High-speed microscopy with an electrically tunable lens to image the dynamics of in vivo molecular complexes

Yuichiro Nakai, Mitsunori Ozeki, Takumi Hiraiwa, Ryuichi Tanimoto, Akira Funahashi, Noriko Hiroi, Atsushi Taniguchi, Shigenori Nonaka, Viviane Boilot, Roshan Shrestha, Joanna Clark, Naoka Tamura, Viji M. Draviam, Hiromasa Oku

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

We provide an evaluation for an electrically tunable lens (ETL), combined with a microscope system, from the viewpoint of tracking intracellular protein complexes. We measured the correlation between the quantitative axial focus shift and the control current for ETL, and determined the stabilization time for refocusing to evaluate the electrical focusing behaviour of our system. We also confirmed that the change of relative magnification by the lens and associated resolution does not influence the ability to find intracellular targets. By applying the ETL system to observe intracellular structures and protein complexes, we confirmed that this system can obtain 10 nm order z-stacks, within video rate, while maintaining the quality of images and that this system has sufficient optical performance to detect the molecules.

Original languageEnglish
Article number013707
JournalReview of Scientific Instruments
Volume86
Issue number1
DOIs
Publication statusPublished - 2015 Jan 1

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Lenses
Microscopic examination
lenses
high speed
microscopy
proteins
Proteins
Electric current control
magnification
Microscopes
Stabilization
stabilization
microscopes
Molecules
evaluation
shift
molecules

ASJC Scopus subject areas

  • Instrumentation

Cite this

High-speed microscopy with an electrically tunable lens to image the dynamics of in vivo molecular complexes. / Nakai, Yuichiro; Ozeki, Mitsunori; Hiraiwa, Takumi; Tanimoto, Ryuichi; Funahashi, Akira; Hiroi, Noriko; Taniguchi, Atsushi; Nonaka, Shigenori; Boilot, Viviane; Shrestha, Roshan; Clark, Joanna; Tamura, Naoka; Draviam, Viji M.; Oku, Hiromasa.

In: Review of Scientific Instruments, Vol. 86, No. 1, 013707, 01.01.2015.

Research output: Contribution to journalArticle

Nakai, Y, Ozeki, M, Hiraiwa, T, Tanimoto, R, Funahashi, A, Hiroi, N, Taniguchi, A, Nonaka, S, Boilot, V, Shrestha, R, Clark, J, Tamura, N, Draviam, VM & Oku, H 2015, 'High-speed microscopy with an electrically tunable lens to image the dynamics of in vivo molecular complexes', Review of Scientific Instruments, vol. 86, no. 1, 013707. https://doi.org/10.1063/1.4905330
Nakai, Yuichiro ; Ozeki, Mitsunori ; Hiraiwa, Takumi ; Tanimoto, Ryuichi ; Funahashi, Akira ; Hiroi, Noriko ; Taniguchi, Atsushi ; Nonaka, Shigenori ; Boilot, Viviane ; Shrestha, Roshan ; Clark, Joanna ; Tamura, Naoka ; Draviam, Viji M. ; Oku, Hiromasa. / High-speed microscopy with an electrically tunable lens to image the dynamics of in vivo molecular complexes. In: Review of Scientific Instruments. 2015 ; Vol. 86, No. 1.
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