Abstract
Peculiarities of electrochemical behavior of the Fe3O4 magnetic nanoparticles immobilized on the surface of a platinum electrode in aprotic organic media were investigated. Possible scheme of electrochemical behavior of nanoparticles depending on pre-electrolysis potential (–1.3,–2.5 V) was suggested. The effect of pre-electrolysis time, potential scan rate and nature of supporting electrolyte on the processes investigated was determined. A linear dependence of electrochemical oxidation signal versus the concentration of nanoparticles in modifying suspension in the concentration range of 0.05—0.5 g L–1 was observed. The results of the performed research allow using magnetite nanoparticles as a direct signal-generating label in electrochemical immunoassay.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 3, pp. 0697—0703, March, 2016.
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Kozitsina, A.N., Svalova, T.S., Glazyrina, T.A. et al. Study of electrochemical behavior of the Fe3O4 nanoparticles in aprotic media. Russ Chem Bull 65, 697–703 (2016). https://doi.org/10.1007/s11172-016-1359-2
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DOI: https://doi.org/10.1007/s11172-016-1359-2