Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 198, Issue -, Pages 274-277Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2014.03.033
Keywords
Mercuric ion; Fluorescence sensor; Aqueous solution
Funding
- State of Utah TCIP
- NSF [I/IB:1113313]
- University of Utah TCO
- Qinghai Science & Technology Department of China [2011-H-808]
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A new water-soluble fluorescent perylene sensor was synthesized and compared to the previous non-aqueous sensors. The new sensor, MSI-1-9, exhibits sensitive and selective detection of mercuric ion (Hg2+) dorectly in aqueous solution through fluorescence quenching. The detection was not affected by the coexistence of other common divalent metal ions. MSI-1-9 possesses the necessary criteria for use in affordable, real-time measurement of Hg2+ in environmental water samples, permitting its incorporation int a portable mercury detection kit. (C) 2014 Elsevier B.V. All rights reserved.
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