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Issue 7, 2013
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ATR-FTIR spectroscopic imaging: recent advances and applications to biological systems

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Abstract

Attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopic imaging is a highly versatile, label free and non-destructive chemical imaging method which can be applied to study a wide range of samples and systems. This review summarises some of the recent advances and applications of this imaging method in the area of biomedical studies, including examples of section of aorta, skin tissue and live cells. Two of the major advantages of measuring in ATR mode are the opportunity to measure samples that absorb strongly in the IR spectrum, such as aqueous systems, without significant sample preparation and the ability to increase the spatial resolution of the measured image. The implications of these advantages as well as some limitations of this imaging approach are discussed and a brief outlook at some of the possible future developments in this area is provided.

Graphical abstract: ATR-FTIR spectroscopic imaging: recent advances and applications to biological systems

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Publication details

The article was received on 17 Dec 2012, accepted on 01 Feb 2013 and first published on 01 Feb 2013


Article type: Tutorial Review
DOI: 10.1039/C3AN36865C
Citation: Analyst, 2013,138, 1940-1951
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    ATR-FTIR spectroscopic imaging: recent advances and applications to biological systems

    S. G. Kazarian and K. L. A. Chan, Analyst, 2013, 138, 1940
    DOI: 10.1039/C3AN36865C

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