{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T05:02:18Z","timestamp":1789621338266,"version":"build-2803163510"},"reference-count":37,"publisher":"MDPI AG","issue":"18","license":[{"start":{"date-parts":[[2026,9,14]],"date-time":"2026-09-14T00:00:00Z","timestamp":1789344000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>Both bulk solution properties and the molecular organisation of the electrode\/solution interface may influence the kinetics and reversibility of an electrode process. In this study, the effects of acetonitrile (ACN) and 2-thiouracil (2-TU) in an acidic perchlorate medium on the electroreduction of Bi(III) ions were investigated. A cyclically renewable liquid silver amalgam film electrode (R-AgLAFE) was used as the working electrode as an alternative to classical mercury electrodes. Direct current polarography (DC), square-wave voltammetry (SWV), cyclic voltammetry (CV), and differential capacitance measurements were used. Increasing the ACN content from 0(v\/v) to 50%(v\/v) decreased the current response, Dox, and effective kinetic parameters \u03b1 and ks,app while increasing \u0394Ep, indicating decreased apparent reversibility of the electrode process. The addition of 2-TU caused a pronounced increase in the SWV peak current and a decrease in the difference between the anodic and cathodic peak potentials. In the 50%(v\/v) ACN solution, the accelerating effect was weakest at the highest 2-TU concentration. The differential capacitance measurements provided evidence consistent with significant reorganisation of the interfacial layer. Overall, the observed acceleration associated with 2-TU is consistent with adsorption-dependent interfacial effects and the possible participation of labile Bi(III)\u20132-TU-associated species in the near-electrode region.<\/jats:p>","DOI":"10.3390\/molecules31183260","type":"journal-article","created":{"date-parts":[[2026,9,14]],"date-time":"2026-09-14T15:19:04Z","timestamp":1789399144000},"page":"3260","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Kinetic and Interfacial Aspects of Bi(III) Ion Electroreduction in the Presence of Acetonitrile and 2-Thiouracil"],"prefix":"10.3390","volume":"31","author":[{"given":"Alicja Natalia","family":"Pawlak","sequence":"first","affiliation":[{"name":"Department of Analytical Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sk\u0142odowska University, Maria Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9851-9438","authenticated-orcid":false,"given":"Agnieszka","family":"Nosal-Wierci\u0144ska","sequence":"additional","affiliation":[{"name":"Department of Analytical Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sk\u0142odowska University, Maria Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert","family":"Pietrzak","sequence":"additional","affiliation":[{"name":"Faculty of Chemistry, Adam Mickiewicz University in Pozna\u0144, Uniwersytetu Pozna\u0144skiego 8, 61-614 Pozna\u0144, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sebastian","family":"Grzyb","sequence":"additional","affiliation":[{"name":"Warsaw Medical and Technical Academy of Applied Sciences, Bitwy Warszawskiej 1920 r. 18, 02-366 Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4607-3523","authenticated-orcid":false,"given":"Selehattin","family":"Yilmaz","sequence":"additional","affiliation":[{"name":"Department of Chemistry-Analytical Chemistry, Faculty of Science, \u00c7anakkale Onsekiz Mart University, \u00c7anakkale 17100, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,9,14]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"3218","DOI":"10.1021\/ac000108x","article-title":"Bismuth-coated carbon electrodes for anodic stripping voltammetry","volume":"72","author":"Wang","year":"2000","journal-title":"Anal. 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