Academic literature on the topic 'Cell membrane ion transport'

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Journal articles on the topic "Cell membrane ion transport"

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Dubyak, George R. "Ion homeostasis, channels, and transporters: an update on cellular mechanisms." Advances in Physiology Education 28, no. 4 (2004): 143–54. http://dx.doi.org/10.1152/advan.00046.2004.

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The steady-state maintenance of highly asymmetric concentrations of the major inorganic cations and anions is a major function of both plasma membranes and the membranes of intracellular organelles. Homeostatic regulation of these ionic gradients is critical for most functions. Due to their charge, the movements of ions across biological membranes necessarily involves facilitation by intrinsic membrane transport proteins. The functional characterization and categorization of membrane transport proteins was a major focus of cell physiological research from the 1950s through the 1980s. On the ba
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Martinez, J. R. "Ion Transport and Water Movement." Journal of Dental Research 66, no. 1_suppl (1987): 638–47. http://dx.doi.org/10.1177/00220345870660s106.

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Secretion of water and electrolytes in salivary glands occurs by a dual process involving the formation of a plasma-like, isotonic primary-secretion in salivary acini and its subsequent modification in salivary-ducts by the removal and addition of specific ions. The mechanisms underlying the formation of primary acinar secretion have been investigated with a number of experimental approaches such as electrophysiology, the measurement of ion transport in gland fragments and dispersed acinar cells, and the evaluation of the ionic requirements for secretion in isolated, perfused gland preparation
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Martinez, J. R. "Ion Transport and Water Movement." Journal of Dental Research 66, no. 2_suppl (1987): 638–47. http://dx.doi.org/10.1177/00220345870660s206.

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Secretion of water and electrolytes in salivary glands occurs by a dual process involving the formation of a plasma-like, isotonic primary-secretion in salivary acini and its subsequent modification in salivary-ducts by the removal and addition of specific ions. The mechanisms underlying the formation of primary acinar secretion have been investigated with a number of experimental approaches such as electrophysiology, the measurement of ion transport in gland fragments and dispersed acinar cells, and the evaluation of the ionic requirements for secretion in isolated, perfused gland preparation
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Brône, Bert, and Jan Eggermont. "PDZ proteins retain and regulate membrane transporters in polarized epithelial cell membranes." American Journal of Physiology-Cell Physiology 288, no. 1 (2005): C20—C29. http://dx.doi.org/10.1152/ajpcell.00368.2004.

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PDZ proteins retain and regulate membrane transporters in polarized epithelial cell membranes. Am J Physiol Cell Physiol 288: C20–C29, 2005; doi:10.1152/ajpcell.00368.2004.—The plasma membrane of epithelial cells is subdivided into two physically separated compartments known as the apical and basolateral membranes. To obtain directional transepithelial solute transport, membrane transporters (i.e., ion channels, cotransporters, exchangers, and ion pumps) need to be targeted selectively to either of these membrane domains. In addition, the transport properties of an epithelial cell will be main
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Bianchi, G. "Ion transport across blood cell membrane in essential hypertension." Current Opinion in Cardiology 1, no. 5 (1986): 634–40. http://dx.doi.org/10.1097/00001573-198609000-00009.

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Shennan, D. B., and C. A. R. Boyd. "Ion transport by the placenta: a review of membrane transport systems." Biochimica et Biophysica Acta (BBA) - Reviews on Biomembranes 906, no. 3 (1987): 437–57. http://dx.doi.org/10.1016/0304-4157(87)90019-0.

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Kourie, Joseph I. "Interaction of reactive oxygen species with ion transport mechanisms." American Journal of Physiology-Cell Physiology 275, no. 1 (1998): C1—C24. http://dx.doi.org/10.1152/ajpcell.1998.275.1.c1.

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The use of electrophysiological and molecular biology techniques has shed light on reactive oxygen species (ROS)-induced impairment of surface and internal membranes that control cellular signaling. These deleterious effects of ROS are due to their interaction with various ion transport proteins underlying the transmembrane signal transduction, namely, 1) ion channels, such as Ca2+ channels (including voltage-sensitive L-type Ca2+currents, dihydropyridine receptor voltage sensors, ryanodine receptor Ca2+-release channels, andd- myo-inositol 1,4,5-trisphosphate receptor Ca2+-release channels),
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Morachevskaya, Elena A., and Anastasia V. Sudarikova. "Actin dynamics as critical ion channel regulator: ENaC and Piezo in focus." American Journal of Physiology-Cell Physiology 320, no. 5 (2021): C696—C702. http://dx.doi.org/10.1152/ajpcell.00368.2020.

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Ion channels in plasma membrane play a principal role in different physiological processes, including cell volume regulation, signal transduction, and modulation of membrane potential in living cells. Actin-based cytoskeleton, which exists in a dynamic balance between monomeric and polymeric forms (globular and fibrillar actin), can be directly or indirectly involved in various cellular responses including modulation of ion channel activity. In this mini-review, we present an overview of the role of submembranous actin dynamics in the regulation of ion channels in excitable and nonexcitable ce
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Bing, Robert F., Anthony M. Heagerty, Herbert Thurston, and John D. Swales. "Ion transport in hypertension: are changes in the cell membrane responsible?" Clinical Science 71, no. 3 (1986): 225–30. http://dx.doi.org/10.1042/cs0710225.

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Disturbances in several, distinct cell membrane ion transport processes have been demonstrated in essential hypertension but their variable relationship to blood pressure in different populations has made it difficult to achieve a unifying hypothesis. We suggest that altered composition of the lipid fraction of the cell membrane is the common underlying factor. This would produce many of the reported perturbations of cell membrane properties and function, not all of which relate directly to the development of hypertension, but which act as markers for the underlying abnormality. However, funct
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Muallem, Shmuel, Woo Young Chung, Archana Jha, and Malini Ahuja. "Lipids at membrane contact sites: cell signaling and ion transport." EMBO reports 18, no. 11 (2017): 1893–904. http://dx.doi.org/10.15252/embr.201744331.

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Dissertations / Theses on the topic "Cell membrane ion transport"

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Jenkins, Richard J. "The mechanisms whereby the sodium, potassium-ATPhase undergoes adaptive changes in human lymphocytes in response to lithium." Thesis, University of Oxford, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.236273.

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Schmidt, Stephanie Ann. "Mathematical models of ion transport through nafion membranes in modified electrodes and fuel cells without electroneutrality." Diss., University of Iowa, 2010. https://ir.uiowa.edu/etd/734.

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Electrodes are modified with polymer films to grant novel permeability. Often, redox probes partition from solution into film and are electrolyzed at the electrode. This creates a flux of probe into the polymer film and a flux of electrolyzed probe out of the polymer film. Transport of the probe through the film is governed by diffusion and migration, mathematically described from the Nernst-Planck equation as J_{i}=-D_{i}((∂C_{i}(x,t))/(∂x))-((z_{i}F)/(RT))D_{i}C_{i}(x,t)((∂Φ(x,t))/(∂x)) where x is the distance from the electrode, t is time, C_{i}(x,t) is space and time dependant concentratio
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Hsu, Viktoria R. T. "Ion transport through biological cell membranes : from electro-diffusion to Hodgkin-Huxley via a quasi steady-state approach /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/6755.

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García, Gamuz José Antonio. "Caracterización hidrodinámica y fenomenológica de membranas selectivas." Doctoral thesis, Universidad de Murcia, 2009. http://hdl.handle.net/10803/10842.

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El objetivo principal de este trabajo es desarrollar un modelo sencillo que permita la caracterización hidrodinámica de membranas selectivas integradas en sistemas bi-iónicos, mediante la determinación de coeficientes de difusión y de espesores de las capas límite alrededor de la membrana. A tal fin, se empleó una célula de difusión rotatoria (CDR), que permite el establecimiento de condiciones hidrodinámicas bien definidas para el sistema de membrana, dado que la variación de la frecuencia de giro del cilindro interior (ω), permite disminuir el espesor de la capa límite sobre la membran
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Touchard, Pascale. "Propriétés d'échange et de transport ioniques des parois végétales isolées de cals de lin." Rouen, 1988. http://www.theses.fr/1988ROUES017.

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Winschel, Christine A. "Accurate Methodology for Monitoring Biomembrane Events." VCU Scholars Compass, 2012. http://scholarscompass.vcu.edu/etd/2860.

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Abstract ACCURATE METHODOLOGY FOR MONITORING BIOMEMBRANE EVENTS By Christine A. Winschel, Ph.D. A Dissertation submitted in partial fulfillment of the requirements for the degree of Doctorate of Philosophy in Chemistry at Virginia Commonwealth University. Virginia Commonwealth University, 2012 Major Director: Dr. Vladimir A. Sidorov ASSOCIATE PROFESSOR, DEPARTMENT OF CHEMISTRY This study describes the synthesis and characterization of a new receptor (cyclen 1) capable of strong selective binding of pyrene-based anionic dyes under near-physiological conditions. This receptor comprises four na
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Agostinelli, Simone. "A compartmentalised microchip platform with charged hydrogel to study protein diffusion for Single Cell Analysis." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/20333/.

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Within one tumor, cancer cells exist as different sub-populations due to the variations in expression of crucial bio-markers. The prevalence of even minor cell sub-populations can determine overall cancer progression and treatment response. Single-cell protein analysis is a way to identify these cell sub-populations; therefore we developed a microfluidic platform with ultrahigh-sensitivity for single-cell protein analysis. As the key step to develop such a platform, protein migration under the application of an electric field has to be understood. COMSOL multi-physics software is used as
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Monedero, Alonso David. "Characterization of cationic conductances of human erythrocytes and their involvement in health and disease." Electronic Thesis or Diss., Sorbonne université, 2019. http://www.theses.fr/2019SORUS554.

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La membrane des globules rouges est dotée de plusieurs canaux ioniques. Normalement silencieux, ils peuvent dissiper rapidement les gradients ioniques une fois activés. Lors de cette étude, l'utilisation du NS3623 à des concentrations supérieures à celles requises pour l'inhibition des voies de conductances anioniques montre que ce composé active les canaux cationiques non sélectifs permettant ainsi leur étude y compris en conditions hyperpolarisantes. Le suivi en temps réel du potentiel membranaire à l'aide de l'ionophore à protons CCCP permet d’observer directement l'activité des canaux ioni
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Schaumann-Gaudinet, Annick. "Perturbation par les ions lithium de caractéristiques ioniques des suspensions cellulaires d'Acer pseudoplatanus L." Rouen, 1988. http://www.theses.fr/1988ROUES018.

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Ermolayeva, Elena. "Plasma membrane ion transport in phytochrome signal transduction." Thesis, University of York, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.319767.

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Books on the topic "Cell membrane ion transport"

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Christoph, Lüttgau Hans, ed. Membrane control of cellular activity. Fischer, 1986.

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Simon, Sidney A. Current topics in membranes: Mechanosensitive Ion Channels : Part A. Elsevier, 2007.

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E, Clapham David, and Ehrlich Barbara E, eds. Organellar ion channels and transporters. Rockefeller University Press, 1996.

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Giulio, Milazzo, and Blank Martin 1933-, eds. Bioelecrochemistry III: Charge separation across biomembranes. Plenum Press, 1990.

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J, Garrahan Patricio, ed. The Ca2+ pump of plasma membranes. CRC Press, 1986.

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Yuan, Jason X.-J., 1963- and Ward Jeremy P. T, eds. Membrane receptors, channels, and transporters in pulmonary circulation. Springer, 2010.

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Murdoch, Ritchie J., Keynes R. D, and Bolis Liana, eds. Ion channels in neural membranes: Proceedings of the 11th International Conference on Biological Membranes held at Crans-sur-Sierre, Switzerland, June 10-14, 1985. A.R. Liss, 1986.

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J, Mandel Lazaro, and Eaton Douglas C, eds. Cell calcium and the control of membrane transport: Society of General Physiologists, 40th Annual Symposium. Rockefeller University Press, 1987.

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Yudilevich, David L., Rosa Devés, Salvador Perán, and Z. Ioav Cabantchik, eds. Cell Membrane Transport. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4757-9601-8.

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Kotyk, Arnošt, and Karel Janáček. Cell Membrane Transport. Springer US, 1988. http://dx.doi.org/10.1007/978-1-4684-0718-1.

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Book chapters on the topic "Cell membrane ion transport"

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García-Díaz, J. Fernando, and Fernando Giráldez. "The Use of Ion-Selective Microelectrodes to Study Cellular Transport Processes." In Cell Membrane Transport. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4757-9601-8_11.

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Petersen, Ole. "Single-Channel and Whole-Cell Patch-Clamp Experiments on Gland Cells: Activation of Ion Channels Via Internal Messengers." In Cell Membrane Transport. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4757-9601-8_22.

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Sachs, George, John Cuppoletti, Robert D. Gunther, et al. "Ion Pumps, Ion Pathways, Ion Sites." In New Insights into Cell and Membrane Transport Processes. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4684-5062-0_5.

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Bennekou, Poul, and Palle Christophersen. "Ion Channels." In Red Cell Membrane Transport in Health and Disease. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05181-8_6.

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Kulbacka, Julita, Anna Choromańska, Joanna Rossowska, Joanna Weżgowiec, Jolanta Saczko, and Marie-Pierre Rols. "Cell Membrane Transport Mechanisms: Ion Channels and Electrical Properties of Cell Membranes." In Transport Across Natural and Modified Biological Membranes and its Implications in Physiology and Therapy. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-56895-9_3.

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Bentrup, Friedrich-Wilhelm. "Cell Electrophysiology and Membrane Transport." In Progress in Botany. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-75154-7_5.

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Bentrup, Friedrich-Wilhelm. "Cell Electrophysiology and Membrane Transport." In Progress in Botany. Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-642-45607-7_5.

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Lever, J. E. "Cell and Molecular Biology of Na+/Glucose Symport." In Membrane Transport in Biology. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-76983-2_2.

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Omasta, Travis J., and William E. Mustain. "Water and Ion Transport in Anion Exchange Membrane Fuel Cells." In Anion Exchange Membrane Fuel Cells. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-71371-7_1.

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English, Leigh, Benjamin White, and Lewis Cantley. "Comparison of the Na+ Pump and the Ouabain-Resistant K+ Transport System with Other Metal Ion Transport ATPases." In New Insights into Cell and Membrane Transport Processes. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4684-5062-0_12.

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Conference papers on the topic "Cell membrane ion transport"

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Romero, T., and W. Me´rida. "Transient Water Transport in Nafion Membranes Under Activity Gradients." In ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2010. http://dx.doi.org/10.1115/fuelcell2010-33317.

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Transient water transport experiments on Nafion of different thicknesses were carried out in the temperature range of 30 to 70 °C. These experiments report on water transport measurements under activity gradients in the time domain for liquid and vapour equilibrated Nafion membranes. Using a permeability test rig with a gated valve, the water crossover was measured as a function of time. The typical response is shown as a time dependent flux, and it shows the dynamic transport from an initially dry condition up to the final steady state. Contrarily to previous reports from dynamic water transp
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Sundaresan, Vishnu Baba, and Donald J. Leo. "Modeling and Characterization of a Chemomechanical Actuator Based on Protein Transporters." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43712.

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Plants and animal cells are naturally occurring actuators that exhibit force and motion driven by fluid transport through the cell membrane. The protein transporters embedded in the cell membrane serve as the selective gateway for ion and fluid transport. The actuator presented in this work generates force and deformation from mass transport through an artificial membrane with protein transporters extracted from plant cell membranes. The artificial membrane is formed from purified 1-Palmitoyl-2-Oleoyl-sn-Glycero-3-[Phospho-L-Serine] (Sodium Salt) (POPS), 1-Palmitoyl-2-Oleoyl-sn-Glycero-3-Phosp
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Hery, Travis M., and Vishnu-Baba Sundaresan. "Pore-Spanning PPy(DBS) as a Voltage-Gated Synthetic Membrane Ion Channel." In ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/smasis2016-9193.

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The transport of monovalent cations across a suspended PPy(DBS) polymer membrane in an aqueous solution as a function of its redox state is investigated. Maximum ion transport is found to occur when PPy(DBS) is in the reduced state, and minimum transport in the oxidized state. No deviation in the dynamics of ion transport based on the direction of the applied electrical field is observed. Additionally, it is found that ion transport rates linearly increased proportional to the state of reduction until a steady state is reached when the polymer is fully reduced. Therefore controlled, bidirectio
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Liu, JuanFang, Nobuyuki Oshima, Eru Kurihara, and LitanKumar Saha. "Water Transport in the MEA of a PEM Fuel Cell." In ASME 2009 7th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2009. http://dx.doi.org/10.1115/fuelcell2009-85061.

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In the paper, a one-dimensional model of water transport across the entire cell is presented for the proton exchange membrane fuel cell. In the model, the catalyst layer is treated as a separate computing domain, not an interface between the gas diffusion layer and membrane. Meanwhile, in the membrane mechanisms of back diffusion and electro-osmotic drag are considered, while pure diffusion process is taken into account for the gas-phase flow in the cell. In the catalyst layer, except for Knudsen diffusion, water vapor in the pore is coupled with liquid water in the ionomor phase by the isothe
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Baschuk, J., and Xianguo Li. "Applying the Generalized Stefan-Maxwell Equations to Ion and Water Transport in the Polymer Electrolyte of a PEM Fuel Cell." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-41660.

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Ion and water transport phenomena in the polymer electrolyte plays a significant role in the energy conversion process of a polymer electrolyte membrane (PEM) fuel cell. A mathematical model for ion and water transport in the polymer electrolyte is presented, based on non-equilibrium thermodynamics and the Generalized Stefan-Maxwell equations. The physical constants of the model, such as the binary diffusion coefficients of the Generalized Stefan-Maxwell equations, are obtained from published, experimental data for membrane water diffusion and conductivity. The electrolyte transport model is i
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Li, Jianbo, and Hao Lin. "The Role of Ion Electrophoresis in Electroporation-Mediated Molecular Delivery." In ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer. ASMEDC, 2009. http://dx.doi.org/10.1115/mnhmt2009-18495.

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Electroporation is a widely applied technique to deliver active molecules into the cellular compartment, to perform tasks such as gene therapy and directed stem cell differentiation, among many others. In this technique, an electric field transiently permeabilizes the cellular membrane to facilitate molecular exchange. While the permeabilization process is relatively well understood, the transport mechanisms for molecular delivery are still under debate. In this work, the role of ion electrophoresis in electroporation-mediated molecular delivery is investigated using numerical simulation. The
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Myles, Timothy D., Kyle N. Grew, Aldo A. Peracchio, and Wilson K. S. Chiu. "Examination of Water Diffusion Process Within a Low Temperature Polymer Fuel Cell Membrane." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-11341.

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Water transport in fuel cells is of interest since the hydration state of the electrolyte is strong related to its conductivity. This study focuses on one part of water transport in fuel cell membranes, namely diffusion. In order to study diffusion processes in a fuel cell membrane a computer model has been developed. It is validated using information reported for the electrolyte membrane material Nafion. When the model is compared to experimental data from the literature a maximum error of 24.7% is observed. Two effects in addition to molecular diffusion have been studied; interfacial absorpt
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Verma, Atul, and Ranga Pitchumani. "Effect of Membrane Properties on Dynamic Behavior of Polymer Electrolyte Membrane Fuel Cells." In ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology collocated with the ASME 2013 Heat Transfer Summer Conference and the ASME 2013 7th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/fuelcell2013-18209.

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Understanding the performance of proton exchange membrane (PEM) fuel cells is critical to the water management in the fuel cell system. Low-humidity operating conditions present a complex interaction between dynamic behavior and water transport owing to different time scales of water transport mechanisms in the transient process. Toward understanding the effects of membrane properties on the dynamic behavior, this paper presents numerical simulations for a single channel PEM fuel cell undergoing changes in load, by subjecting the unit cell to step change in current. The objective is to elucida
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Guan, Yingxue, Aili Zhang, and Lisa X. Xu. "Study of Interaction Energy Between Nanoparticles and Cell Membrane." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-23187.

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Applications of nanoparticles in the bio-medical field like nano-medicine, molecular imaging probes, fluorescence marker, gene carriers, are developing quickly owing to the unique characteristics of nanoparticles. Among these applications, the interaction of nano-particles with the living cells is of critical importance. The complex chemical properties and biological activities of the particles bring about undesirable cytotoxic potentials and special cell internalization. According to previous studies, the cell uptake kinetics of nanoparticles mainly depend on the concentration difference betw
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Suzuki, Takahiro, Yuichiro Tabuchi, Shohji Tsushima, Shuichiro Hirai, Koichiro Aotani, and Norio Kubo. "Measurement of Water Content Distribution in Catalyst Coated Membrane at Water Permeation Condition by Magnetic Resonance Imaging." In ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2010. http://dx.doi.org/10.1115/fuelcell2010-33338.

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Through-plane water content distribution in a polymer electrolyte membrane (PEM) and water flux across the membrane were measured under different water permeation conditions using magnetic resonance imaging (MRI) and a dew point measurement system. We placed the PEM by itself or as a catalyst coated membrane (CCM) in an experimental cell, and we subjected them to several water permeation conditions that had different water activities across the membrane. We compared the water content distribution and water flux of samples, and the results showed the membranes exhibited different water content
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Reports on the topic "Cell membrane ion transport"

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Voth, Gregory A. Final Report: Computer Simulation of Proton Transport in Fuel Cell Membranes. Office of Scientific and Technical Information (OSTI), 2020. http://dx.doi.org/10.2172/1600007.

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Bose, Anima. Multi-Hybrid Power Vehicles with Cost Effective and Durable Polymer Electrolyte Membrane Fuel Cell and Li-ion Battery. Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1121743.

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