The Human Health Assessment to Phthalate Acid Esters (PAEs) and Potential Probability Prediction by Chromophoric Dissolved Organic Matter EEM-FRI Fluorescence in Erlong Lake

International Journal of Environmental Research and Public Health
Meichen JiTianji Feng

Abstract

Phthalate acid esters (PAEs) are suspected to cause wide environmental pollution and have adverse effects on human health. Three priority control phthalates, namely dimethyl phthalate (DMP), diethyl phthalate (DEP), and dibutyl phthalate (DBP), were determined in 45 water samples from the largest drinking water source in Jilin Province. Chromophoric-dissolved organic matter (CDOM), which are composed of complex compounds and are a proxy for water quality, can be monitored using a fluorometer. This study attempted to understand the correlations of the CDOM fluorescence regional integration (FRI) components with PAEs and CDOM characteristics under seasonal and spatial variations in the Erlong Lake. The characteristics of the CDOM absorption parameters in different water samples showed a higher aromatic content and molecular weight in October because of increased terrestrial inputs. The Σ3PAEs concentrations ranged from 0.231 mg L-1 to 0.435 mg L-1 in water, and DEP contributed to more than 90% of the Σ3PAEs. The FRI method identified five fluorescence components: one tyrosine-like (R1), one tryptophan-like (R2), one fulvic-like (R3), one microbial protein-like (R4), and one humic-like (R5) component. However, significant relation...Continue Reading

References

Sep 28, 2015·The Science of the Total Environment·Thuy T BuiCynthia A de Wit
Apr 30, 2016·International Journal of Environmental Research and Public Health·Xiang ChenLijian Han
Jul 8, 2017·Environmental Science and Pollution Research International·He WangDa-Wen Gao
Sep 1, 2017·Environmental Science and Pollution Research International·Yanli KongLeitao Fan

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Citations

Feb 19, 2019·Food Additives & Contaminants. Part B, Surveillance·Jinling YangChengjun Sun

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Methods Mentioned

BETA
Fluorescence
PCA

Software Mentioned

CANOCO

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