. Author manuscript; available in PMC: 2016 May 25.

Published in final edited form as: Contrast Media Mol Imaging. 2010 Nov 30;6(4):219–228. doi: 10.1002/cmmi.421

Table 1.

MR parameters and experimental measurements for Yb-DO3A-oAA

Chemical group	Saturation frequency	r_1sat relaxivity or r₁ relaxivity	T_1sat/temperature	−r_1satT_1W		k_ex	n_CAk_ex
Chemical group	Saturation frequency	r_1sat relaxivity or r₁ relaxivity	T_1sat/temperature	CEST analysis	T₁ relaxation analysis	k_ex	n_CAk_ex
Amine	+12 ppm	0.0211 mM⁻¹ s⁻¹	0.019 s° C⁻¹	−0.0852 mM⁻¹	−0.0890 mM⁻¹	93 Hz	279 Hz
Amide	−10 ppm	0.0194 mM⁻¹ s⁻¹	0.025 s° C⁻¹	−0.0782 mM⁻¹	−0.0819 mM⁻¹	375 Hz	375 Hz
Amine/amide	—	1.06	0.0024	1.089	1.086	0.24	0.74
Control	+80 ppm	0.0126 mM⁻¹ s⁻¹	—	—	—	—	—
Control	No saturation	0.0121 mM⁻¹ s⁻¹	—	—	—	—	—