Surface plasmon resonance optical sensor for mercury ion detection by crosslinked chitosan thin film

Citation

Yap, Wing Fen and Mat Yunus, Wan Mahmood and Abd. Moksin, Mohd Maarof and Talib, Zainal Abidin and Yusof, Nor Azah (2011) Surface plasmon resonance optical sensor for mercury ion detection by crosslinked chitosan thin film. Journal of Optoelectronics and Advanced Materials, 13 (3). pp. 279-285. ISSN 1454-4164; ESSN: 1841-7132

Abstract

Mercury ion can be detected by measuring surface plasmon resonance signal with a thin crosslinked chitosan layer deposited on a gold film. The crosslinked chitosan is synthesized by homogeneous reaction of medium molecular weight chitosan in aqueous acetic acid solution with glutaraldehyde as crosslinking agent. By surface plasmon resonance sensor, the optical properties of crosslinked chitosan thin film before and after contacting with different concentration of mercury ion range 0.5 to 100 ppm have been obtained by fitting. The resonance angle shifted higher values to the left as the copper ion concentration increased. By introducing the crosslinked chitosan film, mercury ion detection can be obtained for concentration as low as 500 ppb using surface plasmon resonance technique.

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Additional Metadata

Item Type:	Article
Divisions:	Faculty of Science
Publisher:	INOE Publishing House
Keywords:	Surface plasmon resonance; Mercury ion; Crosslinked chitosan
Depositing User:	Nur Farahin Ramli
Date Deposited:	02 Aug 2013 08:12
Last Modified:	26 Sep 2016 02:50
URI:	http://psasir.upm.edu.my/id/eprint/25012
Statistic Details:	View Download Statistic

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