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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Cell Transplant. 2010;19(1):55–65. doi: 10.3727/096368909X478579

Figure 2.

Figure 2

Cell viability of human embryonic stem cells (hESCs) maintained postlabeling with indocyanine green (ICG). Fluorescent signal (units in efficiency) seen with optical imaging (OI) and viability (% viable cells) of hESCs, labeled with different ICG concentrations (0 = control as well as 0.5, 1.0, 1.5, 2.0, and 2.5 mg ICG/ml) for different incubation intervals (30, 45, and 60 min). Data are displayed as means and SD of triplicate samples containing 300,000 cells in a pellet per sample in 1 ml of KSR.