Fig. 3From: Synthesis and In Vitro Study of a Dual-Mode Probe Targeting Integrin αvβ3The relaxation properties of cRGD-Gd-Cy5.5 nanoprobes. a T1-weighted images (Siemens, Verio,3.0T, MOLLI, sequence: TR = 5.8 ms, TE = 3.66 ms, TI = 16–3200 ms) of these particles at different concentrations (Gd). b The fitting curves of Gd concentration and relaxation time; the r1 value of cRGD-Gd-Cy5.5 was 10.515 mM−1s−1Back to article page