| 摘要 |
The invention provides a method, a device and a system for determining the concentration of at least one sort of targets in a fluid containing at least one sort of polarizable of polarized magnetic labels in a fluid, the sensing surface comprising at least one sort of binding sites capable to specifically attach to at least one sort of biological entities linked to the magnetic labels, the sensing device further comprising at least one magnetic sensor element, the sensing device further comprising distinction means for time-resolved distinguishing between magnetic labels specifically attached to the binding sites versus labels non-specifically attached. The method and device according to the present invention may be applied to biomolecular diagnostics.
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