Fig. 2: Carrier particle workflow.

Beginning with 1, the 3D laser printing of four different carrier geometries and three different surface roughnesses, 2, creation of the interactive powder mixture, 3, performance testing of the powder mixture for homogeneity and aerodynamic analysis and 4, quantification of the active pharmaceutical ingredient (API) budesonide with the high-performance liquid chromatography (HPLC) after centrifugation.