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Particles prepared in phenyl acetate at 65 °C (a), 75 °C (b), 85 °C (c), 90 °C (d), 95 °C (e), and 105 °C (f). Scale bar=2 μm (larger image) and 200 nm (inset) in (a) and (b); Scale bar=5 μm (larger image) and 500 nm (inset) in (c), (d), (e), and (f).
