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Int. J. Mol. Sci. 2013, 14(11), 22753-22781; doi:10.3390/ijms141122753

Opportunities for Live Cell FT-Infrared Imaging: Macromolecule Identification with 2D and 3D Localization

1
Department of Physics, University of Wisconsin-Milwaukee, 1900 E Kenwood Blvd, Milwaukee, WI 53211, USA
2
Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, 8701 Watertown Plank Road, BSB building 428, Milwaukee, WI 53226, USA
*
Author to whom correspondence should be addressed.
Received: 8 October 2013 / Revised: 31 October 2013 / Accepted: 1 November 2013 / Published: 19 November 2013
(This article belongs to the Special Issue Frontiers of Micro-Spectroscopy in Biological Applications)
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Abstract

Infrared (IR) spectromicroscopy, or chemical imaging, is an evolving technique that is poised to make significant contributions in the fields of biology and medicine. Recent developments in sources, detectors, measurement techniques and speciman holders have now made diffraction-limited Fourier transform infrared (FTIR) imaging of cellular chemistry in living cells a reality. The availability of bright, broadband IR sources and large area, pixelated detectors facilitate live cell imaging, which requires rapid measurements using non-destructive probes. In this work, we review advances in the field of FTIR spectromicroscopy that have contributed to live-cell two and three-dimensional IR imaging, and discuss several key examples that highlight the utility of this technique for studying the structure and chemistry of living cells.
Keywords: infrared spectromicroscopy; flow cell; raster scanning; microtomography; transflection; scattering; deconvolution; Thalassiosira weissflogii; sensory neurons infrared spectromicroscopy; flow cell; raster scanning; microtomography; transflection; scattering; deconvolution; Thalassiosira weissflogii; sensory neurons
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Mattson, E.C.; Aboualizadeh, E.; Barabas, M.E.; Stucky, C.L.; Hirschmugl, C.J. Opportunities for Live Cell FT-Infrared Imaging: Macromolecule Identification with 2D and 3D Localization. Int. J. Mol. Sci. 2013, 14, 22753-22781.

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