Table 1.
Simultaneous fitting of SANS patterns of PERFECTA/PFCE-PLGA NPs in D2O and H2O/D2O 36:64 (v:v) using a fractal sphere model.i.
| Parameter | D2O | H2O/D2O (36/64) |
|---|---|---|
| Vol. fraction | 0.0072 | 0.0072 |
| Radius of fractal block (nm) | 4.1 | 4.1 |
| Polydispersity of fractal block | 0.36 | 0.30 |
| Fractal dimension | 3.05 | 3.05 |
| Correlation length (nm) | 41 | 41 |
| SLD sphere (Å−2) | 4.74 × 10−6 | 3.15 × 10−6 |
| SLD solvent (Å−2) | 6.36 ×10−6 | 3.87 ×10−6 |
| Bkg | 0.011 | 0.023 |
| Chi2/Npts | 3.5 | |
| Rg of NPs (nm) | 102 |
i
Volume fraction and SLD of solvent were fixed; block radius, fractal dimension and correlation length were fitted simultaneously.