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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Alegret, Salvador
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (25/25 displayed)
- 2011Magneto immunoassays for plasmodium falciparum histidine-rich protein 2 related to malaria based on magnetic nanoparticlescitations
- 2009Electrochemical immunosensor for the diagnosis of celiac diseasecitations
- 2009Double-tagging polymerase chain reaction with a thiolated primer and electrochemical genosensing based on gold nanocomposite sensor for food safetycitations
- 2009Immunoassay for folic acid detection in vitamin-fortified milk based on electrochemical magneto sensorscitations
- 2007Electrochemical magneto immunosensing of antibiotic residues in milkcitations
- 2007Bioaffinity platforms based on carbon-polymer biocomposites for electrochemical biosensingcitations
- 2007Electrochemical biosensing of pesticide residues based on affinity biocomposite platformscitations
- 2007In situ DNA amplification with magnetic primers for the electrochemical detection of food pathogenscitations
- 2006Novel routes for inter-matrix synthesis and characterization of polymer stabilized metal nanoparticles for molecular recognition devicescitations
- 2006Impedimetric genosensors for the detection of DNA hybridizationcitations
- 2006Genomagnetic assay based on label-free electrochemical detection using magneto-composite electrodescitations
- 2006Urea impedimetric biosensor based on polymer degradation onto interdigitated electrodescitations
- 2006Electrochemical magnetoimmunosensing strategy for the detection of pesticides residuescitations
- 2006Extractant assisted synthesis of polymer stabilized platinum and palladium metal nanoparticles for sensor applicationscitations
- 2006Electrochemical biosensing based on universal affinity biocomposite platformscitations
- 2005Integration of a glucose biosensor based on an epoxy-graphite- TTF·TCNQ-GOD biocomposite into a FIA systemcitations
- 2005Magnetically trigged direct electrochemical detection of DNA hybridization using Au67 quantum dot as electrical tracercitations
- 2005Electrochemical genosensing based on rigid carbon composites. A reviewcitations
- 2005Glucose biosensor based on carbon nanotube epoxy compositescitations
- 2005Sensitive stripping voltammetry of heavy metals by using a composite sensor based on a built-in bismuth precursorcitations
- 2004Renewable Protein A modified graphite-epoxy composite for electrochemical immunosensingcitations
- 2004Rigid carbon composites: A new transducing material for label-free electrochemical genosensingcitations
- 2003Graphite-epoxy platforms for electrochemical genosensingcitations
- 2003Rapid electrochemical genosensor assay using a streptavidin carbon-polymer biocomposite electrodecitations
- 2003Graphite-epoxy composites as a new transducing material for electrochemical genosensingcitations
Places of action
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article
Electrochemical magneto immunosensing of antibiotic residues in milk
Abstract
A novel electrochemical immunosensing strategy for the detection of sulfonamide antibiotics in milk based on magnetic beads is presented. Among the different strategies for immobilizing the class-specific anti-sulfonamide antibody to the magnetic beads - such as those based on the use of Protein A or carboxylate modified magnetic beads -,the best strategy was found to be the covalent bonding on tosyl-activated magnetic beads. The immunological reaction for the detection of sulfonamide antibiotics performed on the magnetic bead is based on a direct competitive assay using a tracer with HRP peroxidase for the enzymatic labelling. After the immunochemical reactions, the modified magnetic beads can be easily captured by a magneto sensor made of graphite-epoxy composite (m-GEC), which is also used as the transducer for the electrochemical immunosensing. The electrochemical detection is thus achieved through a suitable substrate for the enzyme HRP and an electrochemical mediator. The electrochemical approach is also compared with a novel magneto-ELISA with optical detection. The performance of the electrochemical immunosensing strategy based on magnetic beads was successfully evaluated using spiked milk samples, and the detection limit was found to be 1.44 μg L-1 (5.92 nmol L-1) for raw full cream milk. This strategy offers great promise for rapid, simple, cost-effective and on-site analysis of biological, food and environmental samples. © 2006 Elsevier B.V. All rights reserved.