Table 1. Comparison of parameters of Biacore X-100 and MI-S200D biosensors.
Parameter |
Biacore X-100 |
MI-S200D |
Signal units of measurement |
RU (resonance units) 1 RU ~ 1/10000 resonant angle (0,1 m°) [11] |
m° (millidegree) (1/1000 resonant angle) 1 m° ~ 10 RU |
Numbers of flow cell |
2 |
2 |
Baseline noise |
<0.1 RU (RMS) |
<1m°(RMS) |
Baseline drift |
<0.3 RU/min |
<1m°/min |
Accuracy (concentration analysis) |
<5% CV |
<5% CV |
Number of sample tray positions |
15 (1.5ml ×15) |
20 (0.6 ml×8 и 1.5 ml×12) |
Injection volume |
5 - 90 ml |
25 - 350 ml |
Injection speed |
1 - 100 ml/min |
5 - 1000 ml/min |
Temperature control |
4°C - 40°C |
4°C - 45°C |
Unattended working hours |
24 hours |
60 hours |
Concentration measurement |
10-11- 2∙10-3 M |
10-10 – 10-3 М |
Association rate constant (kon) |
103 - 108 M-1s-1 Low molecular weight compounds - до 106 M-1s-1 |
103 – 107 M-1s-1 |
Dissociation rate constant (koff) |
10-5 – 10-1 s-1 |
10-5 – 10-1 s-1 |
Equilibrium dissociation constant (Kd) |
10-12 – 10-3 М |
10-12 – 10-4 М |