Multi-shot pulsed laser fluorescence microscope system

Hiroyasu Itoh, Masahiro Hibino, Masaya Shigemori, Musubu Koishi, Akira Takahashi, Tsuyoshi Hayakawa, Kazuhiko Kinoshita

Research output: Chapter in Book/Report/Conference proceedingConference contribution

13 Citations (Scopus)

Abstract

We describe a novel flurescence microscope system which allows us to capture rapid cellular phenomena as sequential images. This system is based on the 'pulsed-laser fluorescence microscope' which we reported two years ago in the first symposium on the same topic. In the previous microscope, only one image could be taken at a certain instance in a fast event. In order to obtain sequential images, the event had to be repeated. The new version allows us to capture several images as a time series in a single measurement without repetition; thus, irreversible fast phenomena can be time resolved. The heart of this system is a highly sensitive framing camera with with a gated-microchannel plate serving as an ultra-fast shutter. This camera is basically an image converter in which several images can be projected at different positions on the output phosphor screen. The exposure time each image can be as short as 100 nanoseconds, whereas the interval between sequential images can be shot imaging under highly intense continuous light. Faster events can be analyzed by combining the camera with a Q-switched Nd:YAG laser producing a burst of quardruple pulses. Four 10-nanosecond images can be captured at intervals of the order of 10 microseconds. With this system, we have been able to examine the behavior of giantliposomes under an intense electric field. Several deformation patterns and the formation of a large hole(s) in the lipid membrane have been visualized as microsecond sequential images.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsJoseph F. Lakowicz
Place of PublicationBellingham, WA, United States
PublisherPubl by Int Soc for Optical Engineering
Pages49-53
Number of pages5
Volume1204 pt 1
ISBN (Print)0819402451
Publication statusPublished - 1990
Externally publishedYes
EventTime-Resolved Laser Spectroscopy in Biochemistry II - Los Angeles, CA, USA
Duration: 1990 Jan 151990 Jan 17

Other

OtherTime-Resolved Laser Spectroscopy in Biochemistry II
CityLos Angeles, CA, USA
Period90/1/1590/1/17

Fingerprint

Pulsed lasers
shot
pulsed lasers
Microscopes
Fluorescence
Cameras
microscopes
fluorescence
Camera shutters
Image converters
Microchannels
Phosphors
Time series
Laser pulses
Electric fields
Imaging techniques
Lasers
cameras
image converters
framing cameras

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Itoh, H., Hibino, M., Shigemori, M., Koishi, M., Takahashi, A., Hayakawa, T., & Kinoshita, K. (1990). Multi-shot pulsed laser fluorescence microscope system. In J. F. Lakowicz (Ed.), Proceedings of SPIE - The International Society for Optical Engineering (Vol. 1204 pt 1, pp. 49-53). Bellingham, WA, United States: Publ by Int Soc for Optical Engineering.

Multi-shot pulsed laser fluorescence microscope system. / Itoh, Hiroyasu; Hibino, Masahiro; Shigemori, Masaya; Koishi, Musubu; Takahashi, Akira; Hayakawa, Tsuyoshi; Kinoshita, Kazuhiko.

Proceedings of SPIE - The International Society for Optical Engineering. ed. / Joseph F. Lakowicz. Vol. 1204 pt 1 Bellingham, WA, United States : Publ by Int Soc for Optical Engineering, 1990. p. 49-53.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Itoh, H, Hibino, M, Shigemori, M, Koishi, M, Takahashi, A, Hayakawa, T & Kinoshita, K 1990, Multi-shot pulsed laser fluorescence microscope system. in JF Lakowicz (ed.), Proceedings of SPIE - The International Society for Optical Engineering. vol. 1204 pt 1, Publ by Int Soc for Optical Engineering, Bellingham, WA, United States, pp. 49-53, Time-Resolved Laser Spectroscopy in Biochemistry II, Los Angeles, CA, USA, 90/1/15.
Itoh H, Hibino M, Shigemori M, Koishi M, Takahashi A, Hayakawa T et al. Multi-shot pulsed laser fluorescence microscope system. In Lakowicz JF, editor, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 1204 pt 1. Bellingham, WA, United States: Publ by Int Soc for Optical Engineering. 1990. p. 49-53
Itoh, Hiroyasu ; Hibino, Masahiro ; Shigemori, Masaya ; Koishi, Musubu ; Takahashi, Akira ; Hayakawa, Tsuyoshi ; Kinoshita, Kazuhiko. / Multi-shot pulsed laser fluorescence microscope system. Proceedings of SPIE - The International Society for Optical Engineering. editor / Joseph F. Lakowicz. Vol. 1204 pt 1 Bellingham, WA, United States : Publ by Int Soc for Optical Engineering, 1990. pp. 49-53
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