Nanospray Drying as a Novel Technique for the Manufacturing of Inhalable NSAID Powders

Figure 1

SEM pictures of powders obtained from (a) #2 (110°C, 3% w/v, 7 μm nozzle), (b) #1 (110°C, 5% w/v, 7 μm nozzle), (c) #4 (110°C, 3% w/v, 4 μm nozzle), and (d) #3 (110°C, 5% w/v, 4 μm nozzle).

(a)

(b)

(c)

(d)