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New study shows how nanotechnology can help detect disease earlier - A new study led by University of Kentucky researchers shows a new way to precisely detect a single chemical at extremely low concentrations and high contamination. Reference: 'Real-Time Sensing and Discrimination of Single Chemicals Using the Channel of Phi29 DNA Packaging Nanomotor,' P. Guo et al, ACS Nano, 2012, 6 (4), pp 3251–3261 DOI: 10.1021/nn3001615