Abstract:Gold labeled immunochromatography assay is widely used in many fields. Quantitative test can be realized by using a reflectance photometer. However, theoretical analysis of the strip and the photometer has seldom been reported. In this paper, the microstructure of immunochromatographic strip labeled by nanogold particles is analyzed with scanning electron microscope (SEM). Based on the SEM images of the strip, Mie's scattering theory is used to investigate the scattering behaviors of particles in the strip, an… Show more
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