Journal article
Thin chitosan films as a platform for SPR sensing of ferric ions
Analyst (London), v 133(5), pp 673-677
2008
PMID: 18427691
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
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.
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Details
- Title
- Thin chitosan films as a platform for SPR sensing of ferric ions
- Creators
- Holly Mcilwee - Department of Materials Science and Engineering and A. J. Drexel Nanotechnology Institute ( Philadelfia, USA)Caroline Schauer - Department of Materials Science and Engineering and A. J. Drexel Nanotechnology Institute ( Philadelfia, USA)Vera Praig - Institut de Recherche Interdisciplinaire [Villeneuve d'Ascq]Rabah Boukherroub - Institut de Recherche Interdisciplinaire [Villeneuve d'Ascq]Sabine Szunerits - Institut de Recherche Interdisciplinaire [Villeneuve d'Ascq]
- Publication Details
- Analyst (London), v 133(5), pp 673-677
- Publisher
- Royal Society of Chemistry
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000255200200019
- Scopus ID
- 2-s2.0-42449128416
- Other Identifier
- 991014877755804721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Analytical