Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 186, Issue -, Pages 56-60Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2013.05.079
Keywords
Hypochlorite; Fluorescence; Water analysis; Drinking water treatment; Tap water; Fluorescent imaging
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Two novel fluorescein-based OCl- chemosensors were designed, synthesized and characterized. Both fluorescence probes utilize an irreversible OCl--promoted oxidation reaction to trigger the activation of fluorescence. These probes were shown to be highly selective for OCl-, and showed real time responses as well as a positive linear relationship to OCl- concentrations. The probes were successfully applied for the detection of OCl- in tap water and for fluorescence imaging of OCl- in bacterial Rhodobacter ferrooxidans sp. strain SW2 cell-EPS-mineral aggregates. (C) 2013 Elsevier B.V. All rights reserved.
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