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Retention factor of FA in capillaries with different POPC/FA coatings. Error bars represent standard deviation multiplied by 2. Running conditions: fused-silica capillary, total length 60 cm; length to detector 51.5 cm; inner diameter 50 μm, outer diameter 375 μm; capillary temperature 25°C; sample injection 5 s at 50 mbar; applied voltage 20 kV; and UV detection 204 nm.
