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. 2011 Jan 7;286(11):9646–9656. doi: 10.1074/jbc.M110.177246

FIGURE 7.

FIGURE 7.

The morphology of the Aβ aggregates in the presence of different metal ions. The end point products of Aβ after aggregation were monitored by TEM in the indicated metal ion concentrations. Zn2+ promoted oligomer formation in a concentration-dependent manner, whereas others in general reduced fibril formation and increased amorphous aggregates. Oligomers and fibrils were observed to co-exist in the presence of 100 μm Al3+. The scale bars are 200 nm.