Some cells or organelles have the same membrane potential throughout; neurons generally have different potentials at different ... Biological membrane potentials. The value of the signal is an electric potential ("voltage"). The domain is more difficult to ...
Resting potential Action potential Membrane potential http://cancerweb.ncl.ac.uk/cgi-bin/omd?action=Search+OMD&query= ... "CV Physiology: Membrane Potentials". Retrieved 8 November 2016. Hensley F, Martin D. A Practical Approach to Cardiac Anesthesia ... However, the removal of Na+ does not alter the resting membrane potential of the cell. Likewise, removal of extracellular Ca2+ ... Membrane inactivation gates, or h Na+ gates, are voltage dependent. The less negative the membrane voltage, the more h gates ...
Pidot, A. L.; Diamond, J. M. (1964). "Streaming Potentials in a Biological Membrane". Nature. 201: 701-702. doi:10.1038/ ... Cooke, I. M.; Diamond, J. M.; Grinnell, A. D.; Hagiwara, S.; Sakata, H. (1968). "Suppression of the action potential in nerve ... Clausen, C.; Machen, T. E.; Diamond, J. M. (1982). "Changes in the Cell Membranes of the Bullfrog Gastric Mucosa with Acid ... Loo, D. D.; Lewis, S. A.; Ifshin, M. S.; Diamond, J. M. (1983). "Turnover, membrane insertion, and degradation of sodium ...
2. Membrane-potentials, apparent resistances, and mechanisms. Mechanism of the light peak and other responses originating at ... 1. Membrane-potentials, apparent resistances, and mechanisms". Journal of Neuroscience 9 (6) 1968-1976 (1989) Cited 42 times. ... "Effects of dopamine on the chick retinal-pigment epithelium - membrane-potentials and light-evoked responses". Investigative ... "Light-evoked modulation of basolateral membrane Cl− conductance in chick retinal-pigment epithelium - the light peak and fast ...
Zeiger, E., W. Moody, P. Hepler and F. Varela (1977). "Light-sensitive membrane potentials in onion guard cells". Nature. 270: ... Hepler, P. K., S. M. Wick and S. M. Wolniak (1981). The structure and role of membranes in the mitotic apparatus. in: ... Wolniak, S. M., P. K. Hepler, and W. T. Jackson (1980). "Detection of the membrane-calcium distribution during mitosis in ... Hepler, P. K. (1980). "Membranes in the mitotic apparatus of barley cells". Journal of Cell Biology. 86: 490-499. doi:10.1083/ ...
This causes a hyperpolarization of its membrane potential. This hyperpolarizing effect could lead to increased uptake of ...
Dielectric relaxation Dielectrophoresis Membrane potential. ... of cellular compartments and their surrounding membranes. ...
It also makes possible the measurement of spatial and temporal variations in membrane potential along the surface of single ... Many physiological processes are accompanied by changes in cell membrane potential which can be detected with voltage sensitive ... Cohen LB, Salzberg BM (1978). "Optical Measurement of Membrane Potential". Reviews of Physiology, Biochemistry and Pharmacalogy ... Measurements may indicate the site of action potential origin, and measurements of action potential velocity and direction may ...
Many cells have resting membrane potentials that are unstable. It is usually due to ion channels in the cell membrane that ... Slow wave potential are unstable resting membrane potentials that continuously cycle through depolarization- and repolarization ... Pacemaker potentials are unstable cell membrane potentials that reach depolarization threshold with every depolarization/ ... Membrane potential Action potential Excitation-contraction coupling Myogenic mechanism (Myogenic reflex). ...
Nuriya, Mutsuo; Jiang, Jiang; Nemet, Boaz; Eisenthal, Kenneth B.; Yuste, Rafael (2006). "Imaging membrane potential in ... It has also been used to prove that backpropagating action potentials invade dendritic spines without voltage attenuation, ...
Rhoades, Rodney A.; Bell, David R. (2012). "Plasma membrane. membrane transport, and resting membrane potential". Medical ... where the substances travel through the cell passing through both the apical membrane and basolateral membrane 2. Renal ... This transport can either be absorption, transport from lumen (apical membrane surface) to blood, or secretion, transport from ... the cell membrane is a hydrophobic environment and will not allow the passive diffusion of charged, hydrophilic, or zwitterion ...
"Mitochondrial membrane potential in living cells."Annu Rev Cell Biol. 4 (1988) 155-181 M. Huang, A. K. S. Camara, D. F. Stowe, ... This use relies on the fact that rhodamine 123 accumulates in membranes in a manner which is dependent on membrane polarization ... Rhodamine fluorescence can also be used as a measure of membrane polarization in live cell assays both within mitochondria and ... "Mitochondrial inner membrane electrophysiology assessed by rhodamine-123 transport and fluorescence" Annals of Biomedical ...
Double sucrose gap, however, can measure the membrane potential and resistance. Another limitation is that membrane potentials ... The recording of membrane potentials in the superior cervical ganglion was made simple with the sucrose-gap method as it allows ... A pair of agar-bridged Ag-AgCl electrodes are placed in the test and KCl chambers to record the changes in membrane potential. ... When used with proper electronics, the double sucrose gap can be used to voltage clamp the membrane potential of the nerve or ...
Carandini, M; Ferster, D (2000). "Membrane potential and firing rate in cat primary visual cortex". Journal of Neuroscience. 20 ... membrane potential, and firing rate in visual cortex and discovered that prolonged visual stimulation causes a tonic ...
... makes this inactivation happen at less depolarized membrane potentials. This means that lacosamide only affects ... In a study conducted to assess the teratogenic potential of AEDs in the zebrafish embryo, the teratogenicity index of ... Inactivation only occurs in neurons firing action potentials; this means that drugs that modulate fast inactivation selectively ... This inactivation prevents the channel from opening, helping end the action potential. Many antiepileptic drugs, like ...
Other interesting uses of fluorescent proteins in the literature include using FPs as sensors of neuron membrane potential, ... "Genetically encoded fluorescent sensors of membrane potential". Brain Cell Biology. 36 (1-4): 53-67. doi:10.1007/s11068-008- ... Due to the potential for widespread usage and the evolving needs of researchers, many different mutants of GFP have been ... For example, mGFP often refers to a GFP with an N-terminal palmitoylation that causes the GFP to bind to cell membranes. ...
Effect of intralysosomal pH and membrane potential". The Journal of Biological Chemistry. 262 (3): 1244-53. PMID 2948955. ... The proton motive force (pmf) across the lysosomal membrane is generated by a V-type ATPase which hydrolyzes cytoplasmic ATP to ... Removal of the C-terminal GYDQL lysosomal sorting motif causes cystinosin to migrate to the plasma membrane with the ...
Schirmer EC, Florens L, Guan T, Yates JR 3rd, Gerace L (Sep 2003). "Nuclear membrane proteins with potential disease links ... 2006). "NDC1: a crucial membrane-integral nucleoporin of metazoan nuclear pore complexes". J. Cell Biol. 173 (4): 509-19. doi: ...
Schirmer EC, Florens L, Guan T, Yates JR, Gerace L (Sep 2003). "Nuclear membrane proteins with potential disease links found by ... encoding a potential membrane protein conserved from yeast to man, is strongly expressed in testis and cancer cell lines". ...
Involvement in mitochondrial membrane potential and cell death". The Journal of Biological Chemistry. 277 (36): 33249-57. doi: ... Involvement in mitochondrial membrane potential and cell death". The Journal of Biological Chemistry. 277 (36): 33249-57. doi: ... It may play important roles in the regulation of the mitochondrial membrane potential and in protection against oxidant-induced ... The encoded protein may play important roles in the regulation of the mitochondrial membrane potential and in protection ...
Potentiators reduce the zeta potential of RBC membranes. Common potentiators include low ionic strength solution (LISS), ... RBCs have a net negative charge called zeta potential which causes them to have a natural repulsion for one another. ... an individual's blood may contain IgG antibodies that can specifically bind to antigens on the RBC surface membrane, and their ... IgM mediated activation of classical complement pathway and Membrane attack complex, MAC) (A memory device to remember that the ...
Rudberg P, Sand O (February 2000). "Bistable membrane potential of the ciliate Coleps hirtus". The Journal of Experimental ...
Additional heat may be generated by membrane configuration changes driven by the changes in membrane potential. An increase in ... The resulting decrease in membrane potential opens nearby voltage-gated sodium channels, thus propagating the action potential ... Δρ is the change in membrane density under the influence of the action potential, c0 is the sound velocity of the nerve ... Hodgkin AL, Huxley AF (1952). "The dual effect of membrane potential on sodium conductance in the giant axon of Loligo". J ...
... subthreshold membrane potential oscillations, i.e. resonance behavior that does not result in action potentials, may also ... Neurons generate action potentials resulting from changes in the electric membrane potential. Neurons can generate multiple ... oscillations can appear either as oscillations in membrane potential or as rhythmic patterns of action potentials, which then ... Class II neurons are also more prone to display sub-threshold oscillations in membrane potential. A group of neurons can also ...
After an action potential travels down the axon of a neuron, the resting membrane potential of the axon must be restored before ... During an action potential, the depolarization is so large that the potential difference across the cell membrane briefly ... This shift from a negative to a more positive membrane potential occurs during several processes, including an action potential ... During depolarization, the membrane potential rapidly shifts from negative to positive. For this rapid change to take place ...
Though successful in predicting the timing and qualitative features of the action potential, it nevertheless failed to predict ... from membrane currents, proteins, and chemical coupling to network oscillations, columnar and topographic architecture, and ... Huxley developed the voltage clamp and created the first biophysical model of the action potential. Hubel & Wiesel discovered ... "A quantitative description of membrane current and its application to conduction and excitation in nerve". J. Physiol. 117 (4 ...