High-Affinity Detection of Alpha-Synuclein by Aptamer-Gold Conjugates on an Amine-Modified Dielectric Surface

Figure 3

Possible secondary structures of the alpha-synuclein aptamer. (a) Structure 1. (b) Structure 2. Both structures show 4 loop and 3 stem regions. (c) Comparison and energy levels (dG) of both structures.

(a)

(b)

(c)