Figure 2

Representative traces of nasal potential difference measurements. Examples of TPD traces, monitored for up to 60 mins after addition of (a) PBS, (b) 0.1% LPC-decanoyl, (c) 0.1% LPC-standard and (d) 0.1% LPC-heptadecanoyl. B = basal Krebs, LC = low-chloride Krebs, LPC= addition of 4 μl bolus of LPC into same nostril, PBS= addition of 4 μl bolus of PBS into same nostril. Traces are each representative of n = 5-6 mice.