Fig. 3From: Plasmonic ELISA for Sensitive Detection of Disease Biomarkers with a Smart Phone-Based ReaderMechanism of smart phone-based plasmonic immunoassay reader. a Schematic of the 3D-printed accessory of smart phone-based plasmonic immunoassay reader. Transmitted light intensity of AuNRs was measured by ALS of the smart phone and the value was displayed onto a screen. b The correlation between results from the smart phone based plasmonic immunoassay reader and those from the commercial microplate reader. Each value presents the mean from three replicatesBack to article page