Impedimetric IgG-Biosensor with In-Situ Generation of the Redox-Probe†
AbstractFor most electrochemical impedance spectroscopy measurements Ferro-/Ferricyanide is used as redox-probe, but it has limitations in its application for biosensors based on gold electrodes because of chemical degradation induced by the Ferro-/Ferricyanide. The in-situ reduction of [Ru(NH3)6]3+ to [Ru(NH3)6]2+ by means of a direct current during EIS measurements is introduced to generate a stable redox-probe for biosensors. This method of enhanced EIS measurement has been applied to determine the charge transfer resistance of a human-IgG biosensor with a linear range from 0.9 to 50 mg/L IgG.
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Schrattenecker, J.D.; Heer, R.; Hainberger, R.; Fafilek, G. Impedimetric IgG-Biosensor with In-Situ Generation of the Redox-Probe. Proceedings 2017, 1, 534.
Schrattenecker JD, Heer R, Hainberger R, Fafilek G. Impedimetric IgG-Biosensor with In-Situ Generation of the Redox-Probe. Proceedings. 2017; 1(4):534.Chicago/Turabian Style
Schrattenecker, Julian D.; Heer, Rudolf; Hainberger, Rainer; Fafilek, Günter. 2017. "Impedimetric IgG-Biosensor with In-Situ Generation of the Redox-Probe." Proceedings 1, no. 4: 534.
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