Table 1.
Factors and levels of full factorial design 32.
| Factors | Levels | ||
|---|---|---|---|
| −1 | 0 | +1 | |
| MW | 86,000 | 300,000 | 1,323,000 |
| mucin: chitosan (w/w) | 1:1 | 3:1 | 7:1 |
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