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Efficient Immobilization of a Cadmium Chemosensor in a Thin Film: Generation of a Cadmium Sensor Prototype
Bronson, R. Todd Michaelis, David J. Lamb, Randy D. Husseini, Ghaleb Farnsworth, Paul B. Linford, Matthew R. Izatt, Reed M. Bradshaw, Jerald S. Savage, Paul B.
Bronson, R. Todd
Michaelis, David J.
Lamb, Randy D.
Husseini, Ghaleb
Farnsworth, Paul B.
Linford, Matthew R.
Izatt, Reed M.
Bradshaw, Jerald S.
Savage, Paul B.
Date
2005
Advisor
Type
Peer-Reviewed
Article
Postprint
Article
Postprint
Degree
Citations
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Description
Abstract
The development of an ion-selective chemosensor for Cd2+ allows generation of a “real-time” sensor. Immobilization of the chemosensor on quartz was achieved in a simple monolayer and in a thin film using a polymer intermediary. As intended, the thin film contains much more chemosensor than the monolayer and provides measurable responses to aqueous Cd2+ concentrations below 1 μM. Alkali and alkaline earth ions do not interfere with Cd2+ sensing; Zn2+ and Cu2+ are potential interferents.