Journal
BIOSENSORS & BIOELECTRONICS
Volume 80, Issue -, Pages 288-293Publisher
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2016.01.085
Keywords
Multiple-analyte recognition; Au3+ ion; Fe3+ ion; Turn-on response; Ratiometric response; Bioimaging
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Funding
- NSFC [21171069]
- Natural Science Foundation of Shandong Province, China [ZR2015BL010]
- Scientific Research Foundation of University of Jinan [XKY1416]
- Shandong Provincial Key Laboratory of Fluorine Chemistry and Chemical Materials
- Ministry of Education of Shandong Province
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A diketopyrrolopyrrole-based probe DPP-PyR was able to recognize Fe3+ and Au3+ with fluorescent turn-on response via different emission modes with relatively low detection limit. Moreover, DPP-PyR exhibited preferential second mode of selectivity for Au3+ as it ratiometrically displaced Fe3+ from the [DPP-PyR+Fe3+] complex. Furthermore, the imaging experiments indicated that this probe was cell permeable and could be used to detect Fe3+ and Au3+ ions within living cell. To the best of our knowledge, it was the first probe for detection Fe3+ and Au (3+) at the same time ever reported. (C) 2016 Elsevier B.V. All rights reserved.
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