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Non-target screening of anthropogenic compounds in sediments and dolphins from Brazil

Grant number: 17/19160-9
Support type:Scholarships abroad - Research Internship - Post-doctor
Effective date (Start): May 07, 2018
Effective date (End): June 27, 2018
Field of knowledge:Physical Sciences and Mathematics - Oceanography - Chemical Oceanography
Principal researcher:Rosalinda Carmela Montone
Grantee:Tatiane Combi
Supervisor abroad: Pablo Antonio Lara Martin
Home Institution: Instituto Oceanográfico (IO). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Research place: Universidad de Cádiz, Puerto Real (UCA), Spain  
Associated to the scholarship:16/21368-4 - Emerging contaminants in the South and Southeastern coast of Brazil: implementation of the analytical method and environmental distribution, BP.PD

Abstract

The use of large amounts of chemicals that are potentially harmful to the environment threatens water, sediment and biota. Although thousands of organic chemicals are being constantly produced, environmental studies and routine monitoring programs are usually focused on a short list of contaminants, especially well-known persistent organic pollutants (POPs) and, more recently, emerging contaminants (e.g. pharmaceuticals and personal care products). These targeted analyses are developed to exclusively measure specific compounds, inevitably failing to consider thousands of anthropogenic compounds whose occurrence in the environment is still unknown or, at the very least, poorly understood. On the other hand, non-target analysis is emerging as an attempt to identify and screen all the contaminants present in the environment. A fraction of these "neglected" chemicals (including metabolites and degradation products of some POPs) has been recently detected in the environment, especially in water and high trophic marine species, and are suspected to exhibit environmental persistence and toxicity, highlighting the importance of this subject in environmental studies. Thus, this project aims to evaluate the occurrence and identify non-target contaminants in surface sediments and dolphins from selected areas along the southern and southeastern Brazilian coast. This will not only enlarge the previous project but also apply state-of-the-art techniques that will allow the acquisition of new and rather scarce data, contributing with valuable information for this field of study.

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