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Protein chips are widely used for high-throughput proteomic analysis, but to date, the low sensitivity and narrow dynamic range have limited their capabilities in diagnostics and proteomics. Here we present protein microarrays on a novel nanostructured, plasmonic gold film with near-infrared fluorescence enhancement of up to 100-fold, extending the dynamic range of protein detection by three orders of magnitude towards the fm regime. We employ plasmonic protein microarrays for the earlydoi:10.1038/ncomms1477 pmid:21915108 pmcid:PMC3402035 fatcat:v55vm4lakne7tmone75vr3e35i