Nanoporous gold is like a sponge of tiny pores. It could be used to make new devices to detect pathogens. Credit: Erkin ?eker, UC Davis
UC Davis Dept of Electrical and Computer Engineering demonstrated that they could detect nucleic acids using nanoporous gold, a novel sensor coating material, in mixtures of other biomolecules that would gum up most detectors. This method enables sensitive detection of DNA in complex biological samples, such as serum from whole blood.
“Nanoporous gold can be imagined as a porous metal sponge with pore sizes that are a 1000X smaller than the diameter of a human hair,” said Assist. Prof Erkin Seker...
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