Table 1.

BRAHMS PCT assays.

Instrument platformAssay principleAnalytical measurement range, ng/mLLimit of detection, ng/mLTotal imprecision (% CV) near 0.5 ng/mL
Brahms KryptorHomogenous immunoassay using time-resolved amplified cryptate emission0.02–50000.02≤6%
ADVIA CentaurOne-step chemiluminescent sandwich immunoassay0.02–75<0.02<8%
ArchitectChemiluminescent microparticle immunoassay0.02–1002.10%
Roche Elecsys e411Electrochemiluminescent immunoassay0.02–100≤0.024.20%
Roche e600Electrochemiluminescent immunoassay0.02–100≤0.022.60%
Diasorin LiasonTwo-step chemiluminescent immunoassay0.02–1000.02<10%
BioMeriux VIDASOne-step sandwich immunoassay0.05–2000.037.86%
  • Analytical metrics are based on manufacturer-provided information (49).