. Author manuscript; available in PMC: 2014 Jul 15.

Published in final edited form as: Ultrason Imaging. 2013 Jul;35(3):196–213. doi: 10.1177/0161734613493262

Table 1.

Recipes and material parameters for the phantoms investigated in this study. Young's modulus values were measured using shear wave velocimetry. Values for speed of sound, attenuation, and Young's modulus are reported as mean ± one standard deviation.

Ingredient	Phantom 1	Phantom 2	Phantom 3
Type-A gelatin (g)	12.9	22	34
n-propanol (mL)	10	10	10
Water (mL)	190	190	190
Agar (g)	1	1	1
Polystyrene microspheres (drops)	10	10	10

Parameter	Phantom 1	Phantom 2	Phantom 3
Speed of sound (m/s)	1521.9 ± 0.26	1533.7 ± 0.44	1555.9 ± 0.32
Attenuation (dB/cm @ 3.5 MHz)	0.25 ± 0.05	0.51 ± 0.05	0.44 ± 0.04
Young's Modulus (kPa)	6.6 ± 0.49	19.8 ± 0.93	30.2 ± 1.48
Speckle SNR	1.89± 0.11	1.82 ± 0.08	1.84 ± 0.07