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. 2019 Dec 20;7(4):763–774. doi: 10.1093/nsr/nwz215

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© The Author(s) 2019. Published by Oxford University Press on behalf of China Science Publishing & Media Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — (A₁–H₁) CD spectra of 20 μmol·L⁻¹ Aβ₄₀: black curves (0 h) denoting 0 h prior to incubation; blue curves (72 h) denoting pre-incubation for 72 h; red curves (120 h) denoting the co-incubation for 48 h of preformed Aβ₄₀ fibrils in the (A₁) absence or presence of 50 mg·L⁻¹ (B₁) Cys-AuNCs, (C₁) CSH-AuNCs, (D₁) p-MBA-AuNCs, (E₁) MPA-AuNCs, (F₁) GSH-AuNCs, (G₁) NIBC-AuNCs and (H₁) CR-AuNCs. (A₂–H₂) AFM images of the samples at the end of CD experiments (120 h): (A₂) blank control, (B₂) Cys-AuNCs, (C₂) CSH-AuNCs, (D₂) p-MBA-AuNCs, (E₂) MPA-AuNCs, (F₂) GSH-AuNCs, (G₂) NIBC-AuNCs and (H₂) CR-AuNCs.