Electrochemical Immunosensors Based on Screen-Printed Gold and Glassy Carbon Electrodes: Comparison of Performance for Respiratory Syncytial Virus Detection.
cyclic voltammetry
electrochemical impedance spectroscopy
glassy carbon
gold electrode
respiratory syncytial virus
sensor
Journal
Biosensors
ISSN: 2079-6374
Titre abrégé: Biosensors (Basel)
Pays: Switzerland
ID NLM: 101609191
Informations de publication
Date de publication:
13 Nov 2020
13 Nov 2020
Historique:
received:
13
10
2020
revised:
06
11
2020
accepted:
12
11
2020
entrez:
18
11
2020
pubmed:
19
11
2020
medline:
14
5
2021
Statut:
epublish
Résumé
This paper presents the development and comparison of label-free electrochemical immunosensors based on screen-printed gold and glassy carbon (GC) disc electrodes for efficient and rapid detection of respiratory syncytial virus (RSV). Briefly, the antibody specific to the F protein of RSV was successfully immobilized on modified electrodes. Antibody coupling on the Au surface was conducted via 4-aminothiophenol (4-ATP) and glutaraldehyde (GA). The GC surface was modified with poly-L-lysine (PLL) for direct anti-RSV conjugation after EDC/NHS (1-Ethyl-3-(3-dimethylaminopropyl)carbodiimide/N-Hydroxysuccinimide) activation. Electrochemical characterizations of the immunosensors were carried out by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). GC-based immunosensors show a dynamic range of antigen detection from 1.0 × 10
Identifiants
pubmed: 33202922
pii: bios10110175
doi: 10.3390/bios10110175
pmc: PMC7698328
pii:
doi:
Substances chimiques
Gold
7440-57-5
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : Narodowe Centrum Badań i Rozwoju
ID : TECHMATSTRATEG 1/347324/12/NCBR/2017
Organisme : Narodowe Centrum Nauki
ID : 2018/29/B/NZ2/00668
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