Table 3 The factors and levels for the orthogonal experiment design used in this research.
From: Preparation of cross-linked hen-egg white lysozyme crystals free of cracks
Factors | |||||
|---|---|---|---|---|---|
Temperature (°C) | pH value | Crystal growth time (days) | Glutaraldehyde concentration | Cross-linking time (days) | |
Levels | 11 | 4.2 | 2 | 1% | 1 |
13 | 5.4 | 3 | 2% | 2 | |
15 | 6.6 | 4 | 3% | 3 | |
17 | 7.8 | 5 | 4% | 4 | |
