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. Author manuscript; available in PMC: 2013 Sep 18.
Published in final edited form as: Anal Chem. 2012 Aug 31;84(18):8067–8074. doi: 10.1021/ac3019813

Figure 4.

Figure 4

The concentration-dependent sensor response for direct (a–c) and bead-enhanced (d–f) mRNA detection. In each trace sample or beads was injected at t=0 minutes. Direct hybridization responses (a–c) were quantitated at 60 minutes and bead-enhanced responses (d–f) at 45 minutes. These pseudo-equilibrium time points were as a balance between minimizing total assay time while still maintaining quantitation capabilities. Calibration plots (g–i) demonstrate the full 3–4 order of magnitude dynamic range achieved combining direct and bead-based detection.