membrane potential


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Related to membrane potential: action potential, Resting membrane potential

membrane potential

[′mem‚brān pə‚ten·chəl]
(physiology)
A potential difference across a living cell membrane.
References in periodicals archive ?
Time evolution of membrane potentials of Newman-Watss network of HH neurons in the presence of chemical autapse is given as follows [16, 21-23, 25]:
Flow cytometry based analysis of 1 and 2 using Rhodamine-123 (Rh-123) displayed substantial loss of mitochondrial membrane potential in a concentration dependent manner by both the compounds.
Even though it was not clear that all mitochondria within one cell cytoplasm displayed identical membrane potential, the mitochondria-related fluorescence of DIOC6 was directly correlated to the mitochondrial activity.
MitoTracker Green binds to free thiol groups on cysteine residues of mitochondrial proteins, and its accumulation in mitochondria is much less dependent on mitochondrial membrane potential than TMRE, a lipophilic dye whose binding to mitochondria strictly depends on membrane potential (Presley et al.
The average intensity of mitochondria was used to define mitochondrial membrane potential, and the total intensity was used to define mitochondrial mass.
Treated group showed lower percentages of cells with high mitochondrial membrane potential at weeks 3 and 6 when compared to control (Figures 4(a) and 4(b)).
To examine the change of mitochondrial membrane potential (MMP), rhodamine-123 (Sigma Aldrich) was used.
The Ca balance also acts on cell membranes; the membrane potential decreases in cells with enhanced concentrations of [Ca.
By tinkering with the voltage in cell membranes of developing African clawed frogs, researchers found that the electric charge, also called membrane potential, plays a role in how big the brain grows and what kind of tissues developing cells grow into.
All cells in the body have a resting membrane potential - a difference in electrical potential (charge) between the interior and exterior of the cell.
These chemicals raise membrane potential and ensure that all changes in oxygen consumption and membrane potential in response to sequential additions of malonate are due to proton leak.
4] The spontaneous contractions in the intestinal smooth muscles are elicited by slow waves that are rhythmic oscillations in membrane potential.

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