基于四苯乙烯基的荧光“开-关-开”型化学传感器用于顺序识别水中的 Fe(3+)和 Hg(2+)
Fluorescence 'on-off-on' chemosensor for sequential recognition of Fe(3+) and Hg(2+) in water based on tetraphenylethylene motif.
机构信息
Laboratory of Pharmaceutical Design & Synthesis, College of Sciences, Northwest A&F University, Yangling 712100, Shannxi Province, PR China.
出版信息
Bioorg Med Chem. 2013 Jan 15;21(2):508-13. doi: 10.1016/j.bmc.2012.11.005. Epub 2012 Nov 15.
A novel selective and sensitive fluorescence 'on-off-on' probe based on tetraphenylethylene (TPE) motif for sequential recognition of Fe(3+) and Hg(2+) in water has been developed. Especially the complex 6-Fe(3+) could behave as a 'turn on' fluorescent sensor over a wide-range pH value for detection of Hg(2+). The selectivity of this complex for Hg(2+) over other heavy and transition metal ions is excellent, and its sensitivity for Hg(2+) is at 2 ppb in water.
开发了一种基于四苯乙烯（TPE）基序的新型选择性和灵敏的荧光“开-关-开”探针，用于顺序识别水中的 Fe(3+)和 Hg(2+)。特别是配合物 6-Fe(3+)可以在很宽的 pH 值范围内作为“开”荧光传感器用于检测 Hg(2+)。该配合物对 Hg(2+)的选择性优于其他重金属和过渡金属离子，其对 Hg(2+)的灵敏度在水中为 2 ppb。
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