The use of the Quantifoil carbon films greatly simplifies the conduct of low
dose electron microscopic procedures. The location of the area(s) used for
focussing, relative to the area that is recorded, need(s) to be set only
once for a specimen.
Verified specimen of tobacco mosaic virus (TMV) prepared using Quantifoil
holey carbon film. The burned areas on the foil in the image were used for
focussing before the image of the hole in between was recorded.