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. 2017 Dec 26;18(1):55. doi: 10.3390/s18010055

Figure 5.

Figure 5

(a) Picture of the capillary tubes that had undergone “AuNP capillary ELISA” either under PBS or serum, and (b) their logarithmic plot of optical density expressed in voltage against CRP concentration with the inset representing linear plot in the lower concentration range.