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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2015 Feb;62(2):303–318. doi: 10.1109/TUFFC.2014.006629

TABLE I.

Summary of the Cell Concentrations for Cell Pellet Biophantoms of the Three Cell Lines.

Concentration 1
Concentration 2
Cell line Number density
(Mcell/mL)
Volume fraction
(%)
Number density
(Mcell/mL)
Volume fraction
(%)
CHO 20 2.7 556 74
MAT 20 3.4 442 74
4T1 20 6.1 244 74

The cell concentration is represented by number density in million cells/mL (Mcell/mL) and volume fraction (%).