Fig. 1. (A) R1 of GBCAs (1 mM) in the presence of HPTS at variable concentration (0–40 mM); (B) R1 of Gd-HPDO3A (1 mM) in the presence of pyrene derivatives at variable concentration (1–40 mM). B0 = 0.5 T, T = 25 °C, pH = 7.0 ± 0.1.
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