全部文献期刊会议图书|学者科研项目
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作者:Amir M. Ashrafi , Nupur Gupta , David Neděla
来源:[J].Journal of Membrane Science(IF 4.093), 2017, Vol.544, pp.195-207
摘要:Abstract(#br)Four types of bipolar membranes (BMs) with different structural properties were subjected to various electrochemical methods including current-voltage curve, (CVC) chronopotentiometry, and impedance spectroscopy, to be characterized in terms of selectivity, energy co...
作者:Amir M. Ashrafi , Zoltán Kónya ...
来源:[J].Microchemical Journal(IF 2.879), 2019, Vol.146, pp.178-186
摘要:Abstract(#br)Bismuth-oxychloride-multiwalled carbon nanotube composite material was applied as surface modifier of glassy carbon electrode (BiOCl-MWCNT/GCE) for rapid and reliable trace level determination of Zn(II) in selected foodstuffs. The method development encompasses ...
作者:Arthur Merkel , Amir M. Ashrafi , Jiří Ečer
来源:[J].Journal of Membrane Science(IF 4.093), 2018, Vol.555, pp.185-196
摘要:Abstract(#br)The neutralization of milk whey after the electrodialysis (ED) is usually carried out by direct addition of NaOH or KOH solution. However, the addition of these solutions results in an increase in total solids and ash content of the whey sample. In this work, electro...
作者:Amir M. Ashrafi , Milan Sýs ...
来源:[J].Sensors(IF 1.953), 2019, Vol.19 (13)
摘要:The inhibition effect of the selected heavy metals (Ag+, Cd2+, Cu2+, and Hg2+) on glucose oxidase (GOx) enzyme from Aspergillus niger (EC 1.1.3.4.) was studied using a new amperometric biosensor with an electrochemical transducer based on a glassy carbon electrode (GCE) cove...
作者:Amir M. Ashrafi , Ivan Švancara ...
来源:[J].Talanta(IF 3.498), 2015, Vol.134, pp.640-649
摘要:Abstract(#br)Two multiwalled carbon nanotubes-based composites modified with bismuth and bismuth-oxychloride particles were synthesized and attached to the glassy carbon electrode substrate. The resultant configurations, Bi/MWCNT-GCE and BiOCl/MWNT-GCE, were then characteriz...
作者:Amir M. Ashrafi , Mehmet Gumustas ...
来源:[J].Electrochimica Acta(IF 3.777), 2013, Vol.109, pp.381-388
摘要:Abstract(#br)The detailed electrochemical oxidation and selective determination of fosamprenavir were studied in aqueous-alcohol medium at a carbon paste electrode. Electrochemical behavior of fosamprenavir was investigated as details by different electrochemical techniques ...
作者:Amir M. Ashrafi , Sevinc Kurbanoglu ...
来源:[J].Journal of Electroanalytical Chemistry(IF 2.672), 2014, Vol.712, pp.178-184
摘要:Abstract(#br)Multiwalled carbon nanotube modified edge plane pyrolytic graphite electrode (MWCNT/EPPGE) was developed and implemented for the determination of antiretroviral drug Abacavir using differential pulse adsorptive stripping voltammetry (DP AdSV). Cyclic voltammogra...
作者:Amir M. Ashrafi , Sandra Cerovac ...
来源:[J].Sensors & Actuators: B. Chemical(IF 3.535), 2014, Vol.191, pp.320-325
摘要:Abstract(#br)A nanocomposite based on multiwalled carbon nanotubes (MWCNT) modified with antimony nanoparticles (SbNPs) was synthesized chemically and has been applied to construct an electrode using carbon paste as substrate (SbNP-MWCNT). The developed electrode was applied...
作者:Amir M. Ashrafi , Karel Vytřas
来源:[J].Talanta(IF 3.498), 2011, Vol.85 (5), pp.2700-2702
摘要:Abstract(#br)A new procedure was elaborated to determine mercury(II) using an anodic stripping square-wave voltammetry at the antimony film carbon paste electrode (SbF-CPE). In highly acidic medium of 1 M hydrochloric acid, voltammetric measurements can be realized in a wide pote...
作者:Amir M. Ashrafi , Karel Vytřas
来源:[J].Electrochimica Acta(IF 3.777), 2012, Vol.73, pp.112-117
摘要:Abstract(#br)Two new procedures were elaborated to determine copper (II) using voltammetry at the antimony film carbon paste electrodes (SbF-CPEs). In the first one, copper (II) was accumulated from a medium of 0.01 M hydrochloric acid at −1.2 V for 120 s and, after a equili...

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