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Updated: Jun 25, 2026

Membrane Remodeling of Giant Vesicles in Response to Localized Calcium Ion Gradients
08:15

Membrane Remodeling of Giant Vesicles in Response to Localized Calcium Ion Gradients

Published on: July 16, 2018

Fabrication and evaluation of membranes as specific electrodes for calcium ions

R Bloch1, A Shatkay, H A Saroff

  • 1Weizmann Institute of Science, Rehovaoth, Israel.

Biophysical Journal
|February 13, 2009
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...