The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 22, 2001
Filed:
Nov. 19, 1999
Applicant:
Inventor:
Patricia Connolly, Glasgow, GB;
Assignee:
Byk Gulden Italia S.p.A., Cormano, IT;
Primary Examiner:
Int. Cl.
CPC ...
C12Q 1/58 ; C12Q 1/54 ; C12Q 1/26 ;
U.S. Cl.
CPC ...
C12Q 1/58 ; C12Q 1/54 ; C12Q 1/26 ;
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.