Quantitative determination of micronization-induced changes in the solid state of lactose
Lactose, in particular α-lactose monohydrate, is the most used carrier for inhalation. Its surface and solid- state properties play a key role in determining Dry Powder Inhalers (DPIs) performance. Techniques such as X-Ray Powder Diffraction (XRPD) and Differential Scanning Calorimetry (DSC), which are commonly used for the characterization of lactose,