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Calculation of the iron oxide core sizes of particles from the TEM images taken at week 12. The number of individual particles counted was at least n = 62 for all ferrofluids.
| Storage Temperature (°C) | 4 °C (n = 72) | 20 °C (n = 78) | 37 °C (n = 62) | 45 °C (n = 72) |
|---|---|---|---|---|
| Core diameter (nm) | 8.9 ± 2.2 | 8.9 ± 1.9 | 9.4 ± 1.7 | 9.2 ± 2.3 |
