Labeling Stem Cells with a New Hybrid Bismuth/Carbon Nanotube Contrast Agent for X-Ray Imaging

Figure 3

(a) Bi³⁺-ion concentration in cell samples and cell culture medium supernatant over time. (b) Bi³⁺-ion concentration per viable cell over time. (c) Cell numbers for the viable and dead cells after plating. Some error bars are too small to show. Data are presented in mean ± SD.

(a)

(b)

(c)