Browsing PUBLICACIONS CIENTÍFIQUES by Author "O'Sullivan, Ciara K."
Now showing items 1-14 of 14
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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 ... -
Colorimetric DNA-based assay for the specific detection and quantification of Ostreopsis cf. ovata and Ostreopsis cf. siamensis in the marine environment
Toldrà, Anna; Alcaraz, Carles; Andree, Karl B.; Fernández-Tejedor, Margarita; Diogène, Jorge; Katakis, Ioanis; O'Sullivan, Ciara K.; Campàs, Mònica (Harmful Algae, 2019-03-16) Aigües Marines i Continentals; AqüiculturaOstreopsis is a toxic benthic dinoflagellate largely distributed worldwide in tropical and temperate areas. In the Mediterranean Sea, periodic summer blooms have been reported and have become a serious ... -
Detecting harmful algal blooms with isothermal molecular strategies
Toldrà, Anna; O'Sullivan, Ciara K.; Campàs, Mònica (Trends in Biotechnology, 2019-08-06) Aigües Marines i ContinentalsThe use of isothermal nucleic acid amplification strategies to detect harmful algal blooms (HABs) is in its infancy. We describe recent advances in these systems and highlight the challenges for the ... -
Detecting harmful algal blooms with nucleic acid amplification-based biotechnological tools
Toldrà, Anna; O'Sullivan, Ciara K.; Diogène, Jorge; Campàs, Mònica (Science of The Total Environment, 2020-08-10) Aigües Marines i ContinentalsHarmful algal blooms (HABs) represent a growing threat to aquatic ecosystems and humans. Effective HAB management and mitigation efforts strongly rely on the availability of timely and in-situ tools for ... -
Detection and quantification of the toxic marine microalgae Karlodinium veneficum and Karlodinium armiger using recombinase polymerase amplification and enzyme-linked oligonucleotide assay
Toldrà, Anna; Jauset-Rubio, Míriam; Andree, Karl B.; Fernández-Tejedor, Margarita; Diogène, Jorge; Katakis, Ioanis; O'Sullivan, Ciara K.; Campàs, Mònica (Analytica Chimica Acta, 2018-07-28) Aigües Marines i Continentals; AqüiculturaKarlodinium is a dinoflagellate responsible for fish-killing events worldwide. In Alfacs Bay (NW Mediterranean Sea), the presence of two Karlodinium species (K. veneficum and K. armiger) with different ... -
Detection of azaspiracids in mussels using electrochemical immunosensors for fast screening in monitoring programs
Leonardo, Sandra; Kilcoyne, Jane; Samdal, Ingunn A.; Miles, Christopher O.; O'Sullivan, Ciara K.; Diogène, Jorge; Campàs, Mònica (Sensors and Actuators B: Chemical, 2018-02-06) Aigües Marines i ContinentalsGiven the widespread occurrence of azaspiracids (AZAs), it is clearly necessary to advance in simple and low-cost methods for the rapid detection of these marine toxins in order to protect seafood ... -
Detection of Gambierdiscus and Fukuyoa single cells using recombinase polymerase amplification combined with a sandwich hybridization assay
Gaiani, Greta; Toldrà, Anna; Andree, Karl B.; Rey, María; Diogène, Jorge; Alcaraz, Carles; O'Sullivan, Ciara K.; Campàs, Mònica (Journal of Applied Phycology, 2021-04-10) Aigües Marines i Continentals; AqüiculturaDinoflagellates of the genera Gambierdiscus and Fukuyoa are known to produce several bioactive compounds including the potent neurotoxic ciguatoxins (CTXs) which are able to accumulate in fish and through ... -
Detection of isothermally amplified ostreid herpesvirus 1 DNA in Pacific oyster (Crassostrea gigas) using a miniaturised electrochemical biosensor
Toldrà, Anna; Furones, M. Dolors; O'Sullivan, Ciara K.; Campàs, Mònica (Talanta, 2019-09-02) Aigües Marines i Continentals; AqüiculturaGiven the threat that ostreid herpesvirus 1 (OsHV-1) poses to shellfish aquaculture, the need for rapid, user-friendly and cost-effective methods to detect this marine pathogen and minimise its impact ... -
Detection of Ostreopsis cf. ovata in environmental samples using an electrochemical DNA-based biosensor
Toldrà, Anna; Alcaraz, Carles; Diogène, Jorge; O'Sullivan, Ciara K.; Campàs, Mònica (Science of the Total Environment, 2019-06-28) Aigües Marines i ContinentalsOstreopsis cf. ovata is a benthic microalga distributed in tropical and temperate regions worldwide which produces palytoxins (PlTXs). Herein, an electrochemical biosensor for the detection of this toxic ... -
Electrochemical biosensor for the dual detection of Gambierdiscus australes and Gambierdiscus excentricus in field samples. First report of G. excentricus in the Balearic Islands
Gaiani, Greta; Cucchi, Francesca; Toldrà, Anna; Andree, Karl B.; Rey, María; Tsumuraya, Takeshi; O'Sullivan, Ciara K.; Diogène, Jorge; Campàs, Mònica (Science of The Total Environment, 2021-10-13) Aigües Marines i Continentals; AqüiculturaSeveral genera of marine dinoflagellates are known to produce bioactive compounds that affect human health. Among them, Gambierdiscus and Fukuyoa stand out for their ability to produce several toxins, ... -
Electrochemical genosensor for the direct detection of tailed PCR amplicons incorporating ferrocene labelled dATP
Magriñá, Ivan; Toldrà, Anna; Campàs, Mònica; Ortiz, Mayreli; Simonova, Anna; Katakis, Ioanis; Hocek, Michal; O'Sullivan, Ciara K. (Biosensors and Bioelectronics, 2019-03-30) Aigües Marines i ContinentalsAn electrochemical genosensor for the detection and quantification of Karlodinium armiger is presented. The genosensor exploits tailed primers and ferrocene labelled dATP analogue to produce PCR products ... -
Hybrid Antibody–Aptamer Assay for Detection of Tetrodotoxin in Pufferfish
Shkembi, Xhensila; Skouridou, Vasso; Svobodova, Marketa; Leonardo, Sandra; Bashammakh, Abdulaziz S.; Alyoubi, Abdulrahman O.; Campàs, Mònica; O'Sullivan, Ciara K. (Analytical Chemistry, 2021-10-26) Aigües Marines i ContinentalsThe marine toxin tetrodotoxin (TTX) poses a great risk to public health safety due to its severe paralytic effects after ingestion. Seafood poisoning caused by the consumption of contaminated marine ... -
Magnetic beads in marine toxin detection: A review
Gaiani, Greta; O'Sullivan, Ciara K.; Campàs, Mònica (Magnetochemistry, 2019-11-12) Aigües Marines i ContinentalsDue to the expanding occurrence of marine toxins, and their potential impact on human health, there is an increased need for tools for their rapid and efficient detection. We give an overview of the use ... -
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 ...