Highly selective detection of Epinephrine at oxidized Single-Wall Carbon Nanohorns modified Screen Printed Electrodes (SPEs)

Francesco Giacalone, Ditaranto, Marcella Bonchio, Palleschi, Cataldo, Valentini, Zois Syrgiannis, Sabatini, Ciambella, Conte, Maurizio Prato

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

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 2 s) 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.
Original languageEnglish
Pages (from-to)94-98
Number of pages5
JournalBIOSENSORS & BIOELECTRONICS
Volume59
Publication statusPublished - 2014

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Nanohorns
Epinephrine
Electrodes
Carbon
Electrochemical sensors
Nanostructures
Ascorbic acid
Voltammetry
Acetaminophen
Uric Acid
Nanostructured materials
Ascorbic Acid
Reaction Time
Neurotransmitter Agents
Limit of Detection
Dopamine
Serotonin
Acids

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Electrochemistry
  • Biomedical Engineering
  • Biophysics

Cite this

Highly selective detection of Epinephrine at oxidized Single-Wall Carbon Nanohorns modified Screen Printed Electrodes (SPEs). / Giacalone, Francesco; Ditaranto; Bonchio, Marcella; Palleschi; Cataldo; Valentini; Syrgiannis, Zois; Sabatini; Ciambella; Conte; Prato, Maurizio.

In: BIOSENSORS & BIOELECTRONICS, Vol. 59, 2014, p. 94-98.

Research output: Contribution to journalArticle

Giacalone, F, Ditaranto, Bonchio, M, Palleschi, Cataldo, Valentini, Syrgiannis, Z, Sabatini, Ciambella, Conte & Prato, M 2014, 'Highly selective detection of Epinephrine at oxidized Single-Wall Carbon Nanohorns modified Screen Printed Electrodes (SPEs)', BIOSENSORS & BIOELECTRONICS, vol. 59, pp. 94-98.
Giacalone, Francesco ; Ditaranto ; Bonchio, Marcella ; Palleschi ; Cataldo ; Valentini ; Syrgiannis, Zois ; Sabatini ; Ciambella ; Conte ; Prato, Maurizio. / Highly selective detection of Epinephrine at oxidized Single-Wall Carbon Nanohorns modified Screen Printed Electrodes (SPEs). In: BIOSENSORS & BIOELECTRONICS. 2014 ; Vol. 59. pp. 94-98.
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AU - Bonchio, Marcella

AU - Palleschi, null

AU - Cataldo, null

AU - Valentini, null

AU - Syrgiannis, Zois

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AU - Ciambella, null

AU - Conte, null

AU - Prato, Maurizio

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AB - 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 2 s) 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.

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