Table 1. Concentration of Aβ42 determined by ELISA, TIRFM, and fluorimeter. (RPD (%) = difference obtained by the developed method and ELISA/concentration obtained by ELISA × 100%).
Sample | ELISA (pM) | TIRFM (pM) | RPD (%) | Fluorimeter (pM) | RPD (%) |
Young control | 107.21 | 111.87 | 4.35 | 110.28 | 2.86 |
Elderly control | 158.75 | 165.17 | 4.05 | 155.17 | –2.25 |
AD patient | 39.57 | 37.60 | –4.98 | 39.72 | 0.36 |