. Author manuscript; available in PMC: 2012 Nov 15.

Published in final edited form as: Langmuir. 2011 Oct 20;27(22):13635–13642. doi: 10.1021/la202198k

Table 4.

Summary of TR70 and TR3 Diffusion Coefficients and Tortuosities in 25% and 0% Acrylic Acid Gels.

	Observed Diffusion Coefficient (D) (10⁻⁷ cm²/s) 25% Gel (25C)*	Observed Diffusion Coefficient (D) (10⁻⁷ cm²/s) 0% Gel (0C)*	Free Diffusion Coefficient (D) (10⁻⁷ cm²/s) Free D(CE)	Tortuosity (Eq. 2) 25% Gel	Tortuosity (Eq. 2) 0% Gel
Texas Red 70,000 MW	0.94 ± 0.09 (N = 3)	0.62 ± 0.05(N = 3)	3.66 ± 0.16 (N = 32)	1.97 ± 0.20	2.43 ± 0.11
Texas Red 3,000 MW	10.12 ± 1.19 (N = 5)	8.44 ± 0.51 (N = 4)	10.48 ± 0.48 (N = 48)	1.02 ± 0.06	1.11 ± 0.04