Fig. 2From: A micro-/nano-chip and quantum dots-based 3D cytosensor for quantitative analysis of circulating tumor cellsThe three-color immunocytochemistry technique with Alexa Fluor® 488-labeled anti-CK, PE-labeled anti-CD45 and Hoechst nuclear staining was used to distinguish a CTCs from b non-specifically trapped WBCs on the 3D micro-/nano-chip. c Isolation of CTCs from mixed cell suspension on 3D bionic interfaceBack to article page