Sensors that are able to gauge the electrical properties of single molecules may turn out to be excellent diagnostic devices able to spot microbes and biomarkers of disease. Turns out that there’s been a barrier to making such devices because simply sticking a molecule to an electrical sensor introduces noise from the sensor itself and masks the properties of the molecule being measured. Now researchers at University of Limerick in Ireland have reported in journal Nature Materials on a way to slightly separate the molecules from the sensors while keeping them close enough for electrical analysis.
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