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Table 2 Summary of the acoustic properties of soft and bone tissue mimicking materials

From: Acoustic and thermal characterization of agar based phantoms used for evaluating focused ultrasound exposures

 

Brain Tissue Mimicking Agar Gel

Agar 2% (w/v)

+ Silica Dioxide 1.2% (w/v)

+ Evaporated Milk 25% (v/v)

Muscle Tissue Mimicking Agar Gel

Agar 2% (w/v)

+ Silica Dioxide 2.1% (w/v)

+ Evaporated Milk 40% (v/v)

Bone Mimicking Material

ABS-M30 (Stratasys Ltd)

Attenuation Coefficient

Scatter enhancing agent

(dB/cm-MHz)

0.34 ± 0.04

0.59 ± 0.07

-

Attenuation Coefficient

Absorption enhancing agent (dB/cm-MHz)

0.25 ± 0.03

0.40 ± 0.04

-

Attenuation Coefficient

Total (dB/cm-MHz)

0.59 ± 0.05

0.99 ± 0.08

16.01 ± 6.18

Acoustic speed (m/s)

1485 ± 12

1529 ± 13

2048 ± 79

Mass Density (g/cm3)

1.05 ± 0.01

1.07 ± 0.01

1.04 [38]

Acoustic Impedance(MRayl)

1.56 ± 0.02

1.64 ± 0.02

2.13 ± 0.08