CD studies of Aβ with NQTrp.

<p>CD spectrum of Aβ<sub>1–42</sub>. Concentration indicated as Aβ∶NQTrp molar ratio. Control - Aβ<sub>1–42</sub> only (black), 1∶60 (grey), 1∶30 (blue), 1∶1 (orange), 5∶1 (red).</p>