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Thematische Bibliographien / Hydrophobicitet / Dissertationen

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Dissertationen zum Thema „Hydrophobicitet“

Autor: Grafiati

Veröffentlicht am 30. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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1

Jönsson, Ingrid. "Bio-based water/dirt repellant wood coating." Thesis, KTH, Fiber- och polymerteknologi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-298182.

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Syftet med detta examensarbete var att utveckla en helt bio-baserad vatten- och smutsavstötande ytbehandling för trä med ambitionen att ersätta en icke bio-baserad referens produkt på marknaden. Flera emulsioner med oljor och vaxer har framställts och analyserats utefter emulsionernas stabilitet och kvalitet. Flera av dessa emulsioners vattenabsorption, kontaktvinkel, pH värde vid ytan och åldrande i utomhusmiljö testades också efter att olika typer av trä behandlats med formuleringarna. En del av formuleringarna verkade ge liknande vattenabsorption som referensen på de olika typerna av trä me

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2

Jones, Amanda Kay. "Hydrophobicity in polysaccharide gelation." Thesis, Cranfield University, 1992. http://dspace.lib.cranfield.ac.uk/handle/1826/4595.

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The role of hydrophobic substituents on the gelation mechanism of highly esterified pectin and the cellulose derivatives methylcellulose and hydroxypropylmethylcellulose (HPMC) has been explored by monitoring the behaviour of the amphiphilic polysaccharides in varying combinations of an ethylene glycoVwater solvent. The gelling ability (mechanical spectroscopy, visual observation) of very highly esterified (- 100%) pectin in high concentrations of ethylene glycol (>60%) is greatly reduced, however, the polymer still undergoes conformational ordering (CD, OR). A model for gel formation involvin

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3

Jäger, Robert. "Quantification and localization of molecular hydrophobicity." [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=960539999.

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4

Crawford, Russell J., and n/a. "Particle size, hydrophobicity and flotation response." Swinburne University of Technology, 1986. http://adt.lib.swin.edu.au./public/adt-VSWT20070828.150946.

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Quartz particles of various discrete particle size ranges have been methylated to varying known mounts using trimethylchlorosilane and their flotation behaviour has been assessed in a modification of the Hallimond tube. For each particle size there is a definite degree of. surface coverage below which the particles do not float. A 'flotation domain' is identified which shorvs that both coarse (-100pm) and fine (-10pm) particles require a greater degree of surface coverage to initiate flotation than do intermediate (-40pm) particles. Water contact angles have been measured on quartz plates and

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5

Fergusson, Christian. "Hydrophobicity of Low Temperature Vibrating Surfaces." VCU Scholars Compass, 2018. https://scholarscompass.vcu.edu/etd/5589.

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This study proposes a method to enhance the anti-icing capabilities of superhydrophobic surfaces by utilizing vibration to further reduce contact time of an impacting droplet in addition to keeping the droplet in the Cassie-Baxter regime, where surface adhesion is lower than the opposing Wenzel regime. We tested this with two methods: by investigating the effects of vibration normal to the plane of a superhydrophobic surface being impacted by water droplets in a room temperature environment, with the surface horizontal in a room temperature environment and tiled in a subzero degree environment

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6

Guo, Hua. "Bio-inspired surface engineering for hydrophobicity." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2014. https://ro.ecu.edu.au/theses/1013.

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Highly evolved, efficient and sophisticated biological systems can be used as models for scientific innovations. This research explored specific surface structures on plant leaves with respect to their hydrophobicity in the context of the often arid Australian climate. The relationships between leaf surface structures and their hydrophobicity could inform the making of artificial surfaces with specially designed hydrophobicity. Moderate hydrophobicity and strong surface adhesion were discovered on many study plant leaves. Scanning Electron Microscopy (SEM) revealed that their surface morpholog

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7

Arbabzadeh, Sima-Dokht. "Functionality hydrophobicity relationships of selected food proteins." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=69580.

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Commercial food proteins were used in order to study the relationship between hydrophobicity and two functional properties: emulsification and foaming. Hydrophobicity determined by sodium dodecyl sulfate (SDS) binding method and the cis-parinaric acid (CPA) fluorescence probe method gave poor statistical correlation with foaming and emulsification. The SDS binding method gave higher hydrophobicity and higher correlation values with foaming and emulsifying, than the fluorescence probe CPA method.<br>Fourier Transform Infrared (FTIR) spectroscopy was used to study the secondary structures, of th

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8

Chacko, Blesson. "Hydrophobicity, solvation and structure formation in liquids." Thesis, Loughborough University, 2017. https://dspace.lboro.ac.uk/2134/27536.

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In this thesis we use density functional theory (DFT) to study the solvent mediated interactions between solvophobic, solvophilic and patchy nanostructures namely rectangular cross section blocks. We calculate both the density profiles and local compressibility around the blocks and the results obtained for our model system provide a means to understanding the basic physics of solvent mediated interactions between nanostructures, and between objects such as proteins in water, that possess hydrophobic and hydrophilic patches. Our results give an improved understanding of the behaviour of liquid

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9

Ho, Thu. "DEVELOPMENT OF MAGNETIC FABRICS WITH TUNABLE HYDROPHOBICITY." VCU Scholars Compass, 2012. http://scholarscompass.vcu.edu/etd/400.

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Polystyrene (PS) fiber mats incorporating iron (Fe) particles were fabricated by electrospinning and the hydrophobicity of the resulting magnetic fabrics was investigated with and without an applied magnetic field. The results show that the hydrophobicity (as measured using water droplet contact angle) increases in the presence of a magnetic field and the hysterisis in the advancing/receding contact angle (a measure of the stickiness of the surface) decreases in the presence of a magnetic field. It is also shown that the contact angle and hysterises increase with decreasing fiber diameter an

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10

Melki, Safi. "Etude du mouillage de structures fibreuses multi échelles : robustesse de l’hydrophobicité." Thesis, Mulhouse, 2014. http://www.theses.fr/2014MULH8863/document.

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Ces travaux ont pour but d’étudier le comportement au mouillage spontané (statique et dynamique) ainsi que le mouillage forcé, sous l’effet de la compression, de différentes structures textiles hydrophobes. Le mouillage forcé a permis d’évaluer la robustesse de l’hydrophobicité des structures textiles. En parallèle, un nouveau dispositif automatisé et plus approprié à l’étude du mouillage forcé a été mis au point. Les principaux résultats ont montré qu’une bonne hydrophobicité ne conduit pas forcément à une bonne robustesse : spontanément, la structure floquée est la seule à favoriser une conf

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11

Akhtar, Mst Alpona. "Hydrophobicity of Magnetite Coating on Low Carbon Steel." Thesis, University of North Texas, 2018. https://digital.library.unt.edu/ark:/67531/metadc1248389/.

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Superhydrophobic coatings (SHC) with excellent self-cleaning and corrosion resistance property is developed on magnetite coated AISI SAE 1020 steel by using a simple immersion method. Roughness measurement, scanning electron microscopy (SEM), atomic force microscopy (AFM), X-ray diffraction (XRD), contact angle measurement (CAM), energy dispersive spectroscopy (EDS), Fourier transform infrared spectroscopy (FTIR), potentiodynamic polarization test, electrochemical impedance spectroscopy (EIS), and qualitative characterization of self-cleaning behavior, antifouling property and durability of th

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SALASSI, SEBASTIAN. "Charge and hydrophobicity effects at nano-bio interfaces." Doctoral thesis, Università degli studi di Genova, 2020. http://hdl.handle.net/11567/999127.

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Gold nanoparticles coated with bio-compatible ligands are promising tools for biomedical applications due their water solubility, bio-compatibility and efficient light-to-heat conversion. In in vivo applications, nanoparticles come in contact with many biological molecules before being delivered to cells. The understanding of the physical and chemical nature of these different nano-bio interfaces is crucial to the rational design of nanoparticles with biomedical applications. The aim of this thesis is to understand, by molecular dynamics, how the composition, hydrophobicity and charge of the l

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13

Hayoun, Pascaline. "Partial wetting of thin liquid films in polymer tubes." Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066202/document.

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Les tubes polymères, de PDMS ou de PVC, sont des matériaux hydrophobes polyvalents et peu couteux. Ils sont très largement utilisés dans l'industrie pour transférer des fluides plus ou moins complexes tels que de l'eau potable, des émulsions (e.g lait), des suspensions (e.g café), ou encore des solutions de molécules actives (e.g médicament). La plupart de ces applications mettent en jeux des écoulements intermittents répétés de liquide qui peuvent contaminer le matériau. Cette étude a pour but de mieux comprendre comment ces écoulements de fluides complexes entraînent la contamination des tub

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14

Lamour, I. A. "Preparation and application of metal coatings with extreme hydrophobicity." Thesis, Queen's University Belfast, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.501304.

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15

Schmidt, Anette Skammelsen. "An investigation of the partition behaviour of proteins based on their physico-chemical properties in aqueous two-phase systems." Thesis, University of Reading, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239470.

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16

Cao, Liwen. "Effects of heat on the hydrophobicity of EPDM composite insulators." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0010/MQ52522.pdf.

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17

Hu, Yongan. "Influences of monomer hydrophobicity on secondary nucleation in emulsion polymerization." University of Akron / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=akron1555602067112746.

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18

Cao, Feishu. "Caractérisation de l'hydrophobie des polymères extracellulaires (PEC) extrait de biofilms : une étude basée sur la technique de la résine DAX-8." Thesis, Paris Est, 2017. http://www.theses.fr/2017PESC1048/document.

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Les propriétés hydrophobes des polymères extracellulaires (PEC) exercent l’influence profonde sur les propriétés de la surface cellulaire. Cependant, de nombreux facteurs tels que les méthodes d'extractions, le type de substrat influencent les caractéristiques des PEC et les informations concernant des caractéristiques hydrophobes sont rarement documentées. L'objectif principal de cette étude est de développer une méthode appropriée pour étudier l'hydrophobicité des PEC, puis d'étudier les caractéristiques hydrophobes des PEC.Le fractionnement hydrphobe par la résine Supelite™ DAX-8 a d'abord

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Pouzet, Martial. "Modification de l’énergie de surface du bois par fluoration." Thesis, Université Clermont Auvergne‎ (2017-2020), 2017. http://www.theses.fr/2017CLFAC086/document.

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La disponibilité, les aspects écologiques et économiques du bois sont autant d’avantages qui expliquent le large champ d’applications de ce matériau dans plusieurs domaines tels que la papeterie, l’ameublement, la menuiserie ou la construction. Cependant, le bois est un matériau hygroscopique très sensible aux variations d’humidité et de température ambiante. Le gonflement et le retrait causés par l’adsorption et la désorption de l’eau engendrent des fissures et des déformations dans le bois, le rendant incompatible avec certaines applications.Dans cette étude, une méthode originale a été appl

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20

Colafranceschi, Mauro. "Distribution of Hydrophobicity patterns in proteins primary structures: a statistical study." Doctoral thesis, La Sapienza, 2005. http://hdl.handle.net/11573/916823.

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21

Hillborg, Henrik. "Loss and recovery of hydrophobicity of polydimethylsiloxane after exposure to electrical discharges." Doctoral thesis, KTH, Polymer Technology, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3082.

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<p>Silicone rubber based on polydimethylsiloxane is used ashigh voltage outdoor insulation, due to its ability to preservethe hydrophobic surface properties during service and evenregain hydrophobicity after exposure to electrical discharges.The underlying processes for the hydrophobic recovery arediffusion of low molar mass siloxanes from the bulk to thesurface and reorientation by conformational changes ofmolecules in the surface region. Only little is known of whichfactors are responsible for the long-term stability of thishydrophobic recovery. It is therefore important to increase theknowl

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22

Liu, Qi. "The role of mineral surface composition and hydrophobicity in polysaccharide/mineral interactions." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/28861.

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The interactions of polysaccharides (dextrin, amylopectin and carboxymethyl cellulose (CMC)) with variously modified quartz samples were investigated using floatability, wettability, electrokinetic and adsorption tests, supplemented by conventional titration and infrared spectroscopic studies. The quartz samples were treated either by methylation (rendered hydrophobic), lead coating (introduction of metallic adsorption centres), or both forms of surface modification. The presence of metal ionic sites on a quartz surface played a decisive role in polysaccharide adsorption. The adsorption densi

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23

Acharya, Hari. "Hydrophobicity, heat transfer, and momentum transfer at hard and soft aqueous interfaces." Thesis, Rensselaer Polytechnic Institute, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=3600990.

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<p> Advancements in science and technology increasingly involve systems operating at the nanoscale. Interfaces are often present in these systems. Nanoscopic interfaces are ubiquitous in biological systems, nanofluidic devices, and integrated circuits. Properties at the interface may be quite different from the bulk, and in fact a true bulk may not be present in these systems. At the nanoscale the ratio of interface to volume is large, and the interface may have the dominant role in determining system behavior. Interfacial characteristics and their connection to interfacial properties are t

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McDonagh, James L. "Computing the aqueous solubility of organic drug-like molecules and understanding hydrophobicity." Thesis, University of St Andrews, 2015. http://hdl.handle.net/10023/6534.

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This thesis covers a range of methodologies to provide an account of the current (2010-2014) state of the art and to develop new methods for solubility prediction. We focus on predictions of intrinsic aqueous solubility, as this is a measure commonly used in many important industries including the pharmaceutical and agrochemical industries. These industries require fast and accurate methods, two objectives which are rarely complementary. We apply machine learning in chapters 4 and 5 suggesting methodologies to meet these objectives. In chapter 4 we look to combine machine learning, cheminforma

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Mao, Laiqun. "Application of Extended DLVO Theory: Modeling of Flotation and Hydrophobicity of Dodecane." Diss., Virginia Tech, 1998. http://hdl.handle.net/10919/29232.

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The extended DLVO theory was used to develop a flotation model by considering both hydrodynamic and surface forces involved in the process. A stream function was used to estimate the kinetic energies for thinning the water films between bubbles and particles, which were compared with the energy barriers, created by surface forces, to determine the probability of adhesion. A general expression for the probability of detachment was derived from similar mechanism for chemical reaction, and the kinetic energy for detachment was estimated with French and Wilson's model. The hydrophobic force par

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Yan, Liling. "Effects of surface topography on hydrophobicity of surfaces with spherical micro-protusions." Thesis, The University of Sydney, 2005. https://hdl.handle.net/2123/27892.

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The water repellency of a surface is principally governed by a combination of its chemical nature (i.e. surface energy) and topographical microstructure. The surface energy is an intrinsic property of a material that can be controlled by chemical modification, and other factors that can affect wettability, especially the surface topography were investigated. In particular, the study of topographical factors influencing the wettability of solid films is very important in View of production of surfaces with tailored properties and functions. The main objective of this research was to in

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Thompson, Troy David. "Remediation of Soil Hydrophobicity on a Coastal USGA Sand-Based Golf Green." DigitalCommons@CalPoly, 2010. https://digitalcommons.calpoly.edu/theses/303.

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Managing soil hydrophobicity caused by localized dry spots (LDS) on sand based golf greens has become one of the greatest challenges for golf course superintendents and managers, especially as water restrictions intensify. The purpose of this study was to evaluate the effectiveness of thirteen soil surfactants in eliminating LDS and in maximizing root zone soil moisture on a sand based USGA golf green located on the California Central Coast. Potential water repellency of air dried cores (measured utilizing the water droplet penetration time (WDPT) method), phytotoxicity, and climate were analy

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Jain, P. "Ionic liquids: hydrophobicity, enthalpic effects accompanying ionic interactions and their transport properties." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2017. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/4353.

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Jefferson, Bruce. "Mechanisms of particle capture in dissolved air flotation." Thesis, Loughborough University, 1997. https://dspace.lboro.ac.uk/2134/32107.

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The dissolved air flotation process experiences process stability problems that are attributed to a poor understanding of the fundamental mechanisms. A detailed review of the literature revealed that the mechanisms of flotation are fairly well understood in mineral flotation application but that the transfer of knowledge to water treatment application is poor, particularly regarding the differences between particle and floc flotation.

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Lemaître, Christelle. "Purification et caractérisation de protéines hydrophobes extraites du mucus épidermique de carpe (cyprinus carpio). Relations entre activités ionophores et antibactériennes." Rouen, 1996. http://www.theses.fr/1996ROUES056.

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Le rôle de défense contre les microorganismes a déjà été démontré parmi les nombreuses fonctions du mucus épidermique du poisson. En effet, les sécrétions épidermiques de la carpe (cyprinus carpio) contiennent des composés dont l'activité est comparable à celle des peptides de défense, connus chez les bactéries, les insectes, les amphibiens et les mammifères, actifs par la formation de pores dans les membranes cellulaires. Le mucus épidermique possède lui aussi la faculté de générer des canaux ioniques dans des bicouches lipidiques planes et les substances responsables de cette activité ionoph

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Akita, Emmanuel E. "Lipophilization of beta-lactoglobulin : effect on hydrophobicity, surface functional properties, digestibility and allergenicity." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/27789.

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In this research, beta-lactoglobulin was chemically modified by attaching different levels of stearic acid to the protein. The effect of this modification on hydrophobic!ty, emulsifying and foam properties, digestibility and allergenicity of the protein was investigated. It was found that the effect of fatty acid attachment or lipophilization depended on the amount of fatty acids attached to the protein. Incorporation of the hydrophobic ligands led to increased hydrophobic interactions, resulting in a decreasing solubility with extent of incorporation. Furthermore, the surface hydrophobicity

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Chen, Jiadong. "Shape and Hydrophobicity Effects of Titanium Dioxide Nanoparticles on Blood Plasma Protein Adsorption." University of Akron / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=akron1595977372164445.

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Yancey, Dennis Dwayne. "Controlling changes in cell surface hydrophobicity reduces mass transport limitations in Rhodococcus biotransformations /." May be available electronically:, 2007. http://proquest.umi.com/login?COPT=REJTPTU1MTUmSU5UPTAmVkVSPTI=&clientId=12498.

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Powell, Ashley Ann. "Bile acid biological activity in colon cancer cells: From hydrophobicity to gene activation." Diss., The University of Arizona, 2002. http://hdl.handle.net/10150/280045.

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Bile acids, known for millennia to play a role in health and disease, are currently being studied for their pivotal contribution to the development and possible prevention of colon cancer. Some bile acids have long been suspected to play a role in the development of colon cancer. Particularly, highly hydrophobic bile acids, such as deoxycholic acid (DCA), are known to promote the formation of colon tumors in animal models. However, one moderately hydrophobic bile acid, ursodeoxycholic acid (UDCA), has been shown to be a colon cancer chemopreventive agent, although its mechanism of action is un

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Rahimi, Kord Sofla Maryam. "High efficiency nanocellulose filters for diesel particulate matter with acetylation to improve hydrophobicity." Thesis, Queensland University of Technology, 2018. https://eprints.qut.edu.au/116886/3/Maryam%20Rahimi%20Kord%20Sofla%20Thesis.pdf.

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In spite of progressively tightening emissions standards, there is still significant concern that ultrafine particles are harming human health. Although ultrafine particles do not contribute much to the total mass of particulate matter emitted from the engine, they contribute greatly to the total number of particles. One of the most effective methods for removing diesel particulate matter is disposable diesel particulate filters. These filters are made from synthetic fibres such as fibreglass and polypropylene which are not environmentally friendly. Also, these kinds of filters have a short li

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Pezzotti, Simone. "DFT-MD simulations and theoretical SFG spectroscopy to characterize H-Bonded networks at aqueous interfaces : from hydrophobic to hydrophilic environments Structural definition of the BIL and DL: a new universal methodology to rationalize non-linear χ(2)(ω) SFG signals at charged interfaces, including χ(3)(ω) contributions What the Diffuse Layer (DL) Reveals in Non-Linear SFG Spectroscopy 2D H-Bond Network as the Topmost Skin to the Air-Water Interface Combining ab-initio and classical molecular dynamics simulations to unravel the structure of the 2D-HB-network at the air-water interface 2D-HB-Network at the air-water interface: A structural and dynamical characterization by means of ab initio and classical molecular dynamics simulations Spectroscopic BIL-SFG Invariance Hides the Chaotropic Effect of Protons at the Air-Water Interface Molecular hydrophobicity at a macroscopically hydrophilic surface Graph theory for automatic structural recognition in molecular dynamics simulations DFT-MD of the (110)-Co3O4 cobalt oxide semiconductor in contact with liquid water, preliminary chemical and physical insights into the electrochemical environment". Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLE008.

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Améliorer notre connaissance de la structure de l'eau dans l'environnement spécial offert par une interface est essentiel pour la compréhension de nombreux phénomènes naturels et applications technologiques. Pour révéler cette structure interfaciale de l'eau, des techniques capables de fournir des informations microscopiques, de manière sélective, pour cette couche interfaciale (BIL) sont nécessaires. Dans le présent travail de thèse, nous avons donc étudié les interfaces aqueuses au niveau moléculaire, en couplant la modélisation théorique à partir de simulations DFT-MD avec les spectroscopie

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Hayoun, Pascaline. "Partial wetting of thin liquid films in polymer tubes." Electronic Thesis or Diss., Paris 6, 2016. http://www.theses.fr/2016PA066202.

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Les tubes polymères, de PDMS ou de PVC, sont des matériaux hydrophobes polyvalents et peu couteux. Ils sont très largement utilisés dans l'industrie pour transférer des fluides plus ou moins complexes tels que de l'eau potable, des émulsions (e.g lait), des suspensions (e.g café), ou encore des solutions de molécules actives (e.g médicament). La plupart de ces applications mettent en jeux des écoulements intermittents répétés de liquide qui peuvent contaminer le matériau. Cette étude a pour but de mieux comprendre comment ces écoulements de fluides complexes entraînent la contamination des tub

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Shakeri, Fard Parvin. "Production and purification of biosurfactants and study of their influence on surface properties of stainless steel and Teflon." Thesis, Lille 1, 2010. http://www.theses.fr/2010LIL10006/document.

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Dans cette étude, un ensemble de molécules biosurfactantes a été choisi en fonction de leur diversité structurale et leur aptitude à être produites dans des procédés industriels. Cet ensemble contient des membres des trois familles de composés lipopeptidiques produits par des souches de Bacillus subtilis comprenant la surfactine S1, l’iturine A et la mycosubtiline (deux membres de la famille des iturines) et la fengycine, ainsi que des rhamnolipides produits par Pseudomonas aeruginosa PTCC 1637. Après purification et/ou caractérisation par plusieurs méthodes analytiques, ces composés ont été é

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Radulovic, Jovana. "Experimental and theoretical investigation of the interfacial phenomenon associated with wetting of trisiloxane surfactant solutions." Thesis, University of Edinburgh, 2010. http://hdl.handle.net/1842/4710.

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Surface active agents have been successfully employed in numerous industrial, agricultural and biomedical applications for decades. Trisiloxane surfactants in particular have proved to be exceptionally effective as wetting enhancers; hence the name ‘superspreaders’. Since the early ‘90s these extraordinary surfactants have become an irreplaceable component in various products and processes. However, the true nature of their specific wetting behaviour has not been fully revealed and their underlying wetting mechanisms are still poorly understood despite substantial scientific interest during th

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Hobden, Carole Lesley. "A study of the cell surface properties of Candida albicans." Thesis, University of Essex, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.295552.

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Elliott, Craig Julian. "Analysis and prediction of protein structure." Thesis, University of York, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284165.

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Patel, Mayank Mukesh. "Spermine-nucleic acid interactions : roles of hydrophobicity, polynucleotide sequence-dependence and nature of polynucleotide /." Connect to full text via ProQuest. IP filtered, 2006.

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Thesis (Ph.D. in Pharmaceutical Sciences) -- University of Colorado at Denver and Health Sciences Center, 2006.<br>Typescript. Includes bibliographical references (leaves 130-149, 177-182). Free to UCDHSC affiliates. Online version available via ProQuest Digital Dissertations;

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Doerr, S. H. "Soil hydrophobicity in wet Mediterranean pine and eucalyptus forests, Agueda Basin, north-central Portugal." Thesis, Swansea University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.636454.

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This thesis investigates soil hydrophobicity in a comparatively wet (>1500 mm/yr) mediterranean environment focusing on unburnt and burnt commercial <I>Eucalyptus globulus</I> and <I>Pins pinaster</I> forests in north-central Portugal. Principal aims were to assess (i) its severity and spatial and vertical variability, (ii) the impact of fire, (iii) variations between soil particle size fractions and (iv) the causal factors and mechanisms involved. Hydrophobicity in all forest types was found to be amongst the most severe reported in the literature (MED 24%, WDPT >1h). Findings differ from mos

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Werner, Marco, Jens-Uwe Sommer, and Vladimir A. Baulin. "Homo-polymers with balanced hydrophobicity translocate through lipid bilayers and enhance local solvent permeability." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-139304.

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Recent experimental studies indicate that polymeric structures with a well-adjusted balance of amphiphilic parts may translocate through self-assembled phospholipid bilayers and enhance the passive trans-membrane transport of smaller molecules. Using a coarse grained lattice Monte Carlo model with explicit solvent we investigate self-assembled lipid bilayers interacting with a linear polymer chain under variation of the hydrophobicity of the chain. Here, we focus on the relationship between the chain's hydrophobicity and its translocation behavior through the membrane as well as induced membra

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Al-Marhoon, Mohammed Salem Ahmed. "The relationship between CagA Helicobacter pylori, gastric mucus gel thickness, hydrophobicity and gastric cancer." Thesis, University of Leeds, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.396542.

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Backéus, Anders. "Tribological behaviour of nano-composite UHMWPE on ski surfaces and the role of hydrophobicity." Thesis, Uppsala universitet, Tillämpad materialvetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-244163.

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Ultra High Molecular Weight Polyethylene (UHMWPE) has been used as a ski sole material for many years due to its good tribological properties, good wear resistance and low friction coefficient. Recent studies have showed improved performance on wear rate and hydrophobicity with nanoparticle reinforced UHMWPE. In this study, different kinds of nano-composite UHMWPE’s were tested on snow to investigate if they are suitable as a ski sole material and to find the type of nano-composite UHMWPE that has the greatest potential. Further, the mechanisms of hydrophobicity and its influence on the fricti

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Werner, Marco, Jens-Uwe Sommer, and Vladimir A. Baulin. "Homo-polymers with balanced hydrophobicity translocate through lipid bilayers and enhance local solvent permeability." Royal Society of Chemistry, 2012. https://tud.qucosa.de/id/qucosa%3A27821.

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Recent experimental studies indicate that polymeric structures with a well-adjusted balance of amphiphilic parts may translocate through self-assembled phospholipid bilayers and enhance the passive trans-membrane transport of smaller molecules. Using a coarse grained lattice Monte Carlo model with explicit solvent we investigate self-assembled lipid bilayers interacting with a linear polymer chain under variation of the hydrophobicity of the chain. Here, we focus on the relationship between the chain's hydrophobicity and its translocation behavior through the membrane as well as induced membra

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Vessigaud, Sandrine. "Re-mobilisation des hydrocarbures aromatiques polycycliques de terres industrielles de cokerie et mécanismes impliqués dans le "vieillissement" du fluoranthène." Phd thesis, Institut National Polytechnique de Lorraine - INPL, 2007. http://tel.archives-ouvertes.fr/tel-00339421.

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Les HAP font partie de la classe des polluants organiques persistants dans les sols. Dans le cadre de la réhabilitation d'anciennes friches industrielles, il est nécessaire de comprendre l'origine de leur forte rétention et de connaître leurs possibilités de re-mobilisation à l'eau. Pour cela, une évaluation du potentiel de re-mobilisation à l'eau de matrices industrielles polluées a été réalisée sur 6 mois à l'aide de réacteurs fermés dont la solution est renouvelée mensuellement. Des expériences d'adsorption/désorption du 14C-fluoranthène sur ces mêmes matrices ainsi que sur une terre agrico

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Ekeroth, Sebastian. "Study of protein adsorption on structured surfaces using ellipsometry." Thesis, Linköpings universitet, Institutionen för fysik, kemi och biologi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-72165.

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In order to measure the thickness of a protein layer on a structured surface of silicon rubber, we have used ellipsometry and Fourier transform infrared (FTIR)-spectroscopy. The aim was to determine whether this type of measurement method can be used on protein layers or not. By hot-embossing a specific pattern of micrometre-sized pillars was created on the surface of the silicon rubber, which then was exposed to a phosphate buffer solution (PBS) containing human serum albumin (HSA) protein. FTIR measurements confirmed that proteins had attached to the surface. Ellipsometric studies were made

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Dominic, Justin. "Experimental Study of Wall Shear Stress Modification by Surface Coating: Pressure Drop Measurements in a Rectangular Channel." Thesis, Virginia Tech, 2011. http://hdl.handle.net/10919/76796.

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Presented in this paper are experiments to test the hypothesis that drag reduction is possible over hydrophobic surfaces in the Wenzel state during laminar and turbulent flows. Quantification of surface drag reduction in rectangular channel flow over walls with specific hydrophobic or hydrophilic properties was obtained with pressure drop measurements along the channel for a range of Reynolds numbers between 350 and 5900. Several commercially available materials and coatings were chosen in order to span a range of contact angles between 30° and 135°. The results are within the bounds of the

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