Its interior is lined with a series of gold electrodes, each dotted with thousands of identical short strands of DNA called aptamers. (sciencemag.org)
Chemistry: Selection of a DNA aptamer for homocysteine using systematic evolution of ligands by exponential enrichment (sciencemag.org)
Eva Klopf and colleagues demonstrate that RNA polymerase - binding Aptamers represent a novel type of regulatory RNA signal in Saccharomyces cerevisiae (journals.plos.org)