between the ECL intensity (IECL) and the logarithm of the CRP concentration (logCCRP) in the range from 0.01 to 1000 ng/mL (IECL = −952.9 (±5.7) logCCRP + 5544 (±14), R2 = 0.999), yielding a low detection limit (DL) of 8.5 pg/mL based on the signal/noise (S/N = 3)....