Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 237, Issue -, Pages 605-612Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2016.06.131
Keywords
BODIPY-rhodamine dyad; Through bond energy transfer; Trivalent metal ions; Ratiometric sensors; Live cell imaging
Funding
- DST, India
- CSIR 12th plan project INTEL COAT
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A novel fluorescent BODIPY-rhodamine dyad probe that operates based on through bond energy transfer (TBET) phenomenon has been synthesized and its application in the detection of biologically relevant metal ions is explored. Among several metal ions, the probe selectively responds to the addition of trivalent metal ions (Al3+, Cr3+ and Fe3+) through its signature absorbance and fluorescence characteristics and permits their ratiometric detection. The trivalent metal ion detection ability of the probe is unaffected with the presence of other commonly coexistent ions. The probe is highly sensitive and it can detect the trivalent metal ions even at ppb level concentrations. The probe is nontoxic under the experimental conditions, cell permeable and useful for the imaging of Al3+, Cr3+ and Fe3+ ions present in W138 (normal lung fibroblast) cells. (C) 2016 Elsevier B.V. All rights reserved.
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