Title :
Effects of bisphenol a on dissolved organic matter fluorescence characteristics using parallel factor analysis (PARAFAC) modeling
Author :
Xiao, Yihua ; Huang, Qinghui ; Chen, Ling ; Wang, Feng ; Li, Penghui
Author_Institution :
State Key Lab. of Pollution Control & Resources Reuse, Tongji Univ., Shanghai, China
Abstract :
The effects of bisphenol A (BPA) on dissolved organic matter (DOM) fluorescence spectroscope were studied in this paper. Dissolved organic matter was water-extracted from soil and plants near the Beiheng river bank of Chongming Island. The results show that BPA could significantly decrease the DOM fluorescence intensity. Parallel factor analysis (PARAFAC) is a new and sensitive method to decompose the fluorescence matrices of DOM florescence spectroscope into different fluorescent components. In this study, two humic-like components (C1 and C2) and one protein-like component (C3) of DOM fluorescence were identified by using PARAFAC modeling. The relative decrease of components fluorescence after BPA treatment is dependent on the fraction of DOM. The protein-like fluorescent component is more active than humic-like components in the reaction of BPA and DOM. This research reveals that PARAFAC analysis is a fast and useful tool to inspect the interactions of xenobiotics and DOM fractions in water systems.
Keywords :
fluorescence; geophysical techniques; matrix decomposition; organic compounds; soil; soil pollution; vegetation; Beiheng river bank; Chongming Island; PARAFAC modeling; bisphenol A effects; dissolved organic matter fluorescence characteristics; fluorescence decomposition; humic-like components; parallel factor analysis; plants; protein-like component; soil; xenobiotics; Analytical models; Fluorescence; Optical filters; Pollution control; Proteins; Soil; Water pollution; Parallel factor analysis; bisphenol A; dissolved organic matter; fluorescence spectroscope;
Conference_Titel :
Mechanic Automation and Control Engineering (MACE), 2011 Second International Conference on
Conference_Location :
Hohhot
Print_ISBN :
978-1-4244-9436-1
DOI :
10.1109/MACE.2011.5987395