Table 2 Estimated porosity and intrinsic permeability (k) for different %C of polyacrylamide phantoms (inclusion).

From: Non-invasive imaging of interstitial fluid transport parameters in solid tumors in vivo

% Cross linker

Porosity

k (10–14 m2)

USPE

Mean ± SD

SEM

PRE

USPE

Mean ± SD

56

1%

0.760 ± 0.050

0.858

8.04

8.15 ± 2.75

\(\approx\) 2.94

4%

0.622 ± 0.026

0.677

7.06

3.14 ± 0.46

\(\approx\) 1.13

5%

0.609 ± 0.037

0.609

0.04

2.30 ± 0.45

\(\approx\) 0.75

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