Table 1 Comparison of values of relative pore radius (rpr) determined by N2 adsorption-desorption and image analyses in cell-free microcapsules made of 0.8% and 1.4% w/v alginate
From: Determination of pore size distribution at the cell-hydrogel interface
Range rpr (nm) | 0.8% w/v Alginate | 1.4% w/v Alginate | ||
|---|---|---|---|---|
N2-adsorption (%) | Image analysis (%) | N2-adsorption (%) | Image analysis (%) | |
rpr ≤ 10 | 48.9 ± 1.3 | 49.4 ± 2.3 | 59.8 ± 1.5 | 62.8 ± 1.8 |
10 < rpr < 20 | 15.4 ± 1.1 | 16.7 ± 2.3 | 16.1 ± 1.2 | 19.9 ± 1.1 |
20 < rpr < 25 | 13.3 ± 1.0 | 11.1 ± 2.2 | 8.9 ± 1.0 | 9.4 ± 1.6 |
25 < rpr < 40 | 11.3 ± 0.8 | 9.3 ± 1.9 | 8.8 ± 0.7 | 4.7 ± 0.4 |
40 < rpr < 70 | 9.0 ± 0.5 | 11.0 ± 0.7 | 5.3 ± 0.5 | 2.9 ± 0.3 |
70 < rpr | 2.2 ± 0.3 | 3.0 ± 0.3 | 1.1 ± 0.2 | 1.0 ± 0.2 |