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The results of the HBV DNA assay with silicon-nanoparticle (SiNP) enhanced dynamic microcantilevers: (a) plots of the resonant frequency shifts acquired from the HBV DNA assay and the SiNP enhanced HBV DNA assay; (b) SEM image of the microcantilever surface with the captured SiNPs at 2.3 pM HBV target DNA, and the fluorescent images of the microcantilevers; (c) top side and (d) bottom side at 2.3 pM (reprinted from [72] with permission).
