2017
DOI: 10.1039/c7ay00244k
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Sensitive validated voltammetric determination of apixaban using a multi-walled carbon nanotube-modified carbon paste electrode: application to a drug product and biological sample

Abstract: A sensitive, accurate and precise voltammetric method was developed and validated for the determination of a selective factor Xa inhibitor apixaban in drug substances using a multi-walled carbon nanotube-modified carbon paste electrode (MWCNT/CPE).

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Cited by 13 publications
(9 citation statements)
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“…However, the impact of morphological and topological characters after ORC treatment in generating more current response through the oxidation and reduction reaction of ferri/ferrocyanide ions onto the surface was conspicuously displayed in more significant current-based peak-to-peak separation in Figure 4B, as well as being indicative of the more substantial diffusion coefficient. The electroactive surface area and diffusion coefficient were calculated using the mechanism based on electron transfer via the Randles-Sevcik equation [39][40][41]:…”
Section: Electroactive Surface Area Of the Orc Nanorestructured Au Su...mentioning
confidence: 99%
See 1 more Smart Citation
“…However, the impact of morphological and topological characters after ORC treatment in generating more current response through the oxidation and reduction reaction of ferri/ferrocyanide ions onto the surface was conspicuously displayed in more significant current-based peak-to-peak separation in Figure 4B, as well as being indicative of the more substantial diffusion coefficient. The electroactive surface area and diffusion coefficient were calculated using the mechanism based on electron transfer via the Randles-Sevcik equation [39][40][41]:…”
Section: Electroactive Surface Area Of the Orc Nanorestructured Au Su...mentioning
confidence: 99%
“…However, neuron loss and the progressive accumulation in neurotic (senile) plaques and blood vessel walls of paired helical filament (PHF), such as Neurofibrillary tangling (NFT), are essential factors. Furthermore, a peptide made up of amino acid residue, called an β-amyloid -peptide (Aβ), consists of a sequence cleavage of β and β-secretase amyloid precursor protein (APP) (39)(40)(41)(42) and is the most prevalent element of neurotic plaques [12]. Besides, insoluble aggregates of the β-amyloid peptides Aβ and Aβ , which have been shown to be associated with Alzheimer's illness, are notably generated [13].…”
Section: Introductionmentioning
confidence: 99%
“…Carbon paste electrode (CPE) was prepared by mixing well 0.5 gm of graphite powder with nearly 0.2 mL paraffin oil(40 %v/w) in a mortar, then it was packed into the electrode body with inner diameter 3 mm and smoothed against filter paper to obtain a shiny surface [38].…”
Section: Working Electrodesmentioning
confidence: 99%
“…Diferentes modificadores são utilizados para o preparo dos CMCPE empregados na determinação de fármacos em formulações farmacêuticas e fluídos biológicos. Dentre eles pode-se destacar: nanotubos de carbono de paredes múltiplas [46], nanopartículas de metais [47,48], zeólitas [49], óxido de grafeno [50], compostos inorgânicos [51], sílica funcionalizada [52], entre outros.…”
Section: Eletrodos De Pasta De Carbono Quimicamente Modificados -Cmcpeunclassified