autor:
Abdel-Aziz M. Wahbi, Hirsh Koyi, Ahmad Amini, Eva Brandén, Hatem Elmongy, Hytham M. Ahmed, Mohamed Abdel-Rehim
Publikováno v:
International Journal of Analytical Chemistry
International Journal of Analytical Chemistry, Vol 2021 (2021)
International Journal of Analytical Chemistry, Vol 2021 (2021)
In the present work, the determination of omeprazole (OME) enantiomers in oral fluid and plasma samples was carried out utilizing microextraction by packed sorbent (MEPS) and liquid chromatography-tandem mass spectrometry. A chiral column with cellul
Autor:
Magnus Ericsson, Hatem Elmongy, Mikael Lehtihet, Hasanuzzaman Bhuiyan, Lena Ekström, Tobias Sieckmann
Publikováno v:
Drug Testing and Analysis. 12:711-719
The detection of low doses of recombinant growth hormone is a challenge in antidoping testing. Future testing may lead toward the longitudinal monitoring of IGF-I and P-III-NP in an endocrine module. Additional biomarkers, for example vitamin D bindi
Autor:
Hatem Elmongy, Mohamed Abdel-Rehim
Publikováno v:
TrAC Trends in Analytical Chemistry. 83:70-79
Saliva provides a suitable medium for screening and determination of drugs. It is easy to collect and handle besides the non-invasive sampling. Extraction techniques such as micro-extraction by packed sorbent (MEPS) and dried saliva spot (DSS) provid
Autor:
Ahmad Amini, Abdel-Aziz M. Wahbi, Anders Colmsjö, Hatem Elmongy, Hytham M. Ahmed, Mohamed Abdel-Rehim
Publikováno v:
Biomedical Chromatography. 30:1309-1317
A sensitive, accurate and reliable bioanalytical method for the enantioselective determination of metoprolol in plasma and saliva samples utilizing liquid chromatography-electrospray ionization tan ...
Publikováno v:
Journal of Chromatography A. 1418:110-118
An Online post-column solvent-assisted ionization (OPSAI) method was developed for enhancing the ionization of the beta-blocker propranolol utilizing normal phase LC-MS/MS. Solvent-assisted electrospray ionization (SAESI) was studied by the introduct
Publikováno v:
Journal of Chromatography A. 1613:460686
Being performance enhancing hormones, endogenous anabolic androgenic steroids (EAAS) are banned from most competitive sports by the World Anti-doping Agency (WADA). In anti-doping control laboratories, routine assays are mainly performed on urine sam
Publikováno v:
Asian Journal of Chemistry. 27:3831-3837
Publikováno v:
Talanta. 130:506-517
An enantioselective high performance liquid chromatographic method with diode array detection (HPLC-DAD) was developed and validated for the determination of etodolac enantiomers in tablets and human plasma. Enantiomeric separation was achieved on a
Autor:
Hatem Elmongy
Publikováno v:
Medicinal & Analytical Chemistry International. 1