Novel coumarin-based pH sensitive fluorescent probes for the highly alkaline pH region
Novel coumarin-based pH sensitive fluorescent probes for the highly alkaline pH region
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DOI：
10.1016/j.dyepig.2020.108312
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发表时间：
2020-06-01
影响因子：
4.5
通讯作者：
Grattan, Kenneth T., V
中科院分区：
文献类型：
--
作者：
Nguyen, T. Hien;Sun, Tong;Grattan, Kenneth T., V
报道了新型可聚合香豆素基pH指示剂的设计、合成和光谱性质。它们在高碱性pH区域显示出对pH的荧光响应，计算的pK（a）值在12.2-12.5的范围内。将指示剂共价固定到聚合物载体上提供了具有优异光稳定性的新型pH敏感材料。该材料对类似范围内的pH值敏感，可应用于光学pH传感器，用于测量各种碱性介质中的pH值。
The design, synthesis and spectroscopic properties of novel polymerizable coumarin-based pH indicators are reported. They show a fluorescence response to pH in the highly alkaline pH region with calculated pK(a) values in the range of 12.2-12.5. Covalent immobilization of the indicators to polymer supports provides novel pH-sensitive materials that possess excellent photostability. The materials are sensitive to pH in a similar range and can be applied in optical pH sensors for measuring pH in various alkaline media.