Fig.2

EpCAM-MIL, EGFR-MIL, HER-2-MIL, and MUC-1-MIL Characterization test. a Western Blot(WB) results for four magnetic spheres; b magnetization curve of four magnetic balls; c Ultraviolet test results of four magnetic balls; d observation result of four magnetic balls by atomic force microscopy(AFM)