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. 2021 Jun 11;7(24):eabc1640. doi: 10.1126/sciadv.abc1640

Fig. 2. Flowchart of the fabrication of bimetallic nanopatterns functionalized with two different biomolecules.

Fig. 2

(A) Fabrication of heterogeneous metallic arrays. False-colored scanning electron micrograph of (B) colocalized nanodots, (C) nanodots separated by ~20-nm gap, and (D) nanodots separated by ~40-nm gap. (E) Segregation control via evaporation angle. (F) Functionalization scheme. (G) Scheme of the fluorescent labeling of the functionalized nanodots. (H to J) Fluorescent imaging of a functionalized array taken in the green channel, the red channel, and their merge, respectively.