Author, as appears in the article.: Gaiani, Greta; O'Sullivan, Ciara K.; Campas, Monica;

Department: Enginyeria Química

URV's Author/s: CAMPAS HOMS, MONICA / GAIANI, GRETA / O'SULLIVAN, CIARA KATHLEEN

Keywords: Toxin detection Toxin capture Saxitoxin Particles Okadaic acid Nanoparticles Marine toxin Magnetic bead Liquid Immunosensor Immunoassay Field Extraction Electrochemical biosensors Electrochemical biosensor Aptamer Antibody Amperometric immunosensor

Abstract: Due 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 of magnetic beads (MBs) for the detection of marine toxins in shellfish and fish samples, with an emphasis on their incorporation into electrochemical biosensors. The use of MBs as supports for the immobilization of toxins or antibodies, as signal amplifiers as well as for target pre-concentration, is reviewed. In addition, the exploitation of MBs in Systematic Evolution of Ligands by Exponential enrichment (SELEX) for the selection of aptamers is presented. These MB-based strategies have led to the development of sensitive, simple, reliable and robust analytical systems for the detection of toxins in natural samples, with applicability in seafood safety and human health protection.

Thematic Areas: Materials science, multidisciplinary Materials chemistry Electronic, optical and magnetic materials Chemistry, physical Chemistry, inorganic & nuclear Chemistry (miscellaneous)

licence for use: https://creativecommons.org/licenses/by/3.0/es/

ISSN: 23127481

Author's mail: monica.campas@urv.cat greta.gaiani@estudiants.urv.cat greta.gaiani@estudiants.urv.cat

Author identifier: 0000-0002-1220-7100

Record's date: 2023-06-09

Papper version: info:eu-repo/semantics/publishedVersion

Link to the original source: https://www.mdpi.com/2312-7481/5/4/62

Licence document URL: http://repositori.urv.cat/ca/proteccio-de-dades/

Papper original source: Magnetochemistry. 5 (4):

APA: Gaiani, Greta; O'Sullivan, Ciara K.; Campas, Monica; (2019). Magnetic Beads in Marine Toxin Detection: A Review. Magnetochemistry, 5(4), -. DOI: 10.3390/magnetochemistry5040062

Article's DOI: 10.3390/magnetochemistry5040062

Entity: Universitat Rovira i Virgili

Journal publication year: 2019

Publication Type: Journal Publications