Abstract
An assay for the presence of an analyte or determining a biological or medical parameter comprising the steps of adding an assay component to a pH-sensitive material charged with magnetic particles, wherein the assay component causes a pH change which is a function of the analyte or parameter to be measured; subjecting the magnetic particles to an oscillating magnetic field; and measuring the effect of the magnetic field on the magnetic particles. The assay is an enzyme immunoassay. A kit for practicing the enzyme immunoassay is also described.
| Original language | English |
|---|---|
| Patent number | United States Patent 6235491 |
| Publication status | Published - 22 May 2001 |
Keywords
- biological parameter
- medical parameter
- assay
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Cite this
Connolly, P. (2001). Assay utilizing magnetic particles. (Patent No. United States Patent 6235491).