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Calibration procedures and devices for investigation biological systems

  • US 8,080,407 B2
  • Filed: 11/04/2010
  • Issued: 12/20/2011
  • Est. Priority Date: 03/11/2002
  • Status: Expired due to Term
First Claim
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1. A device for continuous extraction and analysis of a component in a sample constituting a feeding fluid, said device comprising a semipermeable membrane in a housing, said feeding fluid passing on one side of said semipermeable membrane and a stripping fluid simultaneously passing on the other side of said semipermeable membrane, said stripping fluid containing an inert calibrant, said stripping fluid constituting a carrier to deliver to an analytical device said inert calibrant remaining in said stripping fluid and said component passing from said feeding fluid through said semipermeable structure into said stripping fluid.

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