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Physical properties of the polysorbate surfactants used in this study.
| Surfactant | Molecular Weight (g/mol) | Density (g/mL) | Appearance |
|---|---|---|---|
| PEG20–sorbitan monooleate (T80) | 1310 | 1.064 | Golden-yellow viscous liquid |
| PEG20–sorbitan monolaurate (T20) | 1228 | 1.105 | Clear liquid |
