Cited by 19Advanced Fluorescence Microscopy TechniquesDigital Holography and MicroscopyAdaptive optics and wavefront sensing

Adaptive Optical Two-Photon Microscopy for Surface-Profiled Living Biological Specimens

Open access
Yamaguchi, Kazushi, Otomo, Kohei, Kozawa, Yuichi, Tsutsumi, Motosuke, Inose, Tomoko, Hirai, Kenji, Sato, Shunichi, Nemoto, Tomomi +1 more·2021·ACS Omega

Abstract

We developed adaptive optical (AO) two-photon excitation microscopy by introducing a spatial light modulator (SLM) in a commercially available microscopy system. For correcting optical aberrations caused by refractive index (RI) interfaces at a specimen’s surface, spatial phase distributions of the incident excitation laser light were calculated using 3D coordination of the RI interface with a 3D ray-tracing method. Based on the calculation, we applied a 2D phase-shift distribution to a SLM and achieved the proper point spread function. AO two-photon microscopy improved the fluorescence image contrast in optical phantom mimicking biological specimens. Furthermore, it enhanced the fluorescence intensity from tubulin-labeling dyes in living multicellular tumor spheroids and allowed successful visualization of dendritic spines in the cortical layer V of living mouse brains in the secondary motor region with a curved surface. The AO approach is useful for observing dynamic physiological activities in deep regions of various living biological specimens with curved surfaces.

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  1. Born M.; Wolf E. Principles of Optics; Pergamon Press: Oxford, 1980.

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Authors
Yamaguchi, K., Otomo, K., Kozawa, Y., Tsutsumi, M., Inose, T., Hirai, K., Sato, S., Nemoto, T., & Uji-i, H.
Affiliations
  • National Institutes of Natural Sciences (JP)
  • Tohoku University (JP)
  • Hokkaido University (JP)
  • Hokkaido University , , , ,
Corresponding author
Nemoto, Tomomi
Venue
ACS Omega
Published
2020-11-30
Volume
6
Issue
1
Pages
438-447
ISSN
2470-1343 (ISSN-L)
OpenAlex
W3108360418
Cited by
19
References
40
Citations by year
2026: 1 · 2025: 4 · 2024: 3 · 2023: 3 · 2022: 4 · 2021: 4
FWCI
1.31
Type
journal article
Language
en
Open access
Locations
  • ACS Omega (publishedVersion, other-oa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Lirias (KU Leuven) (submittedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Hokkaido University Collection of Scholarly and Academic Papers (Hokkaido University) (submittedVersion)
  • Institutional Repositories DataBase (IRDB) (submittedVersion)
Funders
  • Japan Agency for Medical Research and Development (NA)
  • Japan Society for the Promotion of Science (JP15H05953, JP16K15103, JP17H03003, JP18K06591, JP19K15406, JP20H00523, JP20K05413, JP20K21165)
  • Ministry of Education, Culture, Sports, Science and Technology (NA)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Advanced Fluorescence Microscopy Techniques
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Digital Holography and Microscopy
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Adaptive optics and wavefront sensing
Keywords
adaptive optics, two-photon microscopy, spatial light modulator, 3D ray tracing, point spread function, fluorescence imaging, curved surfaces, tumor spheroids, dendritic spines, cortical layer V, mouse brain

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