Skip to main content
. Author manuscript; available in PMC: 2009 Oct 1.
Published in final edited form as: Anal Chem. 2009 Jul 1;81(13):5426–5432. doi: 10.1021/ac9005827

Figure 5.

Figure 5

Schematic representations of (A) the typical microsphere “sandwich” immunoassays and (B) the signal modification for the immunoassay by the addition of biotinylated anti-streptavidin for additional streptavidin-phycoerythrin labeling.