Electrografting of diazonium salt for SPR application

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TitreElectrografting of diazonium salt for SPR application
Type de publicationJournal Article
Year of Publication2019
AuteursFioresi F., Rouleau A., Maximova K., Vieillard J., Boireau W., C. Caille E, Soulignac C., Zeggari R., Clamens T., Lesouhaitier O., Mofaddel N., Le Derf F.
JournalMATERIALS TODAY-PROCEEDINGS
Volume6
Pagination340-344
Type of ArticleProceedings Paper
ISSN2214-7853
Mots-clésaffinity constant, Diazonium salt, Electrochemistry, ovalbumin, SPRi, Surface plasmon resonance
Résumé

A general method to develop diazonium-based biochip for SPRi analysis is presented. The electrografting of carboxybenzene diazonium salt is optimized in order to fit with the requirement of the SPR technology. The influence of the surface preparation on plasmon quality is discussed and the performance of this original modified biochip is investigated for determining the binding constants between circulating ovalbumin and spotted anti-ovalbumin antibody. The kinetic constants are calculated and compared with literature and similar performances are reached confirming that diazonium based biochip is a good complement to commercial SPRi sensor. (C) 2018 Elsevier Ltd. All rights reserved.

DOI10.1016/j.matpr.2018.10.428