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. 2022 Mar 23;1205:339718. doi: 10.1016/j.aca.2022.339718

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Fig. 4 — Immunosensor specificity when detecting 1 μg/mL spike, RBD and β-1,4-GALT-5 proteins and 1 × 10⁵ copies/mL MERS, SARS-CoV-1, SARS-CoV-2 and VSV pseudovirion supernatants. Statistically significant differences (a) with respect to the negative control and (b) with respect to the commercial spike protein, ∗∗∗(p < 0.001), ∗∗(p < 0.01), ∗(p < 0.05) and – (p > 0,05).