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. Author manuscript; available in PMC: 2009 Oct 1.
Published in final edited form as: Bioconjug Chem. 2008 Sep 20;19(10):2049–2059. doi: 10.1021/bc8002919

Figure 3.

Figure 3

The millimolar relaxivities (r1, mM−1s−1) of complexes 1–4 plotted against pH. Values were measured at 60 MHz and 37 °C. The contrast agents are represented as: 1 (closed triangles), 2 (open triangles), 3 (closed circles), and 4 (open circles). Comparison of the closed data points allows correlation of the two DOTA-based ligands. Comparison of the open data points allows correlation of the two DTPA-based ligands.