Journal
DYES AND PIGMENTS
Volume 152, Issue -, Pages 131-138Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2018.01.039
Keywords
Fluorescent chemosensor; Zinc ion; Pyrophosphate; Cell imaging; Zebrafish; Theoretical calculations
Funding
- Korea Ministry of Environment (MOE) as The Chemical Accident Prevention Technology Development Project [2016001970001]
- National Research Foundation of Korea (NRF) [2017R1A2B3002585]
- National Research Foundation of Korea [2017R1A2B3002585] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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A new simple aminohydantoin-based fluorescent chemosensor 1 was designed for sequential detection of Zn2+ and pyrophosphate in a near-perfect aqueous solution. 1 exhibited significant fluorescence intensity in the presence of Zn2+, and the resulting 1-Zn2+ complex showed subsequently the fluorescent quenching with pyrophosphate. The detection limit (0.32 mu M) of 1 for Zn2+ was far lower than the guideline of World Health Organization in drinking water. I was used to determine Zn2+ concentration in various water samples. In addition, chemosensor 1 could be applied to sequentially detect Zn2+ and pyrophosphate in living cells and zebrafish. The sensing mechanism of Zn2+ by 1 was proposed to be an intramolecular charge transfer with theoretical calculations.
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