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2016 ; 100
(ä): 3-15
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English Wikipedia
An introduction to sample preparation and imaging by cryo-electron microscopy for
structural biology
#MMPMID26931652
Thompson RF
; Walker M
; Siebert CA
; Muench SP
; Ranson NA
Methods
2016[May]; 100
(ä): 3-15
PMID26931652
show ga
Transmission electron microscopy (EM) is a versatile technique that can be used
to image biological specimens ranging from intact eukaryotic cells to individual
proteins >150kDa. There are several strategies for preparing samples for imaging
by EM, including negative staining and cryogenic freezing. In the last few years,
cryo-EM has undergone a 'resolution revolution', owing to both advances in
imaging hardware, image processing software, and improvements in sample
preparation, leading to growing number of researchers using cryo-EM as a research
tool. However, cryo-EM is still a rapidly growing field, with unique challenges.
Here, we summarise considerations for imaging of a range of specimens from
macromolecular complexes to cells using EM.