Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Amir M. Ashrafi"'
Publikováno v:
Materials Today Bio, Vol 20, Iss , Pp 100656- (2023)
Gold nanozymes (GNZs) have been widely used in biosensing and bioassay due to their interesting catalytic activities that enable the substitution of natural enzyme. This review explains different catalytic activities of GNZs that can be achieved by a
Externí odkaz:
https://doaj.org/article/126471b12528451a866c0804e762fd19
Autor:
Kledi Xhaxhiu, Amir M. Ashrafi, Marek Dvořák, Atripan Mukherjee, Roman Guráň, Ondřej Zítka, Lukáš Richtera
Publikováno v:
Results in Chemistry, Vol 5, Iss , Pp 100967- (2023)
The catechin (CAT)-equivalent of flavonoids content of plant derived-beverages (PDBs) was estimated by partial extraction into the bare carbon paste and subsequent determination by differential pulsed voltammetry (DPV). The selectivity of the method
Externí odkaz:
https://doaj.org/article/8e0e226d4f7b4ca78d2580784e5fbf06
Electrochemical Behaviour of Tocopherols: Possibilities of Their Simultaneous Voltammetric Detection
Autor:
Granit Jashari, Gylxhane Kastrati, Lucie Korecká, Radovan Metelka, Milan Sýs, Amir M. Ashrafi
Publikováno v:
Applied Sciences, Vol 11, Iss 17, p 8095 (2021)
An electroanalytical study for possible simultaneous detection of three naturally occurring isomers of vitamin E (α, γ, and δ-tocopherol) was performed. This research includes several optimization steps, such as selection of electrode material, co
Externí odkaz:
https://doaj.org/article/2a975d590c9e48fea62d0bcfc56aa571
Autor:
Atripan Mukherjee, Amir M. Ashrafi, Pavel Svec, Lukáš Richtera, Jan Přibyl, Martin Brtnický, Jindrich Kynicky, Vojtěch Adam
Publikováno v:
Applied Sciences, Vol 10, Iss 19, p 6756 (2020)
A comparative study was carried out using magnetic nanoparticles (MNPs) for the fabrication of non-enzymatic sensors for the continuous and rapid detection and monitoring of H2O2. Various MNPs, differing in terms of their synthesis procedure and modi
Externí odkaz:
https://doaj.org/article/31a8575fe51441df8c6861734b48912c
Autor:
Arbër Frangu, Amir M. Ashrafi, Milan Sýs, Tahir Arbneshi, Radovan Metelka, Vojtěch Adam, Milan Vlček, Lukáš Richtera
Publikováno v:
Applied Sciences, Vol 10, Iss 7, p 2497 (2020)
In this contribution, Trolox equivalent antioxidant capacity (TEAC) was determined in various berries using carbon paste tyrosinase biosensor with multi-walled carbon nanotubes (MWCNTs), coated with Nafion® layer. Electrochemical behaviour of the bi
Externí odkaz:
https://doaj.org/article/85c49277098a42518642bc6a6eea97fa
Autor:
Amir M. Ashrafi, Milan Sýs, Eliška Sedláčková, Amir Shaaban Farag, Vojtěch Adam, Jan Přibyl, Lukáš Richtera
Publikováno v:
Sensors, Vol 19, Iss 13, p 2939 (2019)
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 ca
Externí odkaz:
https://doaj.org/article/4b2991049cc24753b5180f3d597b0981
Autor:
Amir M. Ashrafi, Lukáš Richtera
Publikováno v:
Molecules, Vol 24, Iss 12, p 2215 (2019)
Determination of an antihyperlipidemic drug simvastatin (SIM) was carried out using a carbon paste electrode bulk-modified with multiwalled carbon nanotubes (MWCNT-CPE). Scanning electrochemical microscopy (SECM), scanning electron microscopy (SEM),
Externí odkaz:
https://doaj.org/article/7994449c0ab74a6280b6eb3fd5432316
Publikováno v:
Electroanalysis.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e617c96bf7e67fb0e909975cecb9ed47
https://doi.org/10.1002/elan.202200446
https://doi.org/10.1002/elan.202200446
Autor:
Atripan Mukherjee, Géza Nagy, Ricardo M. Souto, Amir M. Ashrafi, Vojtech Adam, Pavel Svec, Frantisek Petrlak, Lukas Richtera, Lívia Nagy, Abdelilah Asserghine, Zbynek Heger
Publikováno v:
ACS applied materialsinterfaces. 13(36)
Recently, the cytotoxic properties of galvanically coupled Ti-Mg particles have been shown in different cells. This cytotoxic effect has been attributed mainly to Mg due to its tendency to undergo activation when coupled with Ti, forming a galvanic c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ccd65bc34e9149363173847b68d2fbe
https://pubmed.ncbi.nlm.nih.gov/34473486
https://pubmed.ncbi.nlm.nih.gov/34473486