Research Article

An Efficient T1 Contrast Agent for Labeling and Tracking Human Embryonic Stem Cells on MRI

Table 3

Cell viability at 6 days postlabeling.

Labeling condition% viability

Unlabeled control82.1 ± 14.4
0.5% DMSO82.0 ± 11.8
10 μM, 24 h90.5 ± 11.9
40 μM, 30 min89.9 ± 13.3

Viability was determined by trypan blue assay. Shown are mean values and standard deviations.