Results 61 to 70 of about 220,443 (295)

Organizing the interface—Plasma membrane architecture and receptor dynamics in virus‐cell interactions

open access: yesFEBS Letters, EarlyView.
Plasma membranes contain dynamic nanoscale domains that organize lipids and receptors. Because viruses operate at similar scales, this architecture shapes early infection steps, including attachment, receptor engagement, and entry. Using influenza A virus and HIV‐1 as examples, we highlight how receptor nanoclusters, multivalent glycan interactions ...
Jan Schlegel, Christian Sieben
wiley   +1 more source

Determination of transmembrane pH gradients and membrane potentials in liposomes

open access: yes, 1992
Techniques for determining large transbilayer pH gradients (delta pH) and membrane potentials (delta psi) induced in response to delta pH in large unilamellar vesicle liposomal systems by measuring the transbilayer redistribution of radiolabeled ...
Cullis, P.R.   +3 more
core   +1 more source

Non-linear population firing rates and voltage sensitive dye signals in visual areas 17 and 18 to short duration stimuli. [PDF]

open access: yesPLoS ONE, 2008
Visual stimuli of short duration seem to persist longer after the stimulus offset than stimuli of longer duration. This visual persistence must have a physiological explanation.
David Eriksson   +2 more
doaj   +1 more source

Biophysical approaches for studying viral entry

open access: yesFEBS Letters, EarlyView.
Viruses infect all living organisms and have been responsible for major epidemics and pandemics. Their ongoing evolutionary battle with host defenses creates a constant need for improved tools to study viral behavior. Advancing methods to probe viral attachment, fusion, and genome release deepen our understanding of how infections begin and support the
Inbar Yosibash, Raya Sorkin
wiley   +1 more source

Simultaneous imaging of cell and mitochondrial membrane potentials

open access: yes, 1989
The distribution of charged membrane-permeable molecular probes between intracellular organelles, the cytoplasm, and the outside medium is governed by the relative membrane electrical potentials of these regions through coupled equilibria described by ...
Farkas, D.L.   +4 more
core   +1 more source

Movement of ions across membranes: an active learning resource

open access: yesAdvances in Physiology Education
This paper describes a short ion flow activity that can be completed within one lab or lecture session. The activity is focused on the core concept of flow-down gradients and is geared toward undergraduates.
J. E. Hall, L. A. Pleasant, M. D. Kinkel
doaj   +1 more source

Septin 9 PB domains coordinate centrosome positioning and microtubule acetylation to control epithelial polarity

open access: yesFEBS Letters, EarlyView.
Septin 9 polybasic domains couple phosphoinositide‐rich membrane binding to centrosome positioning, Golgi organization, and microtubule acetylation to control epithelial polarity. Their loss disrupts this axis, causing centrosome mispositioning, Golgi fragmentation, reduced microtubule acetylation, and polarity inversion via upregulation of the ...
Ting ting Cai   +4 more
wiley   +1 more source

Cellular membrane potentials induced by alternating fields

open access: yes, 1992
Membrane potentials induced by external alternating fields are usually derived assuming that the membrane is insulating, that the cell has no surface conductance, and that the potentials are everywhere solutions of the Laplace equation.
Schwan, Herman P., Grosse, Constantino
core   +1 more source

Accelerating compartmental modeling on a graphical processing unit

open access: yesFrontiers in Neuroinformatics, 2013
Compartmental modeling is a widely used tool in neurophysiology but the detail and scope of such models is frequently limited by lack of computational resources. Here we implement compartmental modeling on low cost Graphical Processing Units (GPUs).
Roy eBen-Shalom   +4 more
doaj   +1 more source

Striatal cholinergic interneuron membrane voltage tracks locomotor rhythms in mice

open access: yesNature Communications, 2023
Rhythmic neural network activity has been broadly linked to behavior. However, it is unclear how membrane potentials of individual neurons track behavioral rhythms, even though many neurons exhibit pace-making properties in isolated brain circuits.
Sanaya N. Shroff   +9 more
doaj   +1 more source

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