Results 1 to 10 of about 214,935 (129)

Membrane Dipole Potentials [PDF]

Biophysical Journal, 2014
Molecular and Cellular ...
Berg, Howard Curtis
core   +3 more sources

Optical Mapping of Cardiomyocytes in Monolayer Derived from Induced Pluripotent Stem Cells

Cells, 2023
Optical mapping is a powerful imaging technique widely adopted to measure membrane potential changes and intracellular Ca2+ variations in excitable tissues using voltage-sensitive dyes and Ca2+ indicators, respectively.
Mohammed Djemai, Michael Cupelli, Mohamed Boutjdir, Mohamed Chahine   +3 more
doaj   +1 more source

Positively charged mineral surfaces promoted the accumulation of organic intermediates at the origin of metabolism.

PLoS Computational Biology, 2022
Identifying plausible mechanisms for compartmentalization and accumulation of the organic intermediates of early metabolic cycles in primitive cells has been a major challenge in theories of life's origins.
Amir Akbari, Bernhard O Palsson
doaj   +1 more source

Mitochondrial membrane potential [PDF]

Analytical Biochemistry, 2018
The mitochondrial membrane potential (ΔΨm) generated by proton pumps (Complexes I, III and IV) is an essential component in the process of energy storage during oxidative phosphorylation. Together with the proton gradient (ΔpH), ΔΨm forms the transmembrane potential of hydrogen ions which is harnessed to make ATP.
Ljubava D, Zorova, Vasily A, Popkov, Egor Y, Plotnikov, Denis N, Silachev, Irina B, Pevzner, Stanislovas S, Jankauskas, Valentina A, Babenko, Savva D, Zorov, Anastasia V, Balakireva, Magdalena, Juhaszova, Steven J, Sollott, Dmitry B, Zorov   +11 more
openaire   +2 more sources

On the accuracy of cell-attached current-clamp recordings from cortical neurons

Frontiers in Molecular Neuroscience, 2022
Cell-attached current-clamp (CA/CC) recordings have been proposed to measure resting membrane potential and synaptic/agonist responses in neurons without disrupting the cell membrane, thus avoiding the intracellular dialysis that occurs in conventional ...
Alina Vazetdinova, Fliza Valiullina-Rakhmatullina, Andrei Rozov, Andrei Rozov, Andrei Rozov, Alexander Evstifeev, Roustem Khazipov, Roustem Khazipov, Azat Nasretdinov   +8 more
doaj   +1 more source

BRANEart: Identify Stability Strength and Weakness Regions in Membrane Proteins

Frontiers in Bioinformatics, 2021
Understanding the role of stability strengths and weaknesses in proteins is a key objective for rationalizing their dynamical and functional properties such as conformational changes, catalytic activity, and protein-protein and protein-ligand ...
Sankar Basu, Sankar Basu, Simon S. Assaf, Fabian Teheux, Marianne Rooman, Marianne Rooman, Fabrizio Pucci, Fabrizio Pucci   +7 more
doaj   +1 more source

Taste Receptor Cells Generate Oscillating Receptor Potentials by Activating G Protein-Coupled Taste Receptors

Frontiers in Physiology, 2022
The receptor potentials of taste receptor cells remain unclear. Here, we demonstrate that taste receptor cells generate oscillating depolarization (n = 7) with action potentials in response to sweet, bitter, umami, and salty taste substances.
Yoshiki Nakao, Katsumi Tateno, Yoshitaka Ohtubo   +2 more
doaj   +1 more source

Event-Based Update of Synapses in Voltage-Based Learning Rules

Frontiers in Neuroinformatics, 2021
Due to the point-like nature of neuronal spiking, efficient neural network simulators often employ event-based simulation schemes for synapses. Yet many types of synaptic plasticity rely on the membrane potential of the postsynaptic cell as a third ...
Jonas Stapmanns, Jonas Stapmanns, Jan Hahne, Moritz Helias, Moritz Helias, Matthias Bolten, Markus Diesmann, Markus Diesmann, Markus Diesmann, David Dahmen   +9 more
doaj   +1 more source

A space-fractional cable equation for the propagation of action potentials in myelinated neurons [PDF]

, 2020
Myelinated neurons are characterized by the presence of myelin, a multilaminated wrapping around the axons formed by specialized neuroglial cells. Myelin acts as an electrical insulator and therefore, in myelinated neurons, the action potentials do not ...
Drapaca, Corina S., Ozdemir, Sahin, Proctor, Elizabeth A.   +2 more
core   +2 more sources

Effect of Porosity and Concentration Polarization on Electrolyte Diffusive Transport Parameters through Ceramic Membranes with Similar Nanopore Size

Nanomaterials, 2014
Diffusive transport through nanoporous alumina membranes (NPAMs) produced by the two-step anodization method, with similar pore size but different porosity, is studied by analyzing membrane potential measured with NaCl solutions at different ...
Virginia Romero, Victor Vega, Javier García, Victor M. Prida, Blanca Hernando, Juana Benavente   +5 more
doaj   +1 more source