Fig 1: Comparison of spatial resolution of confocal microscopy and super resolution microscopy. N2a cells persistently infected with 22L were fixed and permeabilized, and antigens were denatured using 6 M guanidine hydrochloride. PrPSc was detected using antibody 4H11 [97]. Lamp-1 was detected using rabbit polyclonal antibody ab24170 (Abcam). Scale bar: 20 µm. Images were taken using the stimulated emission depletion (STED) microscope Leica TCS SP8 STED and a 93× objective. A single plane is shown. STED microscopy provides better spatial resolution compared to conventional confocal microscopy (images courtesy of Valerio Bonaldo, Vorberg laboratory).
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