Academic literature on the topic 'Physico-Chemistry of interfaces'
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Journal articles on the topic "Physico-Chemistry of interfaces"
Bouix, J., M. P. Berthet, F. Bosselet, R. Favre, M. Peronnet, O. Rapaud, J. C. Viala, C. Vincent, and H. Vincent. "Physico-chemistry of interfaces in inorganic-matrix composites." Composites Science and Technology 61, no. 3 (February 2001): 355–62. http://dx.doi.org/10.1016/s0266-3538(00)00107-x.
Full textCarniello, Vera, Brandon W. Peterson, Henny C. van der Mei, and Henk J. Busscher. "Physico-chemistry from initial bacterial adhesion to surface-programmed biofilm growth." Advances in Colloid and Interface Science 261 (November 2018): 1–14. http://dx.doi.org/10.1016/j.cis.2018.10.005.
Full textEudier, Florine, Géraldine Savary, Michel Grisel, and Céline Picard. "Skin surface physico-chemistry: Characteristics, methods of measurement, influencing factors and future developments." Advances in Colloid and Interface Science 264 (February 2019): 11–27. http://dx.doi.org/10.1016/j.cis.2018.12.002.
Full textGravis, D., S. Moisan, and F. Poncin-Epaillard. "Characterization of surface physico-chemistry and morphology of plasma-sized carbon fiber." Thin Solid Films 721 (March 2021): 138555. http://dx.doi.org/10.1016/j.tsf.2021.138555.
Full textMéndez-Vilas, A., A. M. Gallardo-Moreno, R. Calzado-Montero, and M. L. González-Martín. "AFM probing in aqueous environment of Staphylococcus epidermidis cells naturally immobilised on glass: Physico-chemistry behind the successful immobilisation." Colloids and Surfaces B: Biointerfaces 63, no. 1 (May 2008): 101–9. http://dx.doi.org/10.1016/j.colsurfb.2007.11.011.
Full textCirisano, Francesca, and Michele Ferrari. "Sustainable Materials for Liquid Repellent Coatings." Coatings 11, no. 12 (December 7, 2021): 1508. http://dx.doi.org/10.3390/coatings11121508.
Full textJohansson, Petter, Andreas Carlson, and Berk Hess. "Water–substrate physico-chemistry in wetting dynamics." Journal of Fluid Mechanics 781 (September 28, 2015): 695–711. http://dx.doi.org/10.1017/jfm.2015.517.
Full textBaghernejad, Masoud, and Felix Pfeiffer. "Interfacial Chemistry of Thiophene As an Effective Film-Forming Additive on High Voltage Cathode Revealed By Operando Raman Spectroscopy." ECS Meeting Abstracts MA2022-01, no. 2 (July 7, 2022): 370. http://dx.doi.org/10.1149/ma2022-012370mtgabs.
Full textPersson, Ingmar, Josephina Werner, Olle Björneholm, Yina Salamanca Blanco, Önder Topel, and Éva G. Bajnóczi. "Solution chemistry in the surface region of aqueous solutions." Pure and Applied Chemistry 92, no. 10 (October 25, 2020): 1553–61. http://dx.doi.org/10.1515/pac-2019-1106.
Full textTran, L. Q. N., X. W. Yuan, D. Bhattacharyya, C. Fuentes, A. W. Van Vuure, and I. Verpoest. "Fiber-matrix interfacial adhesion in natural fiber composites." International Journal of Modern Physics B 29, no. 10n11 (April 23, 2015): 1540018. http://dx.doi.org/10.1142/s0217979215400184.
Full textDissertations / Theses on the topic "Physico-Chemistry of interfaces"
Crestel, Erwan. "Déplacement de liquides par osmose étudié en microfluidique : application à la récupération du pétrole." Thesis, Paris Sciences et Lettres (ComUE), 2019. http://www.theses.fr/2019PSLET005.
Full textEnhanced Oil Recovery (EOR) gathers various techniques to increase the efficiency of crude oil extraction. Among them, the Low-Salinity Waterflooding (LSW) has been used for more than 20 years and has demonstrated an additional efficiency of 5 to 20%. One of the hypotheses explaining this phenomenon rests on osmosis, which is a diffusion mechanism of a solvent through a semi-permeable membrane in order to balance chemical potential on both sides. During this thesis, experimental systems were developed in order to highlight the water flux through an oily membrane when subjected to a gradient of chemical potential. A first device consists of a sealed glass capillary where an oil meniscus separates two water reservoirs with a different solute concentrations. The meniscus movement is monitored over time, allowing to quantify the flow of water through the meniscus. This simple configuration gave us the opportunity to study differents kinds of and to modify the solute concentration in the aqueous phases or the temperature. More complex formulations with typical petroleum compounds such as asphaltenes or surfactants have also been explored, highlighting other water transport phenomena with an impact on the movement speed of the oil. Among other things, we observed the nucleation of drops of water in the organic phase which are then self-propelled under the effect of the chemical potential gradient. This device also made possible to quantify the flow of water through crude oils supplied by Total. In order to get closer to a real system, we developed a microfluidic device to model a porous medium. This system is composed of microcavities containing brine and separated from a low salinity reservoir with a thin oil layer. Thus, we have been able to determine the breaking times of these oil pockets inflated by osmotic pressure according to different parameters (oil volume, salinity of the immersed water and brine) but also to study the influence of the wetting properties on the mechanisms for expelling the oil
Charlier, Julienne. "La liaison organique-métal, pourquoi, comment ?" Habilitation à diriger des recherches, Université Pierre et Marie Curie - Paris VI, 2003. http://tel.archives-ouvertes.fr/tel-00004276.
Full textHilaire, Lolita. "Modélisation de la coalescence : connecter les échelles (de l'approche déterministe à l'approche stochastique)." Thesis, Université de Montpellier (2022-….), 2022. http://www.theses.fr/2022UMONS002.
Full textCoalescence plays a fundamental role in many industrial processes such as liquid-liquid extraction. It is a complex multi-scale phenomenon that relies on the interaction between deformable droplets that might be subjected to a flow. Understanding the phenomena involved in liquid-liquid extraction is necessary for the development and the optimization of treatment and recycling processes in the nuclear industry. However, the coalescence process remains poorly understood, especially at the nanoscale. In this thesis, coalescence is studied at the molecular scale by means of molecular dynamics simulations in order to connect the different scales. To that aim, several axes of work are developed.The first axis deals with the interaction between an AFM tip and a liquid film deposited on a substrate. This is a simple case compared to the liquid-liquid coalescence because one of the droplets (the AFM tip) is rigid, and the intermediate medium is gaseous. The results show that the surface fluctuations cause an instability of the interface deformation and are responsible of the jump-to-contact phenomenon in which the liquid enters in contact with the tip. Our results, on an experimentally observable system, have confirmed the validity and the limitations of continuous models. These models do not account for fluctuations, for the description of phenomena at the interfaces observed in AFM, but more generally for coalescence.The second axis concerns the study of the drainage of the interfacial film. An original approach is proposed, in which planar layers of water and heptane are constructed and stacked under periodic conditions. The two liquids are subjected to flows in opposite directions. The velocity profiles obtained in the molecular dynamics simulations are used to assess the effective viscosity of films confined between two liquid phases and to study the slip at the interfaces. Our results show that there is a significant slip at the liquid-liquid interface. The values of the slip lengths are related to the respective viscosities of the two liquids. This slip located at the liquid-liquid interfaces plays an important role during coalescence since it accelerates the film drainage.Finally, we study the stochastic effects controlling the formation of the liquid bridge through a series of simulations of coalescence of heptane drops in water. The simulation box is the same in each case, but a random perturbation is introduced by the Lyapunov instability, allowing the obtention of a set of closely related initial states having divergent trajectories. From this series of simulations we have established that the probability of coalescence as a function of time follows a Poisson distribution.In summary, we have proposed an original description of coalescence at the molecular scale using a probabilistic model describing the coalescence time and a hydrodynamic model describing the drainage at the molecular scale. Our study opens many perspectives for the simulation of coalescence in continuous approaches used in fluid mechanics and chemical engineering. It is also applicable to other physical problems whose kinetics are governed by the molecular scale
Hilaire, Lolita. "Modélisation de la coalescence : connecter les échelles (de l'approche déterministe à l'approche stochastique)." Thesis, Montpellier, 2022. http://www.theses.fr/2022MONTS002.
Full textCoalescence plays a fundamental role in many industrial processes such as liquid-liquid extraction. It is a complex multi-scale phenomenon that relies on the interaction between deformable droplets that might be subjected to a flow. Understanding the phenomena involved in liquid-liquid extraction is necessary for the development and the optimization of treatment and recycling processes in the nuclear industry. However, the coalescence process remains poorly understood, especially at the nanoscale. In this thesis, coalescence is studied at the molecular scale by means of molecular dynamics simulations in order to connect the different scales. To that aim, several axes of work are developed.The first axis deals with the interaction between an AFM tip and a liquid film deposited on a substrate. This is a simple case compared to the liquid-liquid coalescence because one of the droplets (the AFM tip) is rigid, and the intermediate medium is gaseous. The results show that the surface fluctuations cause an instability of the interface deformation and are responsible of the jump-to-contact phenomenon in which the liquid enters in contact with the tip. Our results, on an experimentally observable system, have confirmed the validity and the limitations of continuous models. These models do not account for fluctuations, for the description of phenomena at the interfaces observed in AFM, but more generally for coalescence.The second axis concerns the study of the drainage of the interfacial film. An original approach is proposed, in which planar layers of water and heptane are constructed and stacked under periodic conditions. The two liquids are subjected to flows in opposite directions. The velocity profiles obtained in the molecular dynamics simulations are used to assess the effective viscosity of films confined between two liquid phases and to study the slip at the interfaces. Our results show that there is a significant slip at the liquid-liquid interface. The values of the slip lengths are related to the respective viscosities of the two liquids. This slip located at the liquid-liquid interfaces plays an important role during coalescence since it accelerates the film drainage.Finally, we study the stochastic effects controlling the formation of the liquid bridge through a series of simulations of coalescence of heptane drops in water. The simulation box is the same in each case, but a random perturbation is introduced by the Lyapunov instability, allowing the obtention of a set of closely related initial states having divergent trajectories. From this series of simulations we have established that the probability of coalescence as a function of time follows a Poisson distribution.In summary, we have proposed an original description of coalescence at the molecular scale using a probabilistic model describing the coalescence time and a hydrodynamic model describing the drainage at the molecular scale. Our study opens many perspectives for the simulation of coalescence in continuous approaches used in fluid mechanics and chemical engineering. It is also applicable to other physical problems whose kinetics are governed by the molecular scale
Bernardi, Sarah. "Surfaces polymères antibactériennes à base de polyionènes : synthèses et études aux interfaces en physico-chimie et biologie." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASF034.
Full textBacterial contamination of surfaces is one of the most pressing concerns for the medical and the food industries. In order to act prior to the biofilm formation, we chose a preemptive strategy by creating contact-bioactive surfaces to inhibit bacteria without releasing bioactive agents. The main objective of this thesis is to prepare such surfaces by covalently grafting polyionenes (PI) and to study their biological characteristics, as well as the influence of the polymer structure on these properties.PI possess both powerful and versatile antimicrobial properties, which can be controlled by fine-tuning the charges/hydrophobic spacers ratio. A range of PI was synthesized by varying both the length and the nature of the spacers (aliphatic and ether), as well as the molecular weight, in order to evaluate the impact of these parameters on antibacterial activity and cytotoxicity. The aliphatic series was found to be more bacteriostatic, with an efficiency gradient that increases with the length of the aliphatic spacer.The aliphatic PI were then covalently grafted onto glass surfaces and silicon wafers using a sequential procedure combining polydopamine coating, diazonium salts induced polymerization and surface polyaddition. The chemical steps were characterized in detail via various surface analysis techniques (XPS, energy and zeta potential measurements). Antibacterial properties of the grafted surfaces were then evaluated by adhesion tests (total flora observations and enumerations of viable cultivable flora). PI-grafted surfaces were shown to display effective and versatile antibacterial properties, associated with a pro-adhesive effect. Cytotoxicity tests also demonstrated the absence of release and the non-toxicity of these materials. X-ray and neutron reflectivity experiments were performed on PI grafted chains to determine the thickness of polymers layers and to establish a link between the chains conformation and their mechanism of action towards bacteria.During this thesis, three procedures were developed to covalently functionalize polyethylene (PE) surfaces, the main component of food packaging. Firstly, PI were grafted onto PE with a chemical process similar to the one performed on glass. Secondly, a PI based ink was prepared to functionalize the PE film with an ink-jet printing process. Lastly, in order to develop a more industrializable process, PI were incorporated in bulk during the extrusion of PE films. For each procedure, we evaluated the possibility of their applications by characterizing their antimicrobial and cytotoxicity properties
Books on the topic "Physico-Chemistry of interfaces"
Physico-chemistry of solid-gas interfaces: Concepts and methodology for gas sensors development. Hoboken, NJ: Wiley, 2008.
Find full textLalauze, Rene. Physico-Chemistry of Solid-Gas Interfaces. Wiley & Sons, Incorporated, John, 2010.
Find full textLalauze, Rene. Physico-Chemistry of Solid-Gas Interfaces: Concepts and Methodology for Gas Sensor Development. Wiley & Sons, Incorporated, John, 2013.
Find full textLalauze, Rene. Physico-Chemistry of Solid-Gas Interfaces: Concepts and Methodology for Gas Sensor Development. Wiley & Sons, Incorporated, John, 2013.
Find full textLalauze, Rene. Physico-Chemistry of Solid-Gas Interfaces: Concepts and Methodology for Gas Sensor Development. Wiley & Sons, Incorporated, John, 2010.
Find full textConference papers on the topic "Physico-Chemistry of interfaces"
Shokri, Babak, and Maziar S. Yaghmaee. "Physico chemical aspects of extreme reactivity of metallic nano-particles." In Physical Chemistry of Interfaces and Nanomaterials VII. SPIE, 2008. http://dx.doi.org/10.1117/12.799984.
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