Table 4. Summary of Percent Bound Probe Gd(4b), Gd(5b), and Gd(6)20 in 4.5% (w/v) HSA as Well as Corresponding Observed Relaxivity Data in PBS and 4.5% (w/v) HSA at 37 °C.
Gd(4b)/PBS | Gd(4b)/HSA | Gd(5b)/PBS | Gd(5b)/HSA | Gd(6)/PBS | Gd(6)/HSA | |
---|---|---|---|---|---|---|
% bound to HSA | 88 | 70 | 70 | |||
20 MHz (mM–1 s–1) | 3.9 | 19 | 3.2 | 9 | 5.6 | 37 |
60 MHz (mM–1 s–1) | 3.8 | 14 | 3.0 | 7.8 | 4.8 | 22 |