Table 2. Detection of E. coli O157:H7 in fecal samples by aptasensor and standard culture method.
| E18R-42/PCDA vesicles | Standard culture method | Total | |
| + | – | ||
| + | 2 | 3 | 5 |
| – | 0 | 198 | 198 |
| Total | 2 | 201 | 203 |
+positive result;
–negative result.
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