Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/320417
Type: Artigo de Periódico
Title: Quantification Of Sterol And Triterpenol Biomarkers In Sediments Of The Cananeia-iguape Estuarine-lagoonal System (brazil) By Uhplc-ms/ms
Author: Bataglion
GA; Koolen
HHF; Weber
RR; Eberlin
MN
Abstract: Sterols and triterpenols present in sedimentary cores from 12 stations along the Cananeia-Iguape estuarine-lagoonal system were investigated by ultra-high performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS). Ten sterols and three triterpenols were identified and quantified, indicating both natural and anthropogenic sources. The relative distributions of sterol and triterpenol showed that the study area is submitted to organic matter (OM) from the Ribeira de Iguape River, seawater, surrounding vegetation, and plankton production. The contribution of these sources depends on the region of the estuarine-lagoonal system and the depth of sediment. Regarding anthropogenic sources, only the samples submitted to freshwater flow from the Ribeira de Iguape River presented concentration of coprostanol higher than the threshold value and diagnostic ratios, coprostanol/(coprostanol + cholestanol) and coprostanol/cholesterol, that indicate moderate contamination by domestic sewage in that area of the estuarine-lagoonal system. Therefore, the approach used herein identified the OM sources and its transport along the Cananeia-Iguape estuarine-lagoonal system (Brazil), which is a complex of lagoonal channels located in a United Nations Educational, Scientific and Cultural Organization (UNESCO) Biosphere Reserve.
Subject: Tandem Mass-spectrometry
Organic-matter
Quantitative-analysis
Surface Sediments
Sewage Input
Contamination
Markers
Phytosterols
Rivers
Carbon
Editor: HINDAWI PUBLISHING CORP
Citation: International Journal Of Analytical Chemistry. HINDAWI PUBLISHING CORP, n. 8361375, p. .
Rights: aberto
Identifier DOI: 10.1155/2016/8361375
Address: https://www.hindawi.com/journals/ijac/2016/8361375/abs/
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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