Figure 3 | Scientific Reports

Figure 3

From: Reversible self-assembly of gels through metal-ligand interactions

Figure 3

Picture of macroscopic discrimination by L-His (2.9) gel (red) between Fe-Por (1.3) gel (brown) and Zn-Por (1.6) gel (red-brown).

Fe-Por (1.3) gel, Zn-Por (1.6) gel (red-brown) and L-His (2.9) gel (red) were placed in a petri dish. The addition of an 80 mM Tris-acetate buffer (pH 9.0) and agitation for a few minutes selectively formed an alternating self-assembly of Fe-Por (1.3) gel and L-His (2.9) gel.

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