Fig. 4From: Binary-blend fibber-based capture assay of circulating tumor cells for clinical diagnosis of colorectal cancerLSCM images of a FITC-streptavidin-modified N50/P50 and b the sample in (a) after the immunosorbent reaction with Cy5-biotin. c Grafting density of anti-EpCAM on the N50/P50 before and after incubation in PBS for 3 h (p value < 0.04)Back to article page