Patents Assigned to GFC Diagnostics Ltd.
  • Detection of nicotine metabolites
    Patent number: 8785205
    Abstract: The present invention relates to assays for detection of nicotine metabolites, in particular cotinine, in fluid samples and uses of these assays in quantification of smoking habits. The assays comprise contacting a body fluid sample with a cyanogen halide and a pyrazolone compound and detecting a change in light absorbance of the pyrazolone compound which is associated with the presence of nicotine metabolites. Also provided are assay kits including a cyanogen halide or cyanogen halide-precursor(s) and a pyrazolone compound.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: July 22, 2014
    Assignee: GFC Diagnostics Ltd.
    Inventors: Charles John Knill, John Frederick Kennedy