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2016 ; 13
(5
): 439-42
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Quantitative super-resolution imaging with qPAINT
#MMPMID27018580
Jungmann R
; Avendaņo MS
; Dai M
; Woehrstein JB
; Agasti SS
; Feiger Z
; Rodal A
; Yin P
Nat Methods
2016[May]; 13
(5
): 439-42
PMID27018580
show ga
Counting molecules in complexes is challenging, even with super-resolution
microscopy. Here, we use the programmable and specific binding of dye-labeled DNA
probes to count integer numbers of targets. This method, called quantitative
points accumulation in nanoscale topography (qPAINT), works independently of dye
photophysics for robust counting with high precision and accuracy over a wide
dynamic range. qPAINT was benchmarked on DNA nanostructures and demonstrated for
cellular applications by quantifying proteins in situ and the number of
single-molecule FISH probes bound to an mRNA target.