| OMV | Outer Membrane Vesicles |
| STEC | Shiga toxin-producing Escherichia coli |
| UPEC | Uropathogenic Escherichia coli |
| SEM | Scanning Electron Microscopy |
| TEM | Transmission Electron Microscopy |
| NTA | Nanoparticle Tracking Analysis |
| DLS | Dynamic Light Scattering |
| SeM | Standard error of the Mean |
| SD | Standard Deviation |