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Cloud point testing of 2% w/v core polymer solutions (i.e. THF) with ethanol as a non-solvent for the core polymer and a solvent for the shell polymer. The cloud point results are presented as the ratio of the volume of shell polymer solvent (mLS2) to volume of core polymer solution (mLS1) once achieving stable cloudy turbidity (mLS2/mLS1).
| Polymer | Cloud point (mLS2/mLS1) |
|---|---|
| PMMA | 2.80 |
| D, L-PLA | 1.28 |
| PLGA (50:50) | 2.52 |
| PLGA (75:25) | 1.56 |
