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  • Title: A highly-sensitive "turn on" probe based on coumarin β-diketone for hydrazine detection in PBS and living cells.
    Author: Chen R, Shi GJ, Wang JJ, Qin HF, Zhang Q, Chen S, Wen Y, Guo JB, Wang KP, Hu ZQ.
    Journal: Spectrochim Acta A Mol Biomol Spectrosc; 2021 May 05; 252():119510. PubMed ID: 33561687.
    Abstract:
    Herein, a new "turn on" fluorescent probe C-1 is developed to specifically detect hydrazine using coumarin nucleus as the fluorophore and β-diketone as the recognition group. The probe shows high selectivity towards hydrazine over other common ions and amine-containing species, as well as good water solubility and quantitative detectability of hydrazine in concentration range of 1-200 μM. The detection limit is as low as 1.89 ppb, which is lower than the threshold set by EPA (10 ppb). Probe-coated filter papers are confirmed to detect gaseous hydrazine successfully through obvious fluorescence color changes. In addition, the probe has been verified to detect hydrazine in actual water environment and living cells.
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