Table 2 Measured and calculated parameters for all selected scaffolds by using the proposed experimental and theory-based approaches.

From: Adaptable test bench for ASTM-compliant permeability measurement of porous scaffolds for tissue engineering

  

Parameter

PS1

PS2

RS1

RS2

CS1

CS2

Measurement

Sample

L (m)

(4.91 ± 0.04) × 10–3

(4.95 ± 0.05) × 10–3

(5.13 ± 0.01) × 10–3

(5.26 ± 0.13) × 10–3

(3.58 ± 0.05) × 10–3

(4.66 ± 0.06) × 10–3

A (m2)

(7.82 ± 0.18) × 10–5

(8.03 ± 0.01) × 10–5

(7.60 ± 0.24) × 10–5

(7.51 ± 0.34) × 10–5

(8.17 ± 0.54) × 10–5

(7.90 ± 0.39) × 10–5

PTB

Q (ml/min)

4.84 ± 0.31

4.67 ± 0.16

4.69 ± 0.08

4.58 ± 0.19

4.90 ± 0.02

4.99 ± 0.02

Δpsample (Pa)

14.9 ± 2.58

10.8 ± 3.35

22.1 ± 4.32

22.9 ± 5.13

124.0 ± 12.4

63.5 ± 16.1

Calculation

Theory-based approach

k (m2)

3.95 × 10–10

    

PTB

k ± Uk (m2)

(3.39 ± 0.63) × 10–10

(4.44 ± 1.38) × 10–10

(2.39 ± 0.47) × 10–10

(2.33 ± 0.54) × 10–10

(2.89 ± 0.35) × 10–11

(7.73 ± 2.00) × 10–11

ATB

k ± Uk (m2)

(3.70 ± 0.31) × 10–10

(4.35 ± 0.45) × 10–10

(2.07 ± 0.27) × 10–10

(2.33 ± 0.29) × 10–10

(2.63 ± 0.23) × 10–11

(8.81 ± 0.93) × 10–11

PTB vs ATB

En

0.45

0.06

0.58

0

0.62

0.49