Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Birhanu Mekassa"'
Publikováno v:
Journal of Agriculture and Food Research, Vol 16, Iss , Pp 101086- (2024)
In this study, white sugar samples collected from five Ethiopian sugar manufacturing plants were analyzed for their proximate composition, and trace heavy metals level (Fe, Co, Ni, Mn, Zn, Cr, Cd, and Pb). Human health risk assessments associated wit
Externí odkaz:
https://doaj.org/article/8b4754cde1c04ea0b37120c806380f8e
Publikováno v:
Sensing and Bio-Sensing Research, Vol 16, Iss , Pp 46-54 (2017)
A simple and reproducible poly(l-aspartic acid)/functionalized multi-walled carbon nanotubes composite modified glassy carbon electrode, P(LAsp)/f-MWCNTs/GCE, was constructed for simultaneous determination of caffeine and theophylline using square wa
Externí odkaz:
https://doaj.org/article/9c6f44c6839f431d8ab7b08d105830ac
Publikováno v:
Brazilian Journal of Food Technology, Vol 18, Iss 2, Pp 102-111 (2015)
SummaryThe levels of essential (Ca, Mg, Fe, Zn, Cu, Co, Cr, Mn and Ni) and non-essential (Cd and Pb) metals were determined by flame atomic absorption spectrometry in samples of korarima (Aframomum corrorima) seeds and the corresponding soils collect
Externí odkaz:
https://doaj.org/article/254379b4bf7c443d98dd9ce21cb5c182
Autor:
Tsehay Fikadu, Birhanu Mekassa
Publikováno v:
Bulletin of the Chemical Society of Ethiopia; Vol. 36 No. 3 (2022); 487-501
In this study, the level of selected heavy metals in cement dust, soil and teff samples collected from around Mugher and Habesha cement factories, Ethiopia were determined using flame atomic absorption spectroscopy (FAAS). The collected samples were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::865a5295181f2142456227a683b030b6
https://www.ajol.info/index.php/bcse/article/view/228193
https://www.ajol.info/index.php/bcse/article/view/228193
Publikováno v:
Journal of Solid State Electrochemistry. 22:3607-3619
In this work, nickel nanoparticles (NiNPs) and graphene oxide (GO) were synthesized and characterized independently using spectroscopic and microscopic characterization techniques. Then, a new glassy carbon electrode modified with electrochemically r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57bfc56d8ba083c6f3bcd07c70decd11
https://doi.org/10.1007/s10008-018-4071-3
https://doi.org/10.1007/s10008-018-4071-3
Publikováno v:
IEEE Sensors Journal. 18:37-44
A simple and fast modification of bare glassy carbon electrode (GCE) by electropolymerization of L-aspartic acid (L-Asp) using cyclic voltammetry was reported for the detection of ibuprofen (IBP). The poly(L-Asp)/GCE was characterized by cyclic volta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89a1fd376ad833d8fee38dfd33457f49
https://doi.org/10.1109/jsen.2017.2769137
https://doi.org/10.1109/jsen.2017.2769137
Autor:
Merid Tessema, Francis N. Muya, Birhanu Mekassa, Bhagwan Singh Chandravanshi, Priscilla G. L. Baker
Publikováno v:
Journal of Electroanalytical Chemistry. 807:145-153
A simple and sensitive poly(L-aspartic acid)/electrochemically reduced graphene oxide modified glassy carbon electrode, P(L-Asp)/ERGO/GCE, was constructed by electrochemical reduction of GO drop coated on glassy carbon electrode within 2 mM L-asparti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f6e752339aa62a51acfb8a40fc66e78
https://doi.org/10.1016/j.jelechem.2017.11.045
https://doi.org/10.1016/j.jelechem.2017.11.045
Publikováno v:
Sensing and Bio-Sensing Research, Vol 16, Iss, Pp 46-54 (2017)
A simple and reproducible poly(l-aspartic acid)/functionalized multi-walled carbon nanotubes composite modified glassy carbon electrode, P(LAsp)/f-MWCNTs/GCE, was constructed for simultaneous determination of caffeine and theophylline using square wa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d419f2daa4b6b08cc25dfc2a4bbfde8
https://doi.org/10.1016/j.sbsr.2017.11.002
https://doi.org/10.1016/j.sbsr.2017.11.002
Publikováno v:
Bulletin of the Chemical Society of Ethiopia; Vol 33, No 2 (2019); 215-228
This paper describes the application of nickel nanoparticles decorated electrochemically reduced graphene oxide modified glassy carbon electrode (NiNPs/ERGO/GCE) for the determination of ethambutol (ETB), an anti-Mycobacterium tuberculosis drug. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4075fd741e5ee0672f794d01dfc74238
https://www.ajol.info/index.php/bcse/article/view/188145
https://www.ajol.info/index.php/bcse/article/view/188145