Table 1. Parameters and their levels in biosynthesis TiO2 NPs .
Symbol | Parameters | Unit | Level 1 | Level 2 | Level 3 |
A | TiO(OH)2 concentration | Molar (M) | 0.1 | 0.01 | 0.001 |
B | Incubation temperature | ºC | 25 | 30 | 37 |
C | Culturing time | Hour | 48 | 72 | 96 |