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Introduction to Solid Supported Membrane Based Electrophysiology
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Published on: May 11, 2013

Prediction of PCB content in sportfish using semipermeable membrane devices (SPMDs)

S M Shim1, C R Santerre, L E Dorworth

  • 1Department of Foods and Nutrition, Purdue University, West Lafayette, Indiana 47907-2059, USA.

Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
|May 11, 2004
PubMed

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Membrane electrodes, also known as p-ion electrodes, use membranes that selectively interact with free analyte ions, generating a potential difference across the membrane. The resulting membrane potential, known as the asymmetry potential, is not zero even when analyte concentrations on both sides of the membrane are equal. The membrane's response is typically not selective to a single analyte but proportional to the concentration of all ions in the sample solution capable of interacting at the...