Autor segons l'article: Campas, Monica; Rambla-Alegre, Maria; Wiren, Charlotta; Alcaraz, Carles; Rey, Maria; Safont, Anna; Diogene, Jorge; Torrens, Mabel; Fragoso, Alex
Departament: Enginyeria Química
Autor/s de la URV: CAMPAS HOMS, MONICA / Fragoso Sierra, Alex / TORRENS DEL VALLE, MABEL
Paraules clau: Tandem mass spectrometry Supramolecular carrier systems Prorocentrum lima Polymers Pectenotoxin-2 (ptx2) Okadaic acid (oa) Okadaic acid Mediterranean sea Marine toxins Dinophysistoxin-1 (dtx1) Dinophysis sacculus Dinoflagellida Cyclodextrins Cyclodextrin Chromatography, liquid shellfish seawater prorocentrum lima profile pectenotoxin-2 (ptx2) okadaic acid (oa) okadaic acid mussels monitoring tool identification dinophysistoxin-1 (dtx1) dinophysis sacculus amperometric immunosensor adsorption
Resum: Cyclodextrins, cyclic oligomers that form a conical structure with an internal cavity, are proposed as new and sustainable materials for passive sampling of lipophilic marine toxins. Two applicability scenarios have been tested. First, disks containing β-cyclodextrin-hexamethylene diisocyanate (β-CD-HDI) and β-cyclodextrin-epichlorohydrin (β-CD-EPI) polymers were immersed in Prorocentrum lima cultures for different days (2, 12 and 40). LC-MS/MS analysis showed capture of free okadaic acid (OA) and dinophysistoxin-1 (DTX1) by cyclodextrins at contents that increased with immersion time. Cyclodextrins resulted more efficient in capturing DTX1 than OA. In a second experiment, disks containing β-CD-HDI, β-CD-EPI, γ-CD-HDI and γ-CD-EPI were deployed in harbor waters of El Masnou (NW Mediterranean Sea) during a Dinophysis sacculus bloom in February 2020. Free OA and pectenotoxin-2 (PTX2) were captured by cyclodextrins. Toxin contents were higher at sampling points and sampling weeks with higher D. sacculus cell abundance. In this case, PTX2 capture with cyclodextrins was more efficient than OA capture. Therefore, cyclodextrins have provided information regarding the toxin profile of a P. lima strain and the spatial and temporal dynamics of a D. sacculus bloom, proven efficient as passive sampling materials for environmental monitoring.
Àrees temàtiques: Zootecnia / recursos pesqueiros Saúde coletiva Química Public health, environmental and occupational health Pollution Odontología Nutrição Medicine (miscellaneous) Medicina veterinaria Medicina ii Medicina i Materiais Interdisciplinar Health, toxicology and mutagenesis Geociências General chemistry Farmacia Environmental sciences Environmental engineering Environmental chemistry Ensino Engenharias iii Engenharias ii Engenharias i Educação física Ciências biológicas iii Ciências biológicas ii Ciências biológicas i Ciências ambientais Ciências agrárias i Ciência de alimentos Chemistry (miscellaneous) Chemistry (all) Biotecnología Biodiversidade Astronomia / física
Accès a la llicència d'ús: https://creativecommons.org/licenses/by/3.0/es/
Adreça de correu electrònic de l'autor: monica.campas@urv.cat alex.fragoso@urv.cat
Identificador de l'autor: 0000-0002-1220-7100 0000-0003-4839-6094
Data d'alta del registre: 2024-10-12
Versió de l'article dipositat: info:eu-repo/semantics/acceptedVersion
Enllaç font original: https://www.sciencedirect.com/science/article/abs/pii/S0045653521019366
URL Document de llicència: https://repositori.urv.cat/ca/proteccio-de-dades/
Referència a l'article segons font original: Chemosphere. 285 131464-
Referència de l'ítem segons les normes APA: Campas, Monica; Rambla-Alegre, Maria; Wiren, Charlotta; Alcaraz, Carles; Rey, Maria; Safont, Anna; Diogene, Jorge; Torrens, Mabel; Fragoso, Alex (2021). Cyclodextrin polymers as passive sampling materials for lipophilic marine toxins in Prorocentrum lima cultures and a Dinophysis sacculus bloom in the NW Mediterranean Sea. Chemosphere, 285(), 131464-. DOI: 10.1016/j.chemosphere.2021.131464
DOI de l'article: 10.1016/j.chemosphere.2021.131464
Entitat: Universitat Rovira i Virgili
Any de publicació de la revista: 2021
Tipus de publicació: Journal Publications
Repositori URV