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. Author manuscript; available in PMC: 2014 Aug 26.
Published in final edited form as: Angew Chem Int Ed Engl. 2012 Oct 10;51(45):11325–11327. doi: 10.1002/anie.201206389

Figure 2.

Figure 2

(a) AFM image of heterogeneous assembly of QDs and AuNPs on rectangle DNA origami template. A two- step annealing process was used: AuNPs self-assembled to origami template from 47 °C to RT over 18 hr, then the product of AuNPs/origami was incubated with QDs at RT keeping another 18hr. The scale bar is 200 nm. (b) Cross-section profile analysis showing the height difference between QDs and AuNPs. (Note: Due to the strong adhesion of the DNA origami to the mica substrate, some deformation may occur; it is therefore difficult to discern in the AFM on which side of the scaffold a particle is located.)