6533b82bfe1ef96bd128cd33
RESEARCH PRODUCT
Highly selective detection of Epinephrine at oxidized Single-Wall Carbon Nanohorns modified Screen Printed Electrodes (SPEs)
Franco CataldoMaurizio PratoNicoletta DitarantoE. CiambellaZois SyrgiannisGiuseppe PalleschiFrancesco GiacaloneFederica ValentiniMarcella BonchioL. SabatiniValeria Contesubject
Neurotransmitters; Screen Printed Electrodes (SPEs); Selective detection; SWCNHs; Biosensing Techniques; Electrochemical Techniques; Electrodes; Epinephrine; Limit of Detection; Nanostructures; Oxidation-Reduction; Reproducibility of Results; Biophysics; Biomedical Engineering; Biotechnology; Electrochemistry; Medicine (all)NanostructureEpinephrineScreen Printed Electrodes (SPEs)ElectrodeBiophysicsAnalytical chemistryBiomedical EngineeringReproducibility of ResultBiosensing TechniquesElectrochemistryNanomaterialsSWCNHs; Screen Printed Electrodes (SPEs); Neurotransmitters; Selective detectionBiosensing TechniqueSelective detectionLimit of DetectionElectrochemistrySWCNHSettore CHIM/01 - Chimica AnaliticaNeurotransmitterElectrodesDetection limitSWCNHsReproducibilityElectrochemical TechniqueChemistryMedicine (all)Reproducibility of ResultsGeneral MedicineElectrochemical TechniquesNeurotransmittersAscorbic acidNanostructuresLinear rangeBiophysicElectrodeDifferential pulse voltammetryOxidation-ReductionNuclear chemistryBiotechnologydescription
Oxidized Single-Wall Carbon Nanohorns (o-SWCNHs) were used, for the first time, to assemble chemically modified Screen Printed Electrodes (SPEs) selective towards the electrochemical detection of Epinephrine (Ep), in the presence of Serotonine-5-HT (S-5HT), Dopamine (DA), Nor-Epineprhine (Nor-Ep), Ascorbic Acid (AA), Acetaminophen (Ac) and Uric Acid (UA). The Ep neurotransmitter was detected by using Differential Pulse Voltammetry (DPV), in a wide linear range of concentration (2-2500 μM) with high sensitivity (55.77 A M(-1) cm(-2)), very good reproducibility (RSD% ranging from 2 to 10 for different SPEs), short response time for each measurement (only 2s) and low detection of limit (LOD=0.1 μM). o-SWCNHs resulted in higher analytical performances when compared with other nanomaterials used in literature for electrochemical sensors assembly.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2014-01-01 |