Sensors 2007, 7(12), 3481-3488; doi:10.3390/s7123481
Article

Naked-eye and Selective Detection of Mercury (II) Ions in Mixed Aqueous Media Using a Cellulose-based Support

1 Institut de Ciència de Materials de Barcelona (CSIC)-CIBER-BBN, Campus Universitari, 08193 Bellaterra, Catalonia, Spain 2 Departamento de Química Orgánica, Facultad de Química, Universidad de Murcia, Campus de Espinardo, 30100 Murcia, Spain
* Authors to whom correspondence should be addressed.
Received: 8 November 2007; Accepted: 20 December 2007 / Published: 21 December 2007
(This article belongs to the Special Issue Molecular Recognition and Sensors, Including Molecular Imprinting)
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Abstract: A test paper for high-selectivity detecting Hg2+ ions in mixed acetonitrile-watersolutions has been achieved using a bis(ferrocenyl) azine, as chromogenic chemosensormolecule, and a solid cellulose fibre, as a substrate. Depending on the amount of mercuryions in contact with the detecting molecule a spectacular color change in the celluloseindicator is produced, being possible to determine the concentration of Hg2+ ions either bynaked eye or spectroscopically.
Keywords: mercury (II) ions detection; bis(ferrocenyl) azine; chromogenic chemosensor; cellulose–based probe

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MDPI and ACS Style

Díez-Gil, C.; Caballero, A.; Ratera, I.; Tárraga, A.; Molina, P.; Veciana, J. Naked-eye and Selective Detection of Mercury (II) Ions in Mixed Aqueous Media Using a Cellulose-based Support. Sensors 2007, 7, 3481-3488.

AMA Style

Díez-Gil C, Caballero A, Ratera I, Tárraga A, Molina P, Veciana J. Naked-eye and Selective Detection of Mercury (II) Ions in Mixed Aqueous Media Using a Cellulose-based Support. Sensors. 2007; 7(12):3481-3488.

Chicago/Turabian Style

Díez-Gil, César; Caballero, Antonio; Ratera, Imma; Tárraga, Alberto; Molina, Pedro; Veciana, Jaume. 2007. "Naked-eye and Selective Detection of Mercury (II) Ions in Mixed Aqueous Media Using a Cellulose-based Support." Sensors 7, no. 12: 3481-3488.

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