An Organoselenium-Based Highly Sensitive and Selective Fluorescent “Turn-On” Probe for the Hg<sup>2+</sup> Ion
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An organoselenium-based NSe3 type of tripodal system 2 as a Hg2+-selective fluorescence “turn-on” probe is described. The “turn-on” fluorescence behavior of this selenotripod 2 is significant because it depends on Hg–Se bond formation and acts as a reporting unit for this system. The system exhibits immediate response (15 s) with a subnanomolar detection limit (0.1 nM) for the Hg2+ ion. It efficiently detects both aqueous and nonaqueous Hg2+ at 2 nM concentration.
创建时间：
2012-01-16
