Quantitative phase imaging of cell division in yeast cells and E.coli using digital holographic microscopy

Pandiyan, V P and John, Renu (2015) Quantitative phase imaging of cell division in yeast cells and E.coli using digital holographic microscopy. In: SPIE Proceedings (Optical Coherent Tomography III), 9 December, 2015, Japan.

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Digital holographic microscope (DHM) is an emerging quantitative phase imaging technique with unique imaging scales and resolutions leading to multitude of applications. DHM is promising as a novel investigational and applied tool for cell imaging, studying the morphology and real time dynamics of cells and a number of related applications. The use of numerical propagation and computational digital optics offer unique flexibility to tune the depth of focus, and compensate for image aberrations. In this work, we report imaging the dynamics of cell division in E.coli and yeast cells using a DHM platform. We demonstrate 3-D and depth imaging as well as reconstruction of phase profiles of E.coli and yeast cells using the system. We record a digital hologram of E.coli and yeast cells and reconstruct the image using Fresnel propagation algorithm. We also use aberration compensation algorithms for correcting the aberrations that are introduced by the microscope objective in the object path using linear least square fitting techniques. This work demonstrates the strong potential of a DHM platform in 3-D live cell imaging, fast clinical quantifications and pathological applications. © (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.

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IITH Creators:
IITH CreatorsORCiD
John, Renuhttps://orcid.org/0000-0003-3254-2472
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Holography ; Microscopy ; Phase imaging ; Yeast ; Microscopes ; Optics ; Live cell imaging ; Algorithms ; Digital holography
Subjects: Biomedical Engineering
Divisions: Department of Biomedical Engineering
Depositing User: Team Library
Date Deposited: 15 Dec 2015 10:26
Last Modified: 05 Dec 2017 04:40
URI: http://raiith.iith.ac.in/id/eprint/2081
Publisher URL: https://doi.org/10.1117/12.2207425
OA policy: http://www.sherpa.ac.uk/romeo/issn/0277-786X/
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