Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering & Biotechnology, Donghua University, 2999 North Renmin Road, Shanghai 201620, PR China.
Penglai Xinguang Pigment Chemical Co., Ltd, Penglai 265601, PR China.
Spectrochim Acta A Mol Biomol Spectrosc. 2019 Jan 15;207:88-95. doi: 10.1016/j.saa.2018.08.060. Epub 2018 Aug 29.
A fluorescent and colorimetric probe L1 based on a simple coumarin derivative for detection of Hg and F ions was developed. Upon addition of Hg and F ions, L1 underwent desulfurization and desilylation, respectively, to induce marked increase in the fluorescence intensity and sharp color change from light yellow to dark purple and light brown, respectively. Probe L1 could be used for sensing and for quantitative measurement of Hg and F ions by both UV-vis and fluorescence spectra. The bifunctional probe exhibited a high selectivity over other competitive cations and anions and could be used in both organic and aqueous media over a wide pH range.
基于简单香豆素衍生物的荧光和比色探针 L1 被开发用于检测 Hg 和 F 离子。加入 Hg 和 F 离子后，L1 分别发生脱硫和去硅反应，导致荧光强度显著增加，颜色分别从浅黄色变为深紫色和浅棕色。探针 L1 可通过紫外-可见和荧光光谱用于 Hg 和 F 离子的传感和定量测量。该双功能探针对其他竞争阳离子和阴离子具有高选择性，可在宽 pH 范围内的有机和水相中使用。
