Table 1.
AS quantities determined for each species and each treatment. Values are the average between replicates (n = 4). SD is the standard deviation between replicates and NS stands for non-significant effects (P > 0.05).
| Species | Matrix | Suspension | MurN | ManN | GalN | GlcN |
|---|---|---|---|---|---|---|
| (μg ml−1 of cell culture) (±SD) | ||||||
| E. coli | Quartz | Cell culture | 4 ± 0.1 | 8 ± 0.3 | 7 ± 0.01 | 17 ± 0.3 |
| EPS | 0.01 ± 0.01 | 9 ± 0.5 | 7 ± 0.1 | 12 ± 1 | ||
| No quartz | Cell culture | 9 ± 0.3 | 11 ± 0.1 | 5 ± 0.02 | 29 ± 1 | |
| EPS | 0.1 ± 0.06 | 12 ± 0.1 | 5 ± 0.1 | 15 ± 1 | ||
| B. subtillis | Quartz | Cell culture | 103 ± 5 | 15 ± 0.2 | 11 ± 0.6 | 115 ± 3 |
| EPS | 42 ± 5 | 13 ± 0.4 | 8 ± 0.1 | 43 ± 4 | ||
| No quartz | Cell culture | 111 ± 19 | 14 ± 1 | 11 ± 0.6 | 115 ± 19 | |
| EPS | 3 ± 1 | 8 ± 0.4 | 7 ± 0.03 | 14 ± 3 | ||
| F. acutatum | Quartz | Cell culture | 1 ± 0.1 | 3 ± 0.5 | 2 ± 0.2 | 30 ± 7 |
| EPS | 0.1 ± 0.03 | 5 ± 0.01 | 3 ± 0.01 | 2 ± 0.2 | ||
| No quartz | Cell culture | 2 ± 0.2 | 2 ± 0.3 | 12 ± 1 | 223 ± 35 | |
| EPS | ND | 4 ± 0.02 | 3 ± 0.02 | 2 ± 0.1 | ||
| A. cupreus | Quartz | Cell culture | 2 ± 0.1 | 9 ± 0.8 | 4 ± 0.6 | 33 ± 3 |
| EPS | 0.6 ± 0.02 | 13 ± 0.4 | 5 ± 0.02 | 11 ± 1 | ||
| No quartz | Cell culture | 2 ± 1 | 11 ± 3 | 3 ± 1 | 27 ± 17 | |
| EPS | 0.6 ± 0.1 | 17 ± 1 | 2 ± 0.05 | 14 ± 2 | ||
| Probability values | ||||||
| Matrix (quartz vs. no quartz) | NS | NS | NS | 0.02 | ||
| Type (bacteria vs. fungi) | NS | NS | NS | NS | ||
| Suspension (culture vs. EPS) | <0.01 | NS | <0.01 | <0.01 | ||
| Matrix x type | NS | NS | <0.01 | 0.01 | ||
| Matrix x suspension | NS | NS | <0.01 | <0.01 | ||
| Type x suspension | <0.01 | <0.01 | NS | NS | ||
| Matrix x type x suspension | NS | NS | <0.01 | NS | ||
ND, non-detectable value; SD, standard deviation.