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. Author manuscript; available in PMC: 2016 Jan 19.
Published in final edited form as: Anal Chim Acta. 2014 Oct 12;853:95–115. doi: 10.1016/j.aca.2014.10.009

Figure 3.

Figure 3

Overview of bead-based immunoassays. Different color-coded beads with dyes that fluoresce either red or green are used. The instrument measures the bead color intensity and the mean fluorescence intensity of the labeled detection antibody which is typically labeled with a streptavidin/phycoerythrin (PE) conjugate.