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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 5, Iss. 6 — Jun. 1, 2014
  • pp: 1700–1708

In vivo two-photon microscopy of the hippocampus using glass plugs

Mary Grace M. Velasco and Michael J. Levene  »View Author Affiliations


Biomedical Optics Express, Vol. 5, Issue 6, pp. 1700-1708 (2014)
http://dx.doi.org/10.1364/BOE.5.001700


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Abstract

Two-photon microscopy has been used in conjunction with micro-optics, such as GRIN lenses, to access subcortical structures in the intact mouse brain. In this study, we demonstrate the use of thick glass windows, or plugs, for high-resolution, large field-of-view two-photon imaging of the hippocampus in a live mouse. These plugs are less expensive, yield larger fields-of-view and are simpler to use than GRIN lenses while requiring less tissue removal compared to previous methods based on cortical ablation. To demonstrate the capabilities of our system, we show fluorescence images of dendritic spines in the CA1 region of the hippocampus in THY1-YFP transgenic mice.

© 2014 Optical Society of America

OCIS Codes
(180.0180) Microscopy : Microscopy
(180.2520) Microscopy : Fluorescence microscopy
(180.4315) Microscopy : Nonlinear microscopy

ToC Category:
Microscopy

History
Original Manuscript: February 6, 2014
Revised Manuscript: April 23, 2014
Manuscript Accepted: April 23, 2014
Published: April 30, 2014

Citation
Mary Grace M. Velasco and Michael J. Levene, "In vivo two-photon microscopy of the hippocampus using glass plugs," Biomed. Opt. Express 5, 1700-1708 (2014)
http://www.opticsinfobase.org/boe/abstract.cfm?URI=boe-5-6-1700


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