ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,846, issued on Oct. 14.

"Random access real-time quantitative polymerase chain reaction (qPCR) reactor system" was invented by Hsin-Chin Lee (Mississauga, Canada), Kai On Ng (Markham, Canada), Frank Wei Zhou (Mississauga, Canada) and Yuan Min Wu (Scarborough, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present random access PCR reactor for biological analysis, comprises of a number of PCR reactors held on a platform, and one optical system to be shared by all of the PCR reactors on the platform. The optical system is held on a traverse mechanism to move it over any one of the PCR reactors that are ready to be imaged. Other PCR reactors...