New advances in scanning microscopy and its application to study parasitic protozoa

Compared to the first SEM, field emission electron and Helion ion scanning electron microscopy exponentially enhanced the resolution of these instruments. Recent progress in the study of the ultrastructure of protozoan parasites is reported in this review, as well as some protocols for sample preparation. In this micrograph, the cystoskeleton of Giardia intestinalis was exposed by detergent treatment and observed by High Resolution Scanning Electron Microscopy. Bar: 200 nm. (from: Rocha Gadelha et al., 2015).350