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- Murphy, Kathleen, 1972, et al.
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Fluorescence spectroscopy and multi-way techniques. PARAFAC
- 2013
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In: Analytical Methods. - : Royal Society of Chemistry (RSC). - 1759-9679 .- 1759-9660. ; 5:23, s. 6557-6566
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Journal article (peer-reviewed)abstract
- PARAllel FACtor analysis (PARAFAC) is increasingly used to decompose fluorescence excitation emission matrices (EEMs) into their underlying chemical components. In the ideal case where fluorescence conforms to Beers Law, this process can lead to the mathematical identification and quantification of independently varying fluorophores. However, many practical and analytical hurdles stand between EEM datasets and their chemical interpretation. This article provides a tutorial in the practical application of PARAFAC to fluorescence datasets, demonstrated using a dissolved organic matter (DOM) fluorescence dataset. A new toolbox for MATLAB is presented to support improved visualisation and sensitivity analyses of PARAFAC models in fluorescence spectroscopy. © 2013 The Royal Society of Chemistry.
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- Murphy, Kathleen, 1972, et al.
(author)
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OpenFluor- an online spectral library of auto-fluorescence by organic compounds in the environment
- 2014
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In: Analytical Methods. - : Royal Society of Chemistry (RSC). - 1759-9679 .- 1759-9660. ; 6:3, s. 658-661
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Journal article (peer-reviewed)abstract
- An online repository of published organic fluorescence spectra has been developed, which can be searched for quantitative matches with any set of unknown spectra. It fills a critical gap by increasing access to measured and modelled (PARAFAC) spectra, and linking across studies and systems to reveal "global" fluorescence trends.
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