Cryoelectron microscopy is a method for imaging frozen-hydrated specimens at cryogenic temperatures by electron microscopy. Specimens remain in their native state without the need for dyes or ...

Researchers shed new light on G-quadruplexes, a type of secondary DNA structure that has attracted attention as a potential therapeutic target in cancer.

Figure 6: Phase space for operation of a scanning electron microscope at a fixed source brightness. Such new source designs may well halve the energy spread while doubling beam brightness.