Results 51 to 60 of about 12,109,967 (416)
L-type calcium channels regulate a diverse array of cellular functions within excitable cells. Of the four molecularly defined subclasses of L-type Ca channels, two are expressed ubiquitously in the mammalian nervous system (CaV1.2α1 and CaV1.3α1 ...
Weifeng Xu, D. Lipscombe
semanticscholar +1 more source
A chloride channel in rat and human axons [PDF]
Current recordings from single chloride channels were obtained from excised and cell-attached patches of rat and human axons. In rat axons the channels showed an outwardly rectifying current-voltage relationship with a slope conductance of 33 pS at ...
Baker+19 more
core +1 more source
Electrically Conductive Diamond Membrane for Electrochemical Separation Processes [PDF]
Electrochemically switchable selective membranes play an important role in selective filtration processes such as water desalination, industrial waste treatment and hemodialysis. Currently, membranes for these purposes need to be optimized in terms of electrical conductivity and stability against fouling and corrosion.
arxiv +1 more source
EPSPs in rat neocortical neurons in vitro. II. Involvement of N-methyl-D-aspartate receptors in the generation of EPSPs [PDF]
1. Intracellular recordings were obtained from neurons in layer II/III of rat frontal cortex. Single-electrode current- and voltage-clamp techniques were employed to compare the sensitivity of excitatory postsynaptic potentials (EPSPs) and ...
Hablitz, John H., Sutor, Bernd
core +1 more source
Analogue modulation of back-propagating action potentials enables dendritic hybrid signalling
‘Analogue’ modulation by somatic membrane potentials can modify ‘digital’ axonal action potentials. Here, the authors show that analogue modulation can occur in back-propagating dendritic action potentials and calcium signals, leading to signal ...
János Brunner, János Szabadics
doaj +1 more source
Particle transport across a channel via an oscillating potential [PDF]
Membrane protein transporters alternate their substrate-binding sites between the extracellular and cytosolic side of the membrane according to the alternating access mechanism.
Dagdug, Leonardo+4 more
core +2 more sources
Probing the membrane potential of living cells by dielectric spectroscopy [PDF]
In this paper we demonstrate a quantitative way to measure the membrane potential of live cells by dielectric spectroscopy. We also show that the values of the membrane potential obtained using our technique are in good agreement with those obtained using traditional methods-voltage sensitive dyes.
arxiv +1 more source
Feedback-controlled solute transport through chemo-responsive polymer membranes [PDF]
Polymer membranes are typically assumed to be inert and nonresponsive to the flux and density of the permeating particles in transport processes. Here, we study theoretically the consequences of membrane responsiveness and feedback on the steady-state force--flux relations and membrane permeability using a nonlinear-feedback solution-diffusion model of
arxiv +1 more source
Lateral phase separation of confined membranes [PDF]
We consider membranes interacting via short, intermediate and long stickers. The effects of the intermediate stickers on the lateral phase separation of the membranes are studied via mean-field approximation. The critical potential depth of the stickers increases in the presence of the intermediate sticker.
arxiv +1 more source
The long‐term changes that underlie learning and memory are activated by rises in intracellular Ca2+ that activate a number of signalling pathways and trigger changes in gene transcription.
J. Power, P. Sah
semanticscholar +1 more source