Involving Transaminase Patents (Class 435/16)
  • Eliminating turbidity in serum undergoing photometric assay
    Patent number: 4184848
    Abstract: An agent for the elimination of turbidity in serum, especially in serum samples wherein photometric measurements are to be made, consisting essentially of one or more mono- or di-esters of polyethylene glycol and fatty acids of 9 to 14 carbon atoms with at most 8 ethylene oxide units per fatty acid moiety in the molecule, said esters having an HLB value of from 8 to 12.8.
    Type: Grant
    Filed: September 23, 1977
    Date of Patent: January 22, 1980
    Assignee: Boehringer Mannheim GmbH
    Inventors: Hans-Georg Batz, Brigitte Draeger, August W. Wahlefeld, Gunter Weimann, Wolfgang Gruber
  • Composition and method for determining transferase and protease activity
    Patent number: 4167449
    Abstract: Transferase and protease activity in homogenates and biological solutions is fluorometrically determined at wavelengths corresponding generally to those used for fluorometric NADH-linked determinations by utilizing novel substrate compositions consisting essentially of certain fluorogenic 5-aminoisophthalic acid derivatives coupled to amino acid constituents specific to the transferases and proteases under investigation.
    Type: Grant
    Filed: August 5, 1977
    Date of Patent: September 11, 1979
    Assignee: American Hospital Supply Corporation
    Inventors: Robert J. Gargiulo, Richard C. Driscoll