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Analytical or monitoring apparatus and method

  • US 5,569,591 A
  • Filed: 07/21/1994
  • Issued: 10/29/1996
  • Est. Priority Date: 08/30/1990
  • Status: Expired due to Term
First Claim
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1. A method of analysing a metabolic state of cellular biological material, said method comprising applying an AC electric potential at one or more discrete frequencies to a sample of the cellular biological material, and determining a response at one or more response frequencies which were substantially absent from the applied AC potential, said one or more response frequencies resulting from a combination of the applied frequency or frequencies.

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