Accéder directement au contenu Accéder directement à la navigation
Article dans une revue

Modification of glassy carbon electrodes by 4-chloromethylphenyl units and d-glucosaminic acid

Abstract :

The present work is dealing with the attachment of d-glucosaminic acid (D-GA) on glassy carbon electrode by two different methods. Firstly, the electrode was modified by chloromethylphenyl groups by reduction of 4-chloromethylphenyldiazonium cations followed by the nucleophilic substitution of the chlorine by the amine functionality of D-GA and secondly by the direct immobilization of the amine terminated molecule. The generality of the nucleophilic substitution reaction and the direct immobilization of an amine were also demonstrated with reactants bearing an electroactive ferrocene moiety; 4-nitrophenylferrocene (NFc) and 4-ferrocenylaniline (FcA). The surfaces modified with FcA and NFc were investigated by cyclic voltammetry, and the D-GA modified electrodes were characterized by X-ray photoelectron spectroscopy. A preliminary evaluation of the efficiency of these surface modifiers to prevent protein adsorption was realized by scanning electron microscopy.

Type de document :
Article dans une revue
Domaine :
Liste complète des métadonnées

https://hal.univ-angers.fr/hal-03343358
Contributeur : Okina Université d'Angers <>
Soumis le : mardi 14 septembre 2021 - 10:25:42
Dernière modification le : mercredi 15 septembre 2021 - 03:27:13

Identifiants

Citation

Christelle Gautier, Ouassim Ghodbane, Danial Wayner, Daniel Bélanger. Modification of glassy carbon electrodes by 4-chloromethylphenyl units and d-glucosaminic acid. Electrochimica Acta, Elsevier, 2009, 54 (26), pp.6327 - 6334. ⟨10.1016/j.electacta.2009.05.072⟩. ⟨hal-03343358⟩

Partager

Métriques

Consultations de la notice

3