Abstract
Researchers at Brigham Young University (Provo, UT, USA) have developed a new method for detecting heavy metal contaminants in water that could be incorporated into a flow-through sensor used in water streams. The team, led by Jerald Bradshaw, synthesised molcules that selectively chelated zinc ions that in turn were bound by fluorescent reporter molecules detectable under UV light. In the absence of zinc, no fluorescent signal is detected. The team has previously reported similar methods for detection of cadmium and mercury. (The Journal of Organic Chemistry, 13 July). MJD
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