Target and suspect screening High-Resolution Mass Spectrometry for the exhaustive monitoring of PCBs and pesticides in Posidonia oceanica meadows and sediments
This study enables the simultaneous monitoring of persistent organics pollutants (POPs) in the relevant marine seagrass Posidonia oceanica (L.) Delile (P. oceanica), without causing damage and preserving their ecological integrity and their key ecosystem services, and in marine sediments. Two classe...
| Main Authors: | , , , |
|---|---|
| Format: | info:eu-repo/semantics/article |
| Language: | English |
| Published: |
MDPI
2022
|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10835/14131 |
| _version_ | 1789406614473670656 |
|---|---|
| author | Astudillo Pascual, Marina Aguilera Aguilera, Pedro Garrido Frenich, Antonia Dóminguez Pérez, Irene |
| author_facet | Astudillo Pascual, Marina Aguilera Aguilera, Pedro Garrido Frenich, Antonia Dóminguez Pérez, Irene |
| author_sort | Astudillo Pascual, Marina |
| collection | DSpace |
| description | This study enables the simultaneous monitoring of persistent organics pollutants (POPs) in the relevant marine seagrass Posidonia oceanica (L.) Delile (P. oceanica), without causing damage and preserving their ecological integrity and their key ecosystem services, and in marine sediments. Two classes of POPs that suppose a current threat to the environmental health status are investigated: polychlorinated biphenyls (PCBs) and pesticides. Comparisons between tissues and sediment compartmentation are studied for the first time. For these purposes, the sediments, P. oceanica leaves and, as a novelty, rhizomes, were studied. Samples were analyzed by gas chromatography coupled with high-resolution mass spectrometry (GC-Q-Orbitrap MS) for a comprehensive study. Eco-friendly methods were developed and validated for the determination of 38 POPs, 25 PCBs and 13 priority pesticides. The results showed that, when detected, regulated contaminants were localized mainly in the long-lived rhizomes, and 7 PCBs (the most abundant being PCB 44) and 4 priority pesticides (trifluralin, chlorpyrifos, isodrin and o,p’-DDT) were seen. Additionally, a retrospective analysis (suspect screening) was conducted, exhibiting up to 13 current-use pesticide residues in leaves and rhizomes alike. The results suggest that P. oceanica might be acting as a sink to contaminants in coastal areas and that rhizomes, due to their longer lifespan, reflect past and legacy contamination. |
| format | info:eu-repo/semantics/article |
| id | oai:repositorio.ual.es:10835-14131 |
| institution | Universidad de Cuenca |
| language | English |
| publishDate | 2022 |
| publisher | MDPI |
| record_format | dspace |
| spelling | oai:repositorio.ual.es:10835-141312023-04-12T19:47:46Z Target and suspect screening High-Resolution Mass Spectrometry for the exhaustive monitoring of PCBs and pesticides in Posidonia oceanica meadows and sediments Astudillo Pascual, Marina Aguilera Aguilera, Pedro Garrido Frenich, Antonia Dóminguez Pérez, Irene seagrass leaves rhizomes sediments organic micropollutants POPs GC-HRMS polychlorinated biphenyls This study enables the simultaneous monitoring of persistent organics pollutants (POPs) in the relevant marine seagrass Posidonia oceanica (L.) Delile (P. oceanica), without causing damage and preserving their ecological integrity and their key ecosystem services, and in marine sediments. Two classes of POPs that suppose a current threat to the environmental health status are investigated: polychlorinated biphenyls (PCBs) and pesticides. Comparisons between tissues and sediment compartmentation are studied for the first time. For these purposes, the sediments, P. oceanica leaves and, as a novelty, rhizomes, were studied. Samples were analyzed by gas chromatography coupled with high-resolution mass spectrometry (GC-Q-Orbitrap MS) for a comprehensive study. Eco-friendly methods were developed and validated for the determination of 38 POPs, 25 PCBs and 13 priority pesticides. The results showed that, when detected, regulated contaminants were localized mainly in the long-lived rhizomes, and 7 PCBs (the most abundant being PCB 44) and 4 priority pesticides (trifluralin, chlorpyrifos, isodrin and o,p’-DDT) were seen. Additionally, a retrospective analysis (suspect screening) was conducted, exhibiting up to 13 current-use pesticide residues in leaves and rhizomes alike. The results suggest that P. oceanica might be acting as a sink to contaminants in coastal areas and that rhizomes, due to their longer lifespan, reflect past and legacy contamination. 2022-12-20T14:21:18Z 2022-12-20T14:21:18Z 2022-12-12 info:eu-repo/semantics/article 2227-9040 http://hdl.handle.net/10835/14131 10.3390/chemosensors10120531 en https://www.mdpi.com/2227-9040/10/12/531 Attribution-NonCommercial-NoDerivatives 4.0 Internacional http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess MDPI |
| spellingShingle | seagrass leaves rhizomes sediments organic micropollutants POPs GC-HRMS polychlorinated biphenyls Astudillo Pascual, Marina Aguilera Aguilera, Pedro Garrido Frenich, Antonia Dóminguez Pérez, Irene Target and suspect screening High-Resolution Mass Spectrometry for the exhaustive monitoring of PCBs and pesticides in Posidonia oceanica meadows and sediments |
| title | Target and suspect screening High-Resolution Mass Spectrometry for the exhaustive monitoring of PCBs and pesticides in Posidonia oceanica meadows and sediments |
| title_full | Target and suspect screening High-Resolution Mass Spectrometry for the exhaustive monitoring of PCBs and pesticides in Posidonia oceanica meadows and sediments |
| title_fullStr | Target and suspect screening High-Resolution Mass Spectrometry for the exhaustive monitoring of PCBs and pesticides in Posidonia oceanica meadows and sediments |
| title_full_unstemmed | Target and suspect screening High-Resolution Mass Spectrometry for the exhaustive monitoring of PCBs and pesticides in Posidonia oceanica meadows and sediments |
| title_short | Target and suspect screening High-Resolution Mass Spectrometry for the exhaustive monitoring of PCBs and pesticides in Posidonia oceanica meadows and sediments |
| title_sort | target and suspect screening high-resolution mass spectrometry for the exhaustive monitoring of pcbs and pesticides in posidonia oceanica meadows and sediments |
| topic | seagrass leaves rhizomes sediments organic micropollutants POPs GC-HRMS polychlorinated biphenyls |
| url | http://hdl.handle.net/10835/14131 |
| work_keys_str_mv | AT astudillopascualmarina targetandsuspectscreeninghighresolutionmassspectrometryfortheexhaustivemonitoringofpcbsandpesticidesinposidoniaoceanicameadowsandsediments AT aguileraaguilerapedro targetandsuspectscreeninghighresolutionmassspectrometryfortheexhaustivemonitoringofpcbsandpesticidesinposidoniaoceanicameadowsandsediments AT garridofrenichantonia targetandsuspectscreeninghighresolutionmassspectrometryfortheexhaustivemonitoringofpcbsandpesticidesinposidoniaoceanicameadowsandsediments AT dominguezperezirene targetandsuspectscreeninghighresolutionmassspectrometryfortheexhaustivemonitoringofpcbsandpesticidesinposidoniaoceanicameadowsandsediments |