Table 3. T1 and T2 Values Obtained for Measurements of Eppendorf Samples (in Figures 7 and 8)a.
| double
exp. |
||||||
|---|---|---|---|---|---|---|
| GdCl3(μmol kg–1) | cross-link c(CaCl) in M | single exp. T2 (±SD) (ms) | T2 slow (±SD) (ms) | T2 fast (±SD) (ms) | T1 (±SD) (s) | |
| agarose impact | ||||||
| 3Alg-6Car | 0 | 1 | 200 (50) | 250 (50) | 1.55 (9) | |
| 3Alg-0.5Agar-6Car | 0 | 1 | 150 (10) | 170 (10) | [14 (6)] | 1.44 (4) |
| 3Alg-0.8Agar-6Car | 0 | 1 | 150 (10) | 180 (10) | [18 (3)] | 1.45 (3) |
| 3Alg-1Agar-6Car | 0 | 1 | 140 (10) | 150 (10) | [16 (3)] | 1.26 (2) |
| agarose impact (+Gd) | ||||||
| 3Alg-6Car | 70 | 1 | 19 (2) | 16 (1) | 0.07 (1) | |
| 3Alg-0.5Agar-6Car | 70 | 1 | 26 (11) | 17 (2) | 0.10 (2) | |
| 3Alg-0.8Agar-6Car | 70 | 1 | 25 (10) | [270 (70)] | 20 (3) | 0.14 (4) |
| 3Alg-1Agar-6Car | 70 | 1 | 33 (13) | [260 (90)] | 18 (2) | 0.15 (6) |
| cross-link impact (+Gd) | ||||||
| 3Alg-1Agar-6Car | 70 | 0.1 | 50 (18) | [150 (50)] | 20 (2) | 0.16 (3) |
| 3Alg-1Agar-6Car | 70 | 0.5 | 29 (15) | [400 (90)] | 16 (2) | 0.18 (8) |
| 3Alg-1Agar-6Car | 70 | 1 | 33 (13) | [260 (90)] | 18 (2) | 0.15 (6) |
For the double exponential fit results, the relaxation times for the component with the much smaller contribution is stated in square brackets or not stated in cases where the fit resulted in an SD in the range of the mean value.