Fig. 3From: Gold Nanoparticles for DNA/RNA-Based DiagnosticsGold nanoparticle-based colorimetric assays, (a) colorimetric assay based on naked AuNPs, (b) cross-linking hybridization assay, (c) non-cross-linking hybridization assay (Reproduced from Larguinho and Baptista [92] with permission from Elsevier)Back to chapter page