Journal
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
Volume 153, Issue -, Pages 465-470Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2015.08.044
Keywords
Naphthalimide derivative; PET inhibition; Fluorescence turn-on; Trivalent cations; Live cell imaging
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Funding
- DST, New Delhi, India
- CSIR [CSC0201]
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Synthesis and fluorescence turn-on behavior of a naphthalimide based probe is described. Selective interactions of trivalent cations Fe3+, Al3+ or Cr3+ with probe 1 inhibit the PET operating in the probe, and thereby, permit the detection of these trivalent cations present in aqueous samples and live cells. Failure of other trivalent cations (Eu3+, Gd3+ and Nb3+) to inhibit the PET process in 1 demonstrates the role of chelating ring size vis-a-vis ionic radius in the selective recognition of specific metal ions. (C) 2015 Elsevier B.V. All rights reserved.
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