Revealing the distribution of organic materials in the SEM
Data courtesy of G Nichols, Pfizer UK

Revealing the distribution of organic materials in the SEM

Distribution of drug within a pharmaceutical pill. Composite color image showing the spatial distribution of the micronized drug, salmeterol xinafoate. The cathodoluminescence image acquired at 415 m showing the drug is displayed in green and the secondary electron image reveals the non-cathodoluminescent lactose monohydrate (shown in brown).