Fig. 5

Clinical application potential of the approach. A Relative miRNA-21 expression calculated by the approach from different amounts of HeLa and MCF-7 cells. a, HeLa (100 cells) and MCF-7 (100 cells); b, HeLa (1000 cells) and MCF-7 (1000 cells); c, HeLa (10 000 cells) and MCF-7 (10 000 cells). B Fluorescence intensities of the approach when detecting miRNA from artificial serum samples