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Issue 22, 2013
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Biological detection by optical oxygen sensing

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Recent developments in the area of biological detection by optical sensing of molecular oxygen (O2) are reviewed, with particular emphasis on the quenched-phosphorescence O2 sensing technique. Following a brief introduction to the main principles, materials and formats of sensor technology, the main groups of applications targeted to biological detection using an O2 transducer are described. These groups include: enzymatic assays; analysis of respiration of mammalian and microbial cells, small organisms and plants; food and microbial safety; monitoring of oxygenation in cell cultures, 3D models of live tissue, bioreactors and fluidic chips; ex vivo and in vivo O2 measurements; trace O2 analysis. For these systems, which enable a range of new bioanalytical tasks with different samples and models in a minimally invasive, contact-less manner, with high sensitivity, flexibility and imaging capabilities in 2D and 3D, relevant practical examples are presented and their merits and limitations discussed. An outlook of future scientific and technological developments in the field is also provided.

Graphical abstract: Biological detection by optical oxygen sensing

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Publication details

The article was received on 08 Apr 2013 and first published on 18 Jun 2013

Article type: Review Article
DOI: 10.1039/C3CS60131E
Citation: Chem. Soc. Rev., 2013,42, 8700-8732
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    Biological detection by optical oxygen sensing

    D. B. Papkovsky and R. I. Dmitriev, Chem. Soc. Rev., 2013, 42, 8700
    DOI: 10.1039/C3CS60131E

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