Figure 2

Comparison of total PDF patterns: (a) pure phase lapatinib samples; (b) 1:1 Solid dispersions of LP and polymers compared to pure spray dried from medium to long-range order. Arrows indicate examples of peaks present in both HPMC-E3-drug dispersions and pure LP (spray dried); (c) Overlay of 3:1 LP-polymers preparations, showing long-range order of HPMC-E3 sample.