Patents Represented by Attorney, Agent or Law Firm John D. Upham
  • Lactate dehydrogenase determination method
    Patent number: 4006061
    Abstract: A method of determining lactate dehydrogenase activity in biological fluids comprising reacting a biological fluid sample with a coupled enzyme series in an oxygenated aqueous solution containing lactate, nicotinamide adenine dinucleotide and an electron transfer agent, and measuring the uptake of oxygen by the oxidation of the resulting NADH with an oxygen-sensing electrode.
    Type: Grant
    Filed: December 29, 1975
    Date of Patent: February 1, 1977
    Assignee: Monsanto Company
    Inventors: Lloyd E. Weeks, John H. Johnson