Thin chitosan films as a platform for SPR sensing of ferric ions

Mcilwee, Holly; Schauer, Caroline; Praig, Vera; Boukherroub, Rabah; Szunerits, Sabine

Document type :

Article dans une revue scientifique

DOI :

10.1039/b717736d

Title :

Thin chitosan films as a platform for SPR sensing of ferric ions

Author(s) :

Mcilwee, Holly [Auteur]
Department of Materials Science and Engineering and A. J. Drexel Nanotechnology Institute ( Philadelfia, USA)
Schauer, Caroline [Auteur]
Department of Materials Science and Engineering and A. J. Drexel Nanotechnology Institute ( Philadelfia, USA)
Praig, Vera [Auteur]
Laboratoire d'Electrochimie et de Physico-chimie des Matériaux et des Interfaces [LEPMI ]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Institut de Recherche Interdisciplinaire [Villeneuve d'Ascq] [IRI]
Boukherroub, Rabah [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Institut de Recherche Interdisciplinaire [Villeneuve d'Ascq] [IRI]
Szunerits, Sabine [Auteur]
Laboratoire d'Electrochimie et de Physico-chimie des Matériaux et des Interfaces [LEPMI ]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Institut de Recherche Interdisciplinaire [Villeneuve d'Ascq] [IRI]

Journal title :

Analyst

Pages :

pp. 673-677

Publisher :

Royal Society of Chemistry

Publication date :

2008

ISSN :

0003-2654

HAL domain(s) :

Chimie/Matériaux

English abstract : [en]

Homogeneous chitosan films of various thicknesses (10–65 nm) were deposited on thin gold films through spin coating. The resulting interfaces were characterized using surface plasmon resonance (SPR), AFM, profilometry and ...
Show more >Homogeneous chitosan films of various thicknesses (10–65 nm) were deposited on thin gold films through spin coating. The resulting interfaces were characterized using surface plasmon resonance (SPR), AFM, profilometry and cyclic voltammetry. The strong chelating properties of chitosan films to Fe3+ were investigated using cyclic voltammetry. Through SPR measurements, an affinity constant between chitosan and Fe3+ of 9.49 × 105 M-1 was determined with a detection limit as low as 250 ppb.Show less >

Language :

Anglais

Peer reviewed article :

Oui

Audience :

Internationale

Popular science :

Non

Collections :

Institut d'Électronique, de Microélectronique et de Nanotechnologie (IEMN) - UMR 8520

Source :

Harvested from HAL

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