期刊
INORGANIC CHEMISTRY
卷 51, 期 3, 页码 1213-1215出版社
AMER CHEMICAL SOC
DOI: 10.1021/ic2023715
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资金
- Department of Chemistry at the University of Georgia (UGA)
- UGA Research Foundation (UGARF)
- National Science Foundation
Arsenic contamination is a leading environmental problem. As such, levels of this toxic metalloid must be constantly monitored by reliable and low-cost methodologies. Because the currently accepted upper limit for arsenic in water is 10 ppb, very sensitive and selective detection strategies must be developed. Herein we describe the synthesis and characterization of a fluorescent chemical probe, namely, ArsenoFluorl, which is the first example of a chemosensor for As3+ detection in organic solvents at 298 K AF1 exhibits a 25-fold fluorescence increase in the presence of As3+ at lambda(em) = 496 nm in THF, which is selective for As3+ over other biologically relevant ions (such as Na+, Mg2+, Fe2+, and Zn2+) and displays a sub-ppb detection limit.
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