Back to results
US 6,485,985 B1Granted
Processes and compounds for magnetorelaxometric detection of analytes and their use
AssigneeSchering Corporation
InventorsWerner Weitschies, Roman Kottiz, Lucz Trahms, Thomas Bunte
Life of this patent
Estimating the term…
Abstract
A process for magnetorelaxometric quantitative detection of analytes in the liquid and solid phases, compounds for magnetorelaxometric detection, and their use in analysis and immunomagnetography is described.
Claims12
A method of detection of an analyte in liquid phase in a fertility process, histocompatability process, allergology process, infectiology process, hygiene process, genetics process, virology process, bacteriology process, toxicology process, pathology process, environmental analysis process, or medical diagnosis process, comprising
- (i) adding ferromagnetic or ferrimagnetic colloidal particles which bind an analyte directly or bind a structure specific substance which is bound to an analyte,
- (ii) magnetizing the ferromagnetic or ferrimagnetic colloidal particles in a magnetic field,
- (iii) measuring the relaxation of the particles when the magnetic field is turned off, and
- (iv) correlating the degree of relaxation of said particles with the concentration of analyte
- wherein the colloidal particles have a Brownian relaxation under measurement conditions shorter than their Néelian relaxation.
2 more elements
Dependencies are inferred from the claim text.