Figure 6From: A systematic study of core size and coating thickness on manganese-doped nanocrystals for high T2 relaxivity as magnetic resonance contrast agent Time dependent (days) evaluation of transverse relaxation time (R2) of MnMNC6-PEG1K (blue) MnMNC12-PEG2K (red) in PBS ([Fe + Mn] concentration: 25 μM/ 200 μL). Back to article page