Real-time quaking-induced conversion (RT-QuIC) is a highly sensitive assay for prion detection.[1] It is nearly 100% specific for the diagnosis of Creutzfeldt-Jakob disease.[2]
^Zerr, Inga (7 April 2022). "Laboratory Diagnosis of Creutzfeldt–Jakob Disease". New England Journal of Medicine. 386 (14): 1345–1350. doi:10.1056/NEJMra2119323.