Cited by 94Advanced Fluorescence Microscopy TechniquesForce Microscopy Techniques and ApplicationsLaser-Matter Interactions and Applications

MINSTED nanoscopy enters the Ångström localization range

Open access
Weber, Michael, von der Emde, Henrik, Leutenegger, Marcel, Gunkel, Philip, Sambandan, Sivakumar, Khan, Taukeer A., Keller-Findeisen, Jan, Cordes, Volker C. +1 more·2023·Nature Biotechnology

Published version of a preprint

Abstract

Super-resolution techniques have achieved localization precisions in the nanometer regime. Here we report all-optical, room temperature localization of fluorophores with precision in the Ångström range. We built on the concept of MINSTED nanoscopy where precision is increased by encircling the fluorophore with the low-intensity central region of a stimulated emission depletion (STED) donut beam while constantly increasing the absolute donut power. By blue-shifting the STED beam and separating fluorophores by on/off switching, individual fluorophores bound to a DNA strand are localized with σ = 4.7 Å, corresponding to a fraction of the fluorophore size, with only 2,000 detected photons. MINSTED fluorescence nanoscopy with single-digit nanometer resolution is exemplified by imaging nuclear pore complexes and the distribution of nuclear lamin in mammalian cells labeled by transient DNA hybridization. Because our experiments yield a localization precision σ = 2.3 Å, estimated for 10,000 detected photons, we anticipate that MINSTED will open up new areas of application in the study of macromolecular complexes in cells.

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Authors
Weber, M., von der Emde, H., Leutenegger, M., Gunkel, P., Sambandan, S., Khan, T. A., Keller-Findeisen, J., Cordes, V. C., & Hell, S. W.
Affiliations
  • Max Planck Institute for Multidisciplinary Sciences (DE)
  • Max Planck Institute for Medical Research (DE)
Corresponding author
Hell, Stefan W.
Venue
Nature Biotechnology
Published
2022-11-07
Volume
41
Issue
4
Pages
569-576
ISSN
  • 0733-222X (ISSN-L)
  • 1087-0156
  • 1546-1696
OpenAlex
W4308458879
Cited by
94
References
5
Citations by year
2026: 12 · 2025: 23 · 2024: 26 · 2023: 29 · 2022: 4
FWCI
9.08
Type
journal article
Language
en
Open access
Locations
  • Nature Biotechnology (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nd)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion, other-oa)
  • GoeScholar The Publication Server of the Georg-August-Universität Göttingen (Georg-August-Universität Göttingen) (submittedVersion, cc-by)
Funders
  • European Molecular Biology Laboratory
  • Bundesministerium für Bildung und Forschung (FKZ 13N14122, 13N14122)
  • Fraunhofer-Gesellschaft
  • Max-Planck-Gesellschaft
  • Max Planck School of Photonics
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Advanced Fluorescence Microscopy Techniques
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Force Microscopy Techniques and Applications
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
Keywords
super-resolution microscopy, single-molecule localization, STED microscopy, stimulated emission depletion, fluorophore localization, nuclear pore complex, nuclear lamins, DNA hybridization, single-molecule fluorescence microscopy
MeSH terms
Animals, DNA, Fluorescent Dyes, Mammals, Microscopy, Fluorescence

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