Exploració per tema "Membranes (Biologia)"
Ara es mostren els items 1-20 de 44
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Amphipathic solvation of indole: implications for the role of tryptophan in membrane proteins
(2015-05-14)
Article
Accés obertThe microscopic structure of the tryptophan side chain, indole, in an amphiphilic environment has been investigated using a combination of neutron diffraction measurements and simulations in solution. The results show that ... -
An adaptive meshfree method for phase-field models of biomembranes. Part I: Approximation with maximum-entropy basis functions
(2013-09)
Article
Accés restringit per política de l'editorialWe present an adaptive meshfree method to approximate phase-field models of biomembranes. In such models, the Helfrich curvature elastic energy, the surface area, and the enclosed volume of a vesicle are written as functionals ... -
An adaptive meshfree method for phase-field models of biomembranes. Part II: A Lagrangian approach for membranes in viscous fluids
(2013-09)
Article
Accés restringit per política de l'editorialWe present a Lagrangian phase-field method to study the low Reynolds number dynamics of vesicles embedded in a viscous fluid. In contrast to previous approaches, where the field variables are the phase-field and the fluid ... -
Application of UF membrane for enzyme retention in continuous processes
(Universitat Politècnica de Catalunya, 2020-06-30)
Treball Final de Grau
Accés restringit per acord de confidencialitat
Realitzat a/amb: Technische Universität Berlin -
Binding and dynamics of melatonin at the interface of phosphatidylcholine-cholesterol membranes
(Public Library of Science (PLOS), 2019-11-07)
Article
Accés obertThe characterization of interactions between melatonin, one main ingredient of medicines regulating sleeping rhythms, and basic components of cellular plasma membranes (phos- pholipids, cholesterol, metal ions and water) ... -
Binding free energies of small-molecules in phospholipid membranes: Aminoacids, serotonin and melatonin
(2018-11-16)
Article
Accés obertFree energy barriers associated to the binding of small-molecules at phospholipid zwitterionic membranes have been computed at 323 K for a variety of species: tryptophan, histidine, tyrosine, serotonin and melatonin ... -
Biomembranas para el tratamiento de contaminantes gaseosos
(Universitat Politècnica de Catalunya, 2014-01)
Projecte Final de Màster Oficial
Accés obertEn el presente trabajo se pretende evaluar la viabilidad del uso de biomembranas para el tratamiento de contaminantes gaseosos en aire. La eliminación de estos contaminantes gaseosos hidrófobos se lleva a cabo mediante ... -
Biomimetic hybrid membranes: incorporation of transport proteins/peptides into polymer supports
(2019-01-01)
Article
Accés obertMolecular sensing, water purification and desalination, drug delivery, and DNA sequencing are some striking applications of biomimetic hybrid membranes. These devices take advantage of biomolecules, which have gained ... -
Biomimetic monolayer films of digalactosyldiacylglycerol incorporating plastoquinone
(2015-06-01)
Article
Accés obertThe photosynthesis is the process used by plants and bacteria cells to convert inorganic matter in organic thanks to the light energy. This process consist on several steps, being one of them the electronic transport from ... -
Biomimetic monolayer films of monogalactosyldiacylglycerol incorporating plastoquinone
(2015-05-01)
Article
Accés restringit per política de l'editorialPhotosynthetic organisms use light to convert the inorganic matter in organic one. Photosynthetic process consists on several steps, and one of them involves plastoquinone (PQ) that acts as electron and proton shuttle ... -
Biomimetic monolayer films of monogalactosyldiacylglycerol incorporating ubiquinone
(2012-09-01)
Article
Accés obertUbiquinone and plastoquinone are two of the main electron and proton shuttle molecules in biological systems, and monogalactosyldiacylglycerol (MGDG) is the most abundant lipid in the thylakoid membrane of chloroplasts. ... -
Caracterització de biopel·lícules mitjançant la utilització de microsensors
(Universitat Politècnica de Catalunya, 2015-06)
Treball Final de Grau
Accés obertLes tècniques biològiques han adquirit molta importància en quant a la eliminació de contaminants. La part fonamental de les tècniques biològiques és la eliminació dels contaminants a través de microorganismes. Aquests ... -
Cellular absorption of small molecules: free energy landscapes of melatonin binding at phospholipid membranes
(Nature, 2020-06-08)
Article
Accés obertFree energy calculations are essential to unveil mechanisms at the atomic scale such as binding of small solutes and their translocation across cell membranes, eventually producing cellular absorption. Melatonin regulates ... -
Comparison of polysulfone and ceramic membranes for the separation of phenol in micellar-enhanced ultrafiltration
(2002-02)
Article
Accés restringit per política de l'editorial -
Determination of equilibrium distribution constants of phenol between surfactant micelles and water using ultrafiltering centrifuge tubes
(Elsevier Science Publishers, New York, 1999-05)
Article
Accés restringit per política de l'editorial -
Effect of lysozyme subphase and insertion on several lipid films
(2019-06)
Article
Accés obertThe influence of proteins on lipid monolayers is a subject of biological interest. In this work the influence of lysozyme on lipid films of stearic acid, oleic acid, cholesterol, DPPC and POPC has been studied. The Langmuir ... -
Effects of cryoprotectants on phospholipid monolayers - concentration and species dependence
(2022-03)
Article
Accés obertThe effects of four cryoprotectants (dimethylformamide (DMF), ethylene glycol (EG), glycerol and dimethyl sulfoxide (DMSO)) on monolayers of four phospholipids were investigated at high cryoprotectant concentration (10% ... -
Electrochemistry of LB films of mixed MGDG:UQ on ITO
(2015-02-21)
Article
Accés obert -
Engineering membrane scaffolds with both physical and biomolecular signaling.
(2011-09-07)
Article
Accés restringit per política de l'editorialWe report on the combination of a top-down and bottom-up approach to develop thin bioactive membrane scaffolds based on functional elastin-like polymers (ELPs). Our strategy combines ELP cross-linking and assembly, and a ... -
Free energy landscapes of sodium ions bound to DMPC–cholesterol membrane surfaces at infinite dilution
(2016-03-02)
Article
Accés obertExploring the free energy landscapes of metal cations on phospholipid membrane surfaces is important for the understanding of chemical and biological processes in cellular environments. Using metadynamics simulations we ...