Rapid Magnetic Biosensor With Integrated Arrival Time Measuremnt
First Claim
1. A sensing device (10) for determining a concentration of at least one sort of polarizable or polarized magnetic labels (4) in a fluid (5),the sensing device (10) comprising at least one sensing surface (1),the sensing surface (1) comprising at least one sort of binding sites (2) capable to specifically attaching to at least one sort of biological entities (3) linked to the magnetic labels (4)the sensing device (10) further comprising at least one magnetic sensor element (11),the sensing device (10) further comprising first means (13) for determining the concentration of magnetic labels (4) attached to the binding sites (2) and second means (12) for determining the time of arrival of the fluid.
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Abstract
The invention provides a method, a device and a system for determining a concentration of at least one sort of polarizable or polarized magnetic labels in a fluid, the sensing surface comprising at least one sort of binding sites capable of specifically attaching 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 first means for determining the concentration of magnetic labels attached to the binding sites and second means for determining the time of arrival of the fluid.
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Citations
16 Claims
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1. A sensing device (10) for determining a concentration of at least one sort of polarizable or polarized magnetic labels (4) in a fluid (5),
the sensing device (10) comprising at least one sensing surface (1), the sensing surface (1) comprising at least one sort of binding sites (2) capable to specifically attaching to at least one sort of biological entities (3) linked to the magnetic labels (4) the sensing device (10) further comprising at least one magnetic sensor element (11), the sensing device (10) further comprising first means (13) for determining the concentration of magnetic labels (4) attached to the binding sites (2) and second means (12) for determining the time of arrival of the fluid.
Specification