Table 2. Microstructural Characterization of ELP Hydrogels: Mesh Size as Calculated from the Gel Elastic Modulus G′ Following Eq 4; Fluorescence Recovery Rate kFRAP Obtained by Fitting FRAP Data and Diffusion Constant D.
| dextrans 40 kDa |
dextrans 150 kDa |
||||
|---|---|---|---|---|---|
| ELP design | ξ (nm) | kFRAP(s–1) | D (μm2/s) | kFRAP(s–1) | D (μm2/s) |
| solution 1mg/mL | 0.179 ± 0.002 | 73.0 ± 0.8 | 0.138 ± 0.001 | 38.6 ± 0.3 | |
| EAE,triblock | 9.9 ± 0.8 | 0.115 ± 0.001 | 47.4 ± 0.4 | 0.094 ± 0.001 | 26.7 ± 0.3 |
| EKE + GA | 4.5 ± 0.7 | 0.051 ± 0.001 | 21.0 ± 0.4 | 0.057 ± 0.000 | 16.2 ± 0.3 |
| EAI | 15.0 ± 4.2 | 0.186 ± 0.002 | 76.7 ± 0.4 | 0.129 ± 0.002 | 36.7 ± 0.6 |
| EAI,triblock | 6.0 ± 0.3 | 0.087 ± 0.001 | 35.9 ± 0.4 | 0.038 ± 0.008 | 10.8 ± 2.3 |
| EKI + GA | 4.8 ± 0.6 | 0.063 ± 0.001 | 26.0 ± 0.4 | 0.036 ± 0.002 | 10.2 ± 0.6 |