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Article Dans Une Revue Biomedical optics express Année : 2019

Quantitative phase imaging of adherent mammalian cells: a comparative study

Résumé

The quantitative phase imaging methods have several advantages when it comes to monitoring cultures of adherent mammalian cells. Because of low photo-toxicity and no need for staining, we can follow cells in a minimally invasive way over a long period of time. The ability to measure the optical path difference in a quantitative manner allows the measurement of the cell dry mass, an important metric for studying the growth kinetics of mammalian cells. Here we present and compare cell measurements obtained with three different techniques: digital holographic microscopy, lens-free microscopy and quadriwave lateral sheering interferometry. We report a linear relationship between optical volume density values measured with these different techniques and estimate the precisions of this measurement for the different individual instruments.

Domaines

Imagerie
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Dates et versions

hal-02181635 , version 1 (24-11-2019)

Identifiants

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C. Allier, L. Hervé, O. Mandula, P. Blandin, Y. Usson, et al.. Quantitative phase imaging of adherent mammalian cells: a comparative study. Biomedical optics express, 2019, 10 (6), pp.2768. ⟨10.1364/BOE.10.002768⟩. ⟨hal-02181635⟩
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