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Contact Angle Measurements
Contact angles for ppNIPAM, spNIPAM, and blank Si control surfaces, obtained above (right) and below (left) the LCST. Both ppNIPAM and spNIPAM demonstrated thermoresponse. There was no observable change on the Si controls.
| 25 °C | 37 °C | |
|---|---|---|
| Blank Si control | 43±2 | 44±2 |
| spNIPAM | 49±6 | 62±5 |
| ppNIPAM | 24±4 | 43±9 |
