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Article Dans Une Revue Biology of the Cell Année : 2013

DUV Autofluorescence Microscopy for Cell Biology and Tissue Histology Biology of the Cell Biology of the Cell

Résumé

Autofluorescence spectroscopy is a powerful tool for molecular histology and for following metabolic processes in biological samples as it does not require labelling. However, at the microscopic scale, it is mostly limited to visible and near infrared excitation of the samples. Several interesting and naturally occurring fluorophores can be excited in the UV and deep UV (DUV), but cannot be monitored in cellulo nor in vivo due to a lack of available microscopic instruments working in this wavelength range. To fulfil this need, we have developed a synchrotron-coupled DUV microspectrofluorimeter which is operational since 2010. An extended selection of endogenous autofluorescent probes that can be excited in DUV, including their spectral characteristics, is presented. The distribution of the probes in various biological samples, including cultured cells, soft tissues, bone sections and maize stems, is shown to illustrate the possibilities offered by this system. In this work we demonstrate that DUV autofluorescence is a powerful tool for tissue histology and cell biology.
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Dates et versions

hal-01485578 , version 1 (09-03-2017)

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Frederic Jamme, Slávka Kaščáková, Sandrine Villette, Fatma Allouche, Stéphane Pallu, et al.. DUV Autofluorescence Microscopy for Cell Biology and Tissue Histology Biology of the Cell Biology of the Cell. Biology of the Cell, 2013, 105 (7), pp.277-288. ⟨10.1111/boc.201200075⟩. ⟨hal-01485578⟩
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