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Proceedings Article

Dynamic phase imaging and processing of moving biological organisms

[+] Author Affiliations
Katherine Creath, Goldie Goldstein

4D Technology Corp. (United States)

Proc. SPIE 8227, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XIX, 82270M (February 1, 2012); doi:10.1117/12.908859
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From Conference Volume 8227

  • Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XIX
  • Jose-Angel Conchello; Carol J. Cogswell; Tony Wilson; Thomas G. Brown
  • San Francisco, California, USA | January 21, 2012

abstract

This paper describes recent advances in developing a new, novel interference Linnik microscope system and presents images and data of live biological samples. The specially designed optical system enables instantaneous 4-dimensional video measurements of dynamic motions within and among live cells without the need for contrast agents. "Label-free" measurements of biological objects in reflection using harmless light levels are possible without the need for scanning and vibration isolation. This instrument utilizes a pixelated phase mask enabling simultaneous measurement of multiple interference patterns taking advantage of the polarization properties of light enabling phase image movies in real time at video rates to track dynamic motions and volumetric changes. Optical thickness data are derived from phase images after processing to remove the background surface shape to quantify changes in cell position and volume. Data from a number of different pond organisms will be presented, as will measurements of human breast cancer cells with the addition of various agents that break down the cells. These data highlight examples of the image processing involved and the monitoring of different biological processes.© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Katherine Creath and Goldie Goldstein
"Dynamic phase imaging and processing of moving biological organisms", Proc. SPIE 8227, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XIX, 82270M (February 1, 2012); doi:10.1117/12.908859; http://dx.doi.org/10.1117/12.908859


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