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. Author manuscript; available in PMC: 2016 Oct 6.
Published in final edited form as: J Nat Sci. 2016;2(4):e187.

Figure 2.

Figure 2

(a) Immobilization of Aβ(14–23) conjugated FNA with AFM tip; the AFM tip was treated with 1-(3-Aminopropyl) silatrane (APS) (step 1), then treatment with the GMBS (step 2), finally with the thiol ended Aβ(14–23) conjugated FNA (step 3); (b) Immobilization of streptavidin protein on the mica surface; the surface was treated with APS (step 1), followed by treatment with the SVA-PEG3400-MAL (step 2), finally treatment with the streptavidin (step 3); (c) Schematic presentation of AFM force spectroscopy set up.