Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 2553 for “"membranes"”.
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Polymers at membranes
Die Oberfläche biologischer Zellen besteht aus einer Lipidmembran und einer Vielzahl von Proteinen und Polymeren, die in die Membran eingebaut sind. Die Beeinflussung der Membran durch Polymere, die mit einem Ende an der Membran verankert sind, wird im Rahmen dieser Arbeit anhand eines …
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Electrospinning polyampholyte nanofiber membranes
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] The elimination of nonspecific protein adsorption is an important challenge in many biomaterial applications. To address this issue, numerous nonfouling chemistries have been investigated. [2-(acryloyloxy) ethyl] trimethyl …
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Polymer molecular sieve membranes
… thesis is focused on design and fabrication of membranes from novel molecularly defined polymers and understanding their physical properties, particularly the transport properties of gas molecules in polymer membranes. First, we demonstrate a simple approach of fabricating novel polymer …
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Wrinkling in polygonal membranes
… needs to have a very precise shape, membranes can have an uncertain shape for they are prone to wrinkling. For this reason, there is hesitation in using these structures for telescopes, as the technology needs to mature. In this thesis, regular polygonal membranes tensioned at their …
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Evaporation from nanoporous membranes
… we investigated evaporation from nanoporous membranes. The capillary wicking of the nanopores supplies liquid to the evaporating interface, passively maintaining the thin film. Different evaporation regimes were predicted through modeling and were demonstrated experimentally. Good agreement …
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Graphene-Assisted gan membranes formation /
… as a platform for the formation of flexible membranes composed of group III nitrides.
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On Cholesterol Transport Between Membranes
The file named "TRINH-PRIMARY-2022-1.pdf" is the primary dissertation file. One (1) supplemental PDF file is also available and may be viewed individually.
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Passive transport through biological membranes
… into cells via cellular walls made of lipid membranes. Through the wall the cell needs to transport nutrients, waste, genetic information and signaling molecules. The cell achieves this task via passive and active transport. In this thesis we focus on passive transport processes. In Chapter 1 …
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Tastant interactions with model membranes
A wide range of compounds elicit the sweet taste response but currently it is not known what causes this response. In Chapter 3 a number of sweeteners, and representatives of all the taste groups are investigated using NMR spectroscopy. The T1 relaxation times of the tastants were determined in …
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Transport phenomena in hydrogel membranes
… and alkaline earth metal salts through hydrogel membranes are investigated. Although of relevance to aqueous separations in general, it was with their potential application in sensors that this work was particularly concerned. In order to study the effect that the nature of the solute has on the …
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Designing Magnetically Responsive Ultrafiltration Membranes
<p>Ultrafiltration (UF) membranes developed out of a need for protein separation processes. Currently, they are used in a variety of industries ranging from food manufacturing to pharmaceuticals for two main purposes: concentration, separation, and buffer exchange. UF membrane processes in product …
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Organic fouling of desalination membranes
… and detach in large pieces from both FO and RO membranes, regardless of operating pressure. These findings guide desalination process selection, membrane design, and cleaning protocol development to reduce the energy consumption associated with membrane fouling in desalination.
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Electromechanics of deformable polyelectrolyte membranes.
Massachusetts Institute of Technology. Dept. of Electrical Engineering. Thesis. 1974. Sc.D.
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Nanoscale membranes for electromechanical systems
Micro- and nano-electromechanical systems (MEMS/NEMS) are a technology field that branched out of semiconductor integrated circuit (IC) manufacturing about four decades ago, and one that forms the backbone of the Internet of Things era. However, as MEMS devices are becoming ubiquitous, they are …
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Lipid-protein interactions in lipid membranes
In dieser Arbeit werden Lipid-Protein-Wechselwirkungen und lipidvermittelte Protein-Protein-Wechselwirkungen mittels Monte-Carlo-Simulationen eines generischen vergröberten Modells für Lipiddoppelschichten mit hydrophoben Einschlüssen untersucht. Die Ergebnisse werden mit den Vorhersagen zweier …
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