Results 11 to 20 of about 20,440,250 (309)

In vivo Overexpression of Electrogenic Sodium/Bicarbonate Cotransporter (NBCe1) by AAV9 Modifies the Cardiac Action Potential and the QT Interval in Mice

open access: yesFrontiers in Cardiovascular Medicine, 2022
Cardiac cells depend on specific sarcolemmal ion transporters to assure the correct intracellular pH regulation. The sodium/bicarbonate cotransporter (NBC) is one of the major alkalinizing mechanisms.
Romina A. Di Mattía   +7 more
doaj   +1 more source

On mathematical modeling of the propagation of a wave ensemble within an individual axon

open access: yesFrontiers in Cellular Neuroscience, 2023
The long history of studying the propagation of an action potential has revealed that an electrical signal is accompanied by mechanical and thermal effects. All these effects together generate an ensemble of waves. The consistent models of such a complex
Tanel Peets   +3 more
doaj   +1 more source

Distinct dendritic Ca2+ spike forms produce opposing input-output transformations in rat CA3 pyramidal cells

open access: yeseLife, 2021
Proper integration of different inputs targeting the dendritic tree of CA3 pyramidal cells (CA3PCs) is critical for associative learning and recall.
Ádám Magó   +3 more
doaj   +1 more source

Ultra-processed Foods and Cardiovascular Diseases: Potential Mechanisms of Action.

open access: yesAdvances in Nutrition, 2021
Ultra-processed foods are industrially manufactured ready-to-eat or ready-to-heat formulations containing food additives and little or no whole foods, in contrast to processed foods, which are whole foods preserved by traditional techniques such as ...
Filippa Juul, G. Vaidean, N. Parekh
semanticscholar   +1 more source

A Mathematical Model of the Mouse Atrial Myocyte With Inter-Atrial Electrophysiological Heterogeneity

open access: yesFrontiers in Physiology, 2020
Biophysically detailed mathematical models of cardiac electrophysiology provide an alternative to experimental approaches for investigating possible ionic mechanisms underlying the genesis of electrical action potentials and their propagation through the
Henggui Zhang   +8 more
doaj   +1 more source

Comparative Study of full QCD Hadron Spectrum and Static Quark Potential with Improved Actions [PDF]

open access: yes, 1999
We investigate effects of action improvement on the light hadron spectrum and the static quark potential in two-flavor QCD for $a^{-1} \approx 1$ GeV and $m_{PS}/m_V = 0.7-0.9$. We compare a renormalization group improved action with the plaquette action
A. Cucchieri   +66 more
core   +2 more sources

Potential Antiviral Action of Alkaloids

open access: yesMolecules, 2022
Viral infections and outbreaks have become a major concern and are one of the main causes of morbidity and mortality worldwide. The development of successful antiviral therapeutics and vaccines remains a daunting challenge.
Frage Abookleesh   +2 more
semanticscholar   +1 more source

Action potential propagation and synchronisation in myelinated axons

open access: yesbioRxiv, 2019
With the advent of advanced MRI techniques it has become possible to study axonal white matter non-invasively and in great detail. Measuring the various parameters of the long-range connections of the brain opens up the possibility to build and refine ...
Helmut Schmidt, T. Knösche
semanticscholar   +1 more source

ALTERNATIVE TO Q WAVE DIAGNOSIS USING CARDIAC ACTION POTENTIAL PROPAGATION TIME MEASUREMENT

open access: yesРоссийский кардиологический журнал, 2016
The diagnosis of myocardial infarction is done by ECG through the observation of Q waves in one or more leads. The paper describes the relationship between Q waves and the propagation time of the Cardiac Action potential and a technique by which this ...
S. Ananthi, V. Vignesh, K. Padmanabhan
doaj   +1 more source

QCD Effective action at high temperature and small chemical potential [PDF]

open access: yes, 2006
We present a construction of an effective Yang-Mills action for QCD, from the expansion of the fermionic determinant in terms of powers of the chemical potential at high temperature, for the case of massless quarks.
Allton   +12 more
core   +3 more sources

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