Product information
UNITEST α2-Macroglobulin
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A chromogenic method for the determination of α₂-macroglobulin activity in plasma.
Test principle
α₂M + Trypsin (excess)
⟶
[α₂M • Trypsin] + Trypsin (residual)
Trypsin (residual) + SBTI (excess)
⟶
[SBTI • Trypsin (residual)]
Substrate
[α₂M • Trypsin]⟶
Peptide + pNA
Reagents and stability (after opening)
| Reagent | Quantity | Stability / note |
|---|---|---|
| Trypsin | 1 vial | 4 hours at 4°C 6 months at -20°C |
| Trypsin-substrate | 1 vial | 8 hours at 4°C 6 months at -20°C |
| Soy Bean Trypsin Inh. | 1 vial | 8 hours at 4°C 6 months -20°C |
| Buffer concentrate | 1 vial | see expiry date |
| Standard plasma | 1 vial | 8 hours at 4°C |
| Article number |
|---|
| 0041 |