Table 6 Analysis of variance (ANOVA) of PBD for AuNPs biosynthesis, using the extracellular filtrate of Bacillus subtilis NRC1.
Source | Sum of squares | df | Mean square | F-value | p-value* prob > F |
|---|---|---|---|---|---|
Model | 6.93 | 10 | 0.69 | 66.78 | 0.0027 |
A-casein hydrolysate | 0.57 | 1 | 0.57 | 54.48 | 0.0051 |
B-dextrin | 2.689E−003 | 1 | 2.689E−003 | 0.26 | 0.6458 |
C-initial pH | 0.91 | 1 | 0.91 | 87.81 | 0.0026 |
D-incubation period | 0.51 | 1 | 0.51 | 48.93 | 0.0060 |
E-inoculum size | 3.600E−004 | 1 | 3.600E−004 | 0.03 | 0.8641 |
F-temperature | 0.38 | 1 | 0.38 | 36.34 | 0.0092 |
AB | 0.23 | 1 | 0.23 | 21.84 | 0.0185 |
AC | 1.41 | 1 | 1.41 | 136.00 | 0.0014 |
AE | 0.27 | 1 | 0.27 | 26.21 | 0.0144 |
BC | 1.08 | 1 | 1.08 | 103.61 | 0.0020 |
Curvature | 7.54 | 1 | 7.54 | 726.57 | 0.0001 |
Residual | 0.03 | 3 | 0.01 | ||
Lack of fit | 0.01 | 1 | 0.01 | 0.54 | 0.5373 |
Pure error | 0.02 | 2 | 0.01 | ||
Cor total | 14.50 | 14 |
