Electrically addressable diazonium-functionalized antibodies for multianalyte electrochemical sensor applications.
Biosens Bioelectron
; 23(6): 757-64, 2008 Jan 18.
Article
en En
| MEDLINE
| ID: mdl-17900891
ABSTRACT
The direct electrically addressable deposition of diazonium-modified antibodies is examined for electrochemical immunosensing applications. The immobilized antibodies can be detected by the use of electroactive enzyme tags and nanoparticle-gold labeling. Control over antibody functionalization density and minimal spontaneous grafting of diazonium-antibody adducts is shown. The utility of the technique for a sandwich immunoassay as well as the ability to individually and selectively address closely spaced microelectrodes for multi-target protein detection in an array format is demonstrated.
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Banco de datos:
MEDLINE
Asunto principal:
Inmunoensayo
/
Técnicas Biosensibles
/
Citocinas
/
Electroquímica
Idioma:
En
Año:
2008
Tipo del documento:
Article