Figure 5

Macroscopic photographs of the different C-dots-imbedded agarose gel slices patterned with a “Christmas tree” under (a) white light and (b) UV lamp (350 nm) illumination. (c) The “Christmas tree” pattern. (d-e) Fluorescence microscope images of the different colored C-dots on PDMS chips with strips and “CIAC” pattern (λex = 430 nm).