ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,127, issued on July 14, was assigned to NATIONAL CHENG KUNG UNIVERSITY (Tainan City, Taiwan).

"Method for polymerase chain reaction" was invented by Chih-Chia Huang (Tainan City, Taiwan), Dar-Bin Shieh (Tainan City, Taiwan), Li-Xing Yang (New Taipei City, Taiwan) and Chien-Wei Lee (Tainan City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed in the present invention is a method for polymerase chain reaction. In the method, tungsten oxide nanoparticles having a specific transmittance in the infrared spectrum are irradiated with an electromagnetic wave with a specific wavelength, such that a low concentration of tungsten oxide nanopart...