Time-lapse scanning surface plasmon microscopy of living adherent cells with a radially polarized beam

We report on a fibered high-resolution scanning surface plasmon microscope for long term imaging of living adherent cells. The coupling of a high numerical aperture objective lens and a fibered heterodyne interferometer enhances both the sensitivity and the long term stability of this microscope, al...

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Bibliographic Details
Published in:Applied optics (2004) 2016-02, Vol.55 (6), p.1216-1227
Main Authors: Berguiga, Lotfi, Streppa, Laura, Boyer-Provera, Elise, Martinez-Torres, Cristina, Schaeffer, Laurent, Elezgaray, Juan, Arneodo, Alain, Argoul, Françoise
Format: Article
Language:English
Subjects:
Animals
Beams (radiation)
Cell Adhesion
Cell Line
Cell Survival
Evanescent waves
Illumination
Interferometers
Mice
Microscopes
Microscopy
Microscopy, Polarization - methods
Myoblasts - cytology
Plasmons
Scanning
Surface Plasmon Resonance
Time Factors
Time-Lapse Imaging - methods
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Summary:We report on a fibered high-resolution scanning surface plasmon microscope for long term imaging of living adherent cells. The coupling of a high numerical aperture objective lens and a fibered heterodyne interferometer enhances both the sensitivity and the long term stability of this microscope, allowing for time-lapse recording over several days. The diffraction limit is reached with a radially polarized illumination beam. Adherence and motility of living C2C12 myoblast cells are followed for 50 h, revealing that the dynamics of these cells change after 10 h. This plasmon enhanced evanescent wave microscopy is particularly suited for investigating cell adhesion, since it can not only be performed without staining of the sample but it can also capture in real time the exchange of extracellular matrix elements between the substrate and the cells.
ISSN:1559-128X
2155-3165
DOI:10.1364/AO.55.001216