Abstract
Quantitative phase imaging emerged recently as a valuable tool for cell observation, by enabling label-free imaging through the intrinsic phase-contrast provided by transparent living cells , thus greatly simplifying observation protocols. The quantitative phase signal , unlike the one provided by the widely used phase-contrast microscope , can be related to relevant biological indicators including dry mass , cell volume regulation or transmembrane water movements . Here, we present quantitative phase imaging coupled with live fluorescence , making it possible to follow the phase signal in time to monitor the cell volume regulation , an early indicator of cell viability , along with specific information such as intracellular Ca2+ imaging with Fura-2 ratiometric fluorescence .
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Acknowledgements
This research was supported by the Swiss National Science Foundation grant #CR32I3-132993 and by the Commission for Technology and Innovation (CTI/KTI) project #9389.1.
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Pavillon, N., Marquet, P. (2015). Cell Volume Regulation Monitored with Combined Epifluorescence and Digital Holographic Microscopy. In: Lossi, L., Merighi, A. (eds) Neuronal Cell Death. Methods in Molecular Biology, vol 1254. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-2152-2_2
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DOI: https://doi.org/10.1007/978-1-4939-2152-2_2
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