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. 2021 Aug 11;11(8):270. doi: 10.3390/bios11080270

Figure 3.

Figure 3

(a) Schematic of fluorescent dye-coupled VEGF on the microbeads. (b) The microbeads photographed with the longpass filter (>630 nm). (c) The dAb-bound fluorescent dye (green fluorescent protein) detected on the surface of the microbeads. (d) The merged image for the fluorescent dye and the microbeads.