Web Date: February 15, 2011
Listening For Lead
MP3s may soon outsell compact discs, but the CD drive has gained a new job: reading lead levels. Researchers have created a CD-based assay as an inexpensive and rapid field test for analyzing lead in drinking water and other environmental samples (Anal. Chem., DOI: 10.1021/ac103177w).
Lead is a neurotoxic metal. Existing techniques, such as reversed-phase high-pressure liquid chromatography, can measure lead concentrations at very . . .
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