Table 4.

Range of construct radii in which both KL law and oxygen concentration above the 0.04 mol/m³ threshold are maintained.

	r (c ≥ Cmin)	r(b ≈ −1/4)	r (Cmin ≥ Ccrit) $\cap$r (b ≈ −1/4)
Gel-free, Fig. 1A	54–712	654–2142	654–712
Gel shell, Fig. 1B	54–475	236–562	236–475
Gel shell and channel, Fig. 1C	54–616	236–2143	236–616