Fig. 2From: Smartphone-Based Dual-Modality Imaging System for Quantitative Detection of Color or Fluorescent Lateral Flow Immunochromatographic Strips a The closed shell module. b The work schematic of the smartphone detector device and schematic illustration of dual-modality imaging system. When color strips were test, the white LED turned on and the UV LED turned off. While the UV LED turned on, the fluorescent strips were to be testedBack to article page