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. Author manuscript; available in PMC: 2017 Aug 26.
Published in final edited form as: ACS Sens. 2016 Jul 21;1(8):1036–1043. doi: 10.1021/acssensors.6b00256

Figure 4.

Figure 4

Multiplexed biomarker protein detection. DPV peaks developed after the capture of the Ag-Ab2-MNP-HRP conjugates on the immunoarrays using 1 mM hydroquinone and 100 μM H2O2 for (a) PSA, (b) IL-6, (c) PF-4, and (d) PSMA in 150× diluted calf serum. DPV was done at 4 mV step, 25 mV pulse amplitude, and 15 Hz frequency vs Ag/AgCl from 0.0 V to −0.4 V.