Results 281 to 290 of about 958,913 (319)

Interatomic potential and channelling

Radiation Effects, 1976
Abstract An interatomic potential proposed recently in connection with some planar channelling calculations has been examined with regards to its predictions for the quantities of interest in axial channeling, such as string potential and critical angles.
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Calcium channel as a potential anticancer agent

Medical Hypotheses, 2009
Anticancer treatment in modern clinical practices includes chemotherapy and radiation therapy with or without surgical interventions. Efficiency of both methods varies greatly depending on cancer types and stages. Besides, chemo- and radiotherapy are toxic and damaging that causes serious side effects.
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The pharmacology of potassium channels and their therapeutic potential

Trends in Pharmacological Sciences, 1988
Abstract In the last few years, evidence has emerged that the cellular site of action of a number of drugs used therapeutically seems to involve the modulation of membrane K + channels. For example, blockers of K + channels are able to promote the secretion of insulin from the pancreas and to suppress dysrhythmias of the heart.
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Ion Channels in Action Potential Generation

Hospital Practice, 1992
Molecular structure-function studies have identified the two key regions--the voltage sensor and pore--of the sodium and potassium channels responsible for the action potential in nerve axon. Mutational analysis has focused on the amino acids that are most important in each region. Similar studies in myocytes and nerve cell bodies are now being pursued.
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The h-channel: A potential channelopathy in epilepsy?

Epilepsy & Behavior, 2005
Ion channelopathy is a proven cause of inherited human epilepsy, and may play a role in acquired epileptic syndromes as well. Of the many ion channel causes of epilepsy, the h-channel is a potential new addition. H-channels are voltage-gated ion channels with unique biophysical properties.
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TRP Channels as Potential Drug Targets

Annual Review of Pharmacology and Toxicology, 2018
The transient receptor potential (TRP) superfamily of channels comprises a diverse group of cation channels. Four TRP channel subunits coassemble to form functional homo- or heterotetramers that pass sodium, calcium, or both in the inward direction. Modulating TRP channel activity provides an important way to impact cellular function by regulating both
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Potential scattering with confined channels

Annals of Physics, 1976
Abstract We introduce a class of nonrelativistic multichannel potential scattering models which are characterized by the simultaneous presence of and communication between two distinct types of channels: First, ordinary two-particle scattering channels, the Hamiltonian for which has an absolutely continuous spectrum on the positive real energy axis ...
R.F Dashen, J.B Healy, I.J Muzinich
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Shadow Channels in Potential Theory

Physical Review D, 1971
The effect of coupling a shadow channel to a real channel is studied in the framework of nonrelativistic potential-scattering theory. For simplicity, $s$-wave scattering with energy-independent $\ensuremath{\delta}$-function potentials is considered. This model has the virtue of being exactly solvable in configuration space.
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Complex Continuum Potential for Channeling

Journal of the Physical Society of Japan, 1973
Complex continuum potentials for channeling due to non-local inelastic scatterings are introduced. The relation between the complex continuum potential and the Yoshioka term for electron diffraction is studied. For an example, phonon excitations are considered in detail for numerical calculations of the imaginary continuum potential (absorption ...
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SELF POTENTIAL AND CURRENT CHANNELLING*

Geophysical Prospecting, 1985
ABSTRACTAnomalies in self potential (SP) are usually explained in terms of geochemical activity. However, there are other sources of current which cause complications in the interpretation. In particular, DC telluric currents can be generated outside the survey region.
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