dc.creator | Janošević-Ležaić, Aleksandra | |
dc.creator | Pasti, Igor | |
dc.creator | Vukomanović, Marija | |
dc.creator | Ćirić-Marjanović, Gordana | |
dc.date.accessioned | 2019-09-02T11:39:56Z | |
dc.date.available | 2019-09-02T11:39:56Z | |
dc.date.issued | 2014 | |
dc.identifier.issn | 0013-4686 | |
dc.identifier.uri | https://farfar.pharmacy.bg.ac.rs/handle/123456789/2135 | |
dc.description.abstract | Polyaniline tannate (PANI-TA) solid microspheres were synthesized by the external-template-free oxidative polymerization of aniline with ammonium peroxydisulfate (APS) in aqueous solution of tannic acid (TA). Syntheses were performed using fixed mole ratio [TA]/[aniline] and varying [APS]/[aniline] mole ratios and polymerization times. PANI-TA materials were characterized by scanning and transmission electron microscopies, FTIR and Raman spectroscopies, elemental microanalysis and conductivity measurements, and their structure and properties were compared. The ability of PANI-TA microspheres to act as antioxidants was investigated by cyclic voltammetry using the electrocatalytical reduction of O-2 to the superoxide anion radical (O-center dot(2)-) and analyzing the evolution of the electrochemical response upon successive addition of PANI-TA as a radical scavenger. All synthesized materials showed very good O-center dot(2)- scavenging activity. It was shown that the scavenging activity of PANI-TA can be tuned by the conditions of its synthesis, thus leading to the material showing higher antioxidant activity than pure TA. Observed differences in radical scavenging activities of PANI-TA materials were discussed. | en |
dc.publisher | Pergamon-Elsevier Science Ltd, Oxford | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172043/RS// | |
dc.rights | restrictedAccess | |
dc.source | Electrochimica Acta | |
dc.subject | Copolymerization | en |
dc.subject | Aniline | en |
dc.subject | Tannic acid | en |
dc.subject | Superoxide anion radical scavenging | en |
dc.subject | Cyclic voltammetry | en |
dc.title | Polyaniline tannate - Synthesis, characterization and electrochemical assessment of superoxide anion radical scavenging activity | en |
dc.type | article | |
dc.rights.license | ARR | |
dcterms.abstract | Пасти, Игор; Вукомановић, Марија; Ћирић-Марјановић, Гордана; Јаношевић-Лежаић, Aлександра; | |
dc.citation.volume | 142 | |
dc.citation.spage | 92 | |
dc.citation.epage | 100 | |
dc.citation.other | 142: 92-100 | |
dc.citation.rank | M21 | |
dc.identifier.wos | 000343626400012 | |
dc.identifier.doi | 10.1016/j.electacta.2014.07.073 | |
dc.identifier.scopus | 2-s2.0-84906658258 | |
dc.type.version | publishedVersion | |