Table 8 Analysis of variance (ANOVA) of BBD of AuNPs biosynthesis, using the extracellular filtrate of Bacillus subtilis NRC1.
Source | Sum of squares | df | Mean square | F-value | p-value* prob > F |
|---|---|---|---|---|---|
Model | 26.42 | 23 | 1.15 | 14.40 | < 0.0001 |
A-casein hydrolysate | 3.66 | 1 | 3.66 | 45.87 | < 0.0001 |
B-dextrin | 0.01 | 1 | 0.01 | 0.18 | 0.6750 |
C-intial pH | 4.47 | 1 | 4.47 | 56.09 | < 0.0001 |
D-inoculum size | 0.13 | 1 | 0.13 | 1.69 | 0.2077 |
E-temperature | 0.34 | 1 | 0.34 | 4.22 | 0.0520 |
AB | 0.38 | 1 | 0.38 | 4.82 | 0.0390 |
AC | 0.59 | 1 | 0.59 | 7.43 | 0.0123 |
AD | 1.15 | 1 | 1.14 | 14.36 | 0.0010 |
AE | 0.80 | 1 | 0.80 | 10.04 | 0.0044 |
BC | 1.58 | 1 | 1.58 | 19.75 | 0.0002 |
BD | 1E−04 | 1 | 1E−04 | 0.00 | 0.9721 |
BE | 0.09 | 1 | 0.09 | 1.21 | 0.2842 |
A2 | 0.06 | 1 | 0.06 | 0.71 | 0.4098 |
B2 | 0.01 | 1 | 0.01 | 0.11 | 0.7424 |
C2 | 0.46 | 1 | 0.46 | 5.73 | 0.0256 |
D2 | 0.09 | 1 | 0.09 | 1.12 | 0.3017 |
A2B | 2.33 | 1 | 2.33 | 29.25 | < 0.0001 |
A2D | 1.54 | 1 | 1.54 | 19.28 | 0.0002 |
AB2 | 1.63 | 1 | 1.63 | 20.40 | 0.0002 |
AD2 | 2.70 | 1 | 2.70 | 33.86 | < 0.0001 |
B2E | 0.67 | 1 | 0.67 | 8.39 | 0.0083 |
BC2 | 0.06 | 1 | 0.06 | 0.79 | 0.3837 |
BD2 | 2.08 | 1 | 2.08 | 26.09 | < 0.0001 |
Residual | 1.75 | 22 | 0.08 | ||
Lack of fit | 1.53 | 17 | 0.09 | 2.02 | 0.2241 |
Pure error | 0.22 | 5 | 0.05 | ||
Cor total | 28.17 | 45 |
