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System for determining the concentration of an L-amino acid in fermentation

  • US 4,384,936 A
  • Filed: 02/24/1981
  • Issued: 05/24/1983
  • Est. Priority Date: 03/28/1978
  • Status: Expired due to Fees
First Claim
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1. A microbial electrode for determining the concentration of an L-amino acid in a culture medium or a cultured broth solution, which comprises:

  • a carbon dioxide gas sensitive electrode having a carbon dioxide permeable membrane;

    anaerobic containing means containing said membrane and capable of containing a portion of said broth or mixture;

    a microorganism capable of anaerobically decarboxylating said L-amino acid immobilized on said membrane; and

    inert gas supplying means injectably attached to said containing means.

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