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. 2019 Jun 6;19(11):2584. doi: 10.3390/s19112584

Figure 3.

Figure 3

(A) Typical amperometric I-t response and calibration curve (inset) during successive 100 μM injections of uric acid at a Pt-Ir wire electrode modified with UOx-doped HMTES xerogel, undoped HMTES xerogel, polyluminol-polyaniline (PL-A), and polyurethane layer (100% HPU), and epoxy cap; (B) Typical amperometric I-t response and (C) calculated selectivity coefficients during successive injections of common interferent species (40 μM) and uric acid (100 μM and/or 300 μM) at a Pt-Ir wire electrode modified as in (A); Solution: 60.0 mM PBS, pH = 7.4, μ = 155 mM. Note: Error bars represent standard error (n ≥ 10).