Gadolinium complex, relaxivity value at a 1 mM concentration and references for fibrillary nanostructures.

System	Gd(iii) complex	r 1p (mM−1 s−1)	Ref.
PA 5	Gd-DO3A	16.6 (pH = 4), 13.2 (pH = 10)	40
DOTAMA-PEG6-F4, DTPAMA-PEG6-F4	Gd-DOTA, Gd-DTPA	14.0, 14.8	41
FF-DOTAMA-FF	Gd-DOTA	11.5	44
2Nal2	Gd-DOTA	12.3	45
Cha-DOTA/C-Cha (2 : 8 mol mol−1), (8 : 2 mol mol−1)	Gd-DOTA	19.5, 17.2	48
PpiX-PEG8-SSSPLGLAK-Ppdf	Gd-DOTA	28.2 (sphere), 51.5 (fiber)	49
SMNs/FMNs	Gd-DOTA	15.6 (sphere), 18.5 (fiber)	51