Figure 8 : Examples of microscopic images (magnification 160x) of the samples investigated.

Left: samples of group A do not contain agglomerates; middle: samples of group B contain agglomerates, which appear loose; right: samples of group C contain strongly agglomerated particles.

M Keck et al.Journal of Pharmaceutical Technology and Drug Research  2013 2:17DOI : 10.7243/2050-120X-2-17