2016
DOI: 10.2971/jeos.2016.16014
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Spectroscopic evidence of anthropogenic compounds extraction from polymers by fluorescent dissolved organic matter in natural water

Abstract: FDOM is one of the most important carriers of anthropogenic compounds in natural waters. It can combine with environmental contaminants and polymers to form diverse chemical structures. To this end, here a microfluidic chip was designed for the analysis of these changes in fluorescent dissolved organic matter (FDOM) fingerprints due to thermal treatment and varying time intervals of exposure. Excitation Emission Matrix Spectroscopy (EEMS) approach was utilized to detect and identify the inherent compounds in s… Show more

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Cited by 6 publications
(5 citation statements)
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“…According to the location of specific peaks in excitation-emission matrices (EEMs), the main composition, source and transformations of DOM in the samples are possible to describe (Coble, 1996). One important characteristic of fluorescence spectroscopy techniques, in samples not submitted to inner filter effects, is the strong correlation of the fluorophore concentration with emission intensity (Kowalczuk et al, 2005;Hudson et al, 2007;Miranda et al, 2016). This property allows the tracing of production, transformation, and fate of new fluorescent compounds in the SML and ULW as was reported by Galgani and Engel (2016).…”
Section: Research Articlementioning
confidence: 88%
“…According to the location of specific peaks in excitation-emission matrices (EEMs), the main composition, source and transformations of DOM in the samples are possible to describe (Coble, 1996). One important characteristic of fluorescence spectroscopy techniques, in samples not submitted to inner filter effects, is the strong correlation of the fluorophore concentration with emission intensity (Kowalczuk et al, 2005;Hudson et al, 2007;Miranda et al, 2016). This property allows the tracing of production, transformation, and fate of new fluorescent compounds in the SML and ULW as was reported by Galgani and Engel (2016).…”
Section: Research Articlementioning
confidence: 88%
“…Sources and transformations of DOM compounds in a sample can be determined as a function of the location of specific peaks in EEMs of the main fluorescent components [2,34]. Among the advantages derived from the use of the excitation-emission matrix spectroscopy (EEMS), in samples exempted of the inner filter effect, is the good correlation between the emission intensity and the concentration of the fluorescent group [35][36][37]. The correlation between the fluorophore concentration and emission intensity has been used to track the fate, stability, reuse and transformation of fluorescent compounds in diverse aquatic environments [12,38,39].…”
Section: Introductionmentioning
confidence: 99%
“…We are seeking a solution that is relatively simple, yet contains significant spectral information. The point is not to make unjustifiably wide measurements, i.e., in the spectral range in which the fluorescence of natural water components such as coloured dissolved organic matter (CDOM) or fluorescent dissolved organic matter (FDOM) or pigments [23][24][25][26][27] which display their own fluorescence spectra and partly overlap with the fluorescence of the oil.…”
Section: Introductionmentioning
confidence: 99%