ALEXANDRIA, Va., April 21 -- United States Patent no. 12,608,793, issued on April 21, was assigned to La Trobe University (Melbourne, Australia).

"Method of identifying a structure" was invented by Brian Abbey (Melbourne, Australia), Eugeniu Balaur (Melbourne, Australia) and Belinda Parker (Melbourne, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes providing a sample holder having a plasmonic layer and applying the sample to the sample holder. The sample is illuminated and an image formed. The method enables identifying a structure in the sample from the image based at least partly on its colour. The colour can encode a structural property of the sample, preferably without staining...