Figure 2

The phantom test. Microtest tubes were filled with anti-AFP reagents with concentrations of 0.3, 0.2, 0.1, 0.01, and 0.005 emu/g that were 0.25 g in weight. The image process for the optical image, the magnetic images composed of I and only I larger than 50%, and the fused image (A). The dependence of I_max of the red spot in the magnetic image on the sample distance and the sample concentration (B). The dependence of the integral of I on the sample distance and the sample magnetism (C).