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. Author manuscript; available in PMC: 2013 Aug 1.
Published in final edited form as: Nanomedicine. 2011 Nov 22;8(6):1017–1025. doi: 10.1016/j.nano.2011.11.009

Figure 5. Fractional increase in mass due to bound AuNPs.

Figure 5

Following a sandwich hybridization, the number of AuNPs bound to NRs was counted by FE-SEM, and their mass is shown plotted against measured fractional change (left-shift) in frequency, for several RhNWs subjected to the sandwich hybridization assay with complementary probe-PCA3 target RNA combination. Data points and the best fit line through the origin show a slope of 2, in agreement with the expectation for small mass loading of a linear, single-degree-of-freedom resonator.