Browsing PUBLICACIONS CIENTÍFIQUES by Author "Rambla-Alegre, Maria"
Now showing items 1-16 of 16
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A fast magnetic bead-based colorimetric immunoassay for the detection of tetrodotoxins in shellfish
Campàs, Mònica; Reverté, Jaume; Rambla-Alegre, Maria; Campbell, Katrina; Gerssen, Arjen; Diogène, Jorge (Food and Chemical Toxicology, 2020-04-05) Aigües Marines i ContinentalsTetrodotoxin (TTX) is a potent neurotoxin responsible for many food poisoning incidents and some fatalities. Although mainly associated with the consumption of pufferfish, in recent years, TTX has been ... -
Addressing the analytical challenges for the detection of ciguatoxins using an electrochemical biosensor
Leonardo, Sandra; Gaiani, Greta; Tsumuraya, Takeshi; Hirama, Masahiro; Turquet, Jean; Sagristà, Núria; Rambla-Alegre, Maria; Flores, Cintia; Caixach, Josep; Diogène, Jorge; O'Sullivan, Ciara K.; Alcaraz, Carles; Campàs, Mònica (Analytical Chemistry, 2020-03-05) Aigües Marines i ContinentalsThe importance of ciguatoxins (CTXs) in seafood safety and their emerging occurrence in locations far away from tropical areas highlight the need for simple and low-cost methods for the sensitive and ... -
Bioaccessibility of lipophilic and hydrophilic marine biotoxins in seafood: An in vitro digestion approach
Alves, Ricardo N.; Rambla-Alegre, Maria; Braga, Ana Catarina; Maulvault, Ana L.; Barbosa, Vera; Campàs, Mònica; Reverté, Laia; Flores, Cintia; Caixach, Josep; Kilcoyne, Jane; Costa, Pedro Reis; Diogène, Jorge; Marques, António (Food and Chemical Toxicology, 2019-04-28) Aigües Marines i ContinentalsThis study aimed to assess the bioaccessibility of different marine biotoxins in naturally contaminated shellfish and fish gonads using an in vitro digestion methodology. In general, hydrophilic toxins ... -
Cyclodextrin polymers as passive sampling materials for lipophilic marine toxins in Prorocentrum lima cultures and a Dinophysis sacculus bloom in the NW Mediterranean Sea
Campàs, Mònica; Rambla-Alegre, Maria; Wirén, Charlotta; Alcaraz, Carles; Rey, María; Safont, Anna; Diogène, Jorge; Torréns, Mabel; Fragoso, Alex (Chemosphere, 2021-07-09) Aigües Marines i ContinentalsCyclodextrins, 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 ... -
Detection of tetrodotoxins in juvenile pufferfish Lagocephalus sceleratus (Gmelin, 1789) from the North Aegean Sea (Greece) by an electrochemical magnetic bead-based immunosensing tool
Leonardo, Sandra; Kiparissis, Sotiris; Rambla-Alegre, Maria; Almarza, Sergi; Roque, Ana; Andree, Karl B.; Christidis, Aris; Flores, Cintia; Caixach, Josep; Campbell, Katrina; Elliott, Christopher T.; Aligizaki, Katerina; Diogène, Jorge; Campàs, Mònica (Food Chemistry, 2019-03-29) Aigües Marines i Continentals; AqüiculturaTwo small Lagocephalus sceleratus juveniles were captured in picarel targeting catches from North Aegean Sea (Greece) in the autumn of 2017. An electrochemical immunosensing tool using magnetic beads ... -
Detoxification of paralytic shellfish poisoning toxins in naturally contaminated mussels, clams and scallops by an industrial procedure
Cabado, Ana G.; Lago, Jorge; González, Virginia; Blanco, Lucía; Paz, Beatriz; Diogène, Jorge; Ferreres, Laura; Rambla-Alegre, Maria (Food and Chemical Toxicology, 2020-05-04) Aigües Marines i ContinentalsParalytic shellfish poisoning (PSP) episodes cause important economic impacts due to closure of shellfish production areas in order to protect human health. These closures, if are frequent and persistent, ... -
Development and validation of a maleimide-based enzyme-linked immunosorbent assay for the detection of tetrodotoxin in oysters and mussels
Reverté, Laia; Rambla-Alegre, Maria; Leonardo, Sandra; Bellés, Carlos; Campbell, Katrina; Elliott, Christopher T.; Gerssen, Arjen; Klijnstra, Mirjam D.; Diogène, Jorge; Campàs, Mònica (Talanta, 2017-08-18) Aigües Marines i ContinentalsThe recent detection of tetrodotoxins (TTXs) in puffer fish and shellfish in Europe highlights the necessity to monitor the levels of TTXs in seafood by rapid, specific, sensitive and reliable methods ... -
Evaluation of the occurrence and fate of pesticides in a typical Mediterranean delta ecosystem (EBRO RIVER delta) and risk assessment for aquatic organisms
Barbieri, Maria Vittoria; Peris, Andrea; Postigo, Cristina; Moya-Garcés, Alba; Monllor-Alcaraz, Luis Simón; Rambla-Alegre, Maria; Eljarrat, Ethel; López de Alda, Miren (Environmental Pollution, 2020-10-14) Aigües Marines i ContinentalsDelta ecosystems are areas of high ecologic and economic values, where wildlife commonly shares the territory with intensive agricultural activities, particularly, rice cultivation and seafood production. ... -
Identification of ciguatoxins in a shark involved in a fatal food poisoning in the Indian Ocean
Diogène, Jorge; Reverté, Laia; Rambla-Alegre, Maria; del Río, Vanessa; de la Iglesia, Pablo; Campàs, Mònica; Palacios, Oscar; Flores, Cintia; Caixach, Josep; Ralijaona, Christian; Razanajatovo, Iony; Pirog, Agathe; Magalon, Hélène; Arnich, Nathalie; Turquet, Jean (Scientific Reports, 2017-08-15) Aigües Marines i ContinentalsSevere food poisoning events after the consumption of sharks have been reported since the 1940s; however, there has been no clear understanding of their cause. Herein, we report for the frst time ... -
Identification of New CTX Analogues in Fish from the Madeira and Selvagens Archipelagos by Neuro-2a CBA and LC-HRMS
Tudó, Àngels; Rambla-Alegre, Maria; Flores, Cintia; Sagristà, Núria; Aguayo, Paloma; Reverté, Laia; Campàs, Mònica; Gouveia, Neide; Santos, Carolina; Andree, Karl B.; Marques, Antonio; Caixach, Josep; Diogène, Jorge (Marine Drugs, 2022-03-29) Aigües Marines i Continentals; AqüiculturaCiguatera Poisoning (CP) is caused by consumption of fish or invertebrates contaminated with ciguatoxins (CTXs). Presently CP is a public concern in some temperate regions, such as Macaronesia (North-Eastern ... -
Multibiomarker biomonitoring approach using three bivalve species in the Ebro Delta (Catalonia, Spain)
Dallarés, Sara; Carrasco, Noelia; Álvarez-Muñoz, Diana; Rambla-Alegre, Maria; Solé, Montserrat (Environmental Science and Pollution Research, 2018-10-31) Aigües Marines i Continentals; AqüiculturaBivalves have proved to be useful bioindicators for environmental pollution. In the present study, mussels (Mytilus galloprovincialis), cockles (Cerastoderma edule), and razor shells (Solen marginatus) ... -
Occurrence of cyclic imines in European commercial seafood and consumers risk assessment
Rambla-Alegre, Maria; Miles, Christopher O.; de la Iglesia, Pablo; Fernandez-Tejedor, Margarita; Jacobs, Silke; Sioen, Isabelle; Verbeke, Wim; Samdal, Ingunn A.; Sandvik, Morten; Barbosa, Vera; Tediosi, Alice; Madorran, Eneko; Granby, Kit; Kotterman, Michiel; Calis, Tanja; Diogene, Jorge (Environmental Research, 2017-12-01) Aigües Marines i ContinentalsCyclic imines constitute a quite recently discovered group of marine biotoxins that act on neural receptors and that bioaccumulate in seafood. They are grouped together due to the imino group functioning ... -
Occurrence of tetrodotoxin in bivalves and gastropods from harvesting areas and other natural spaces in Spain
Blanco, Lucía; Lago, Jorge; González, Virginia; Paz, Beatriz; Rambla-Alegre, Maria; Cabado, Ana G. (Toxins, 2019-06-11) Aigües Marines i ContinentalsTetrodotoxin (TTX) is a potent neurotoxin that is receiving increasing interest in the European Union because it has been found in different fishery products (fish, bivalves and gastropods) captured in ... -
Rapid screening and multi-toxin profile confirmation of tetrodotoxins and analogues in human body fluids derived from a puffer fish poisoning incident in New Caledonia
Rambla-Alegre, Maria; Leonardo, Sandra; Barguil, Yann; Flores, Cintia; Caixach, Josep; Campbell, Katrina; Elliott, Christopher T.; Maillaud, Claude; Boundy, Michael J.; Harwood, D. Tim; Campàs, Mònica; Diogène, Jorge (Food and Chemical Toxicology, 2017-12-30) Aigües Marines i ContinentalsIn August 2014, a puffer fish poisoning incidence resulting in one fatality was reported in New Caledonia. Although tetrodotoxin (TTX) intoxication was established from the patients' signs and symptoms, ... -
Self-assembled monolayer-based immunoassays for okadaic acid detection in seawater as monitoring tools
Leonardo, Sandra; Toldrà, Anna; Rambla-Alegre, Maria; Fernández-Tejedor, Margarita; Andree, Karl B.; Ferreres, Laura; Campbell, Katrina; Elliott, Christopher T.; O'Sullivan, Ciara K.; Pazos, Yolanda; Diogène, Jorge; Campàs, Mònica (Marine Environmental Research, 2017-11-14) Aigües Marines i Continentals; AqüiculturaRapid and cost-effective methods to monitor the presence of diarrhetic shellfish poisoning (DSP) toxins in seawater samples in an easy and reliable manner are required to protect human health and avoid ... -
Use of Mass Spectrometry to Determine the Diversity of Toxins Produced by Gambierdiscus and Fukuyoa Species from Balearic Islands and Crete (Mediterranean Sea) and the Canary Islands (Northeast Atlantic)
Estevez, Pablo; Sibat, Manoëlla; Leão-Martins, José Manuel; Tudó, Angels; Rambla-Alegre, Maria; Aligizaki, Katerina; Diogène, Jorge; Gago-Martinez, Ana; Hess, Philipp (Toxins, 2020-05-07) Aigües Marines i ContinentalsOver the last decade, knowledge has significantly increased on the taxonomic identity and distribution of dinoflagellates of the genera Gambierdiscus and Fukuyoa. Additionally, a number of hitherto ...