ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,072, issued on April 7, was assigned to STARNA SCIENTIFIC LTD (Essex, Great Britain).
"Fluorimeter cell and its calibration" was invented by Keith Hulme (Essex, Great Britain), Nathan Hulme (Essex, Great Britain) and Rory Gardner (Essex, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluorimeter reference cell comprising a rare earth salt solution or other optically transparent solution with a well-defined and characteristic absorbance pattern which material emits an absorption spectrum when an excitation light is incident upon it. The absorption spectrum has a defined characteristic enabling wavelength calibration of the fluorimeter...