Fig. 7From: Smartphone-Based Dual-Modality Imaging System for Quantitative Detection of Color or Fluorescent Lateral Flow Immunochromatographic Strips a Different concentrations of the colloidal gold strips for HCG. b Different concentration of the fluorescence strips for CEA. c Colloidal gold strip signal intensity. d Standard curve for quantitative detection of HCG. e Fluorescent strip signal intensity. f Standard curve for quantitative detection of CEABack to article page