ArticleMikrochimica acta2025
Cobalt ferrite magnetic nanoparticles as stirring actuators to improve UV-Vis spectroelectrochemical measurements in normal reflection mode.
Article in Mikrochimica acta, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Spectroelectrochemical (SEC) measurements using UV-Vis radiation in normal reflection mode (or normal configuration) are less sensitive than parallel approaches, since the volume of sample monitored has a much lower proportion of the diffusion layer created by the electrochemical processes, i.e., the region where relevant optical changes take place. In contrast, the normal configuration is more robust and reproducible and, as of today, is the only commercially available. This work presents a strategy to enhance normal reflection SEC measurements of Fe(III)/(II)-orthophenanthroline system using a screen-printed carbon electrode (SPCE), improving competitiveness with parallel designs. This method required the design of a new measuring cell based on the geometry of the commercial one, but replacing the eight magnets by a non-magnetic closing system. The developed approach involves adding cobalt ferrite magnetic nanoparticles (CoFe
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