Thematische Bibliographien / Biphasic metal

Auswahl der wissenschaftlichen Literatur zum Thema „Biphasic metal“

Autor: Grafiati

Veröffentlicht am 7. Juli 2024

Zuletzt aktualisiert am 7. Juli 2024

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Zeitschriftenartikel zum Thema "Biphasic metal"

Hirsch, Arthur, Hadrien O. Michaud, Aaron P. Gerratt, Séverine de Mulatier und Stéphanie P. Lacour. „Biphasic Metal Films: Intrinsically Stretchable Biphasic (Solid-Liquid) Thin Metal Films (Adv. Mater. 22/2016)“. Advanced Materials 28, Nr. 22 (Juni 2016): 4506. http://dx.doi.org/10.1002/adma.201670153.

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Lopez-Perez, Manuel J. „Aqueous biphasic separations biomolecules to metal ions“. Journal of Chromatography A 742, Nr. 1-2 (August 1996): 299. http://dx.doi.org/10.1016/0021-9673(96)00427-x.

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Hirsch, Arthur, Hadrien O. Michaud, Aaron P. Gerratt, Séverine de Mulatier und Stéphanie P. Lacour. „Intrinsically Stretchable Biphasic (Solid-Liquid) Thin Metal Films“. Advanced Materials 28, Nr. 22 (29.02.2016): 4507–12. http://dx.doi.org/10.1002/adma.201506234.

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Karmakar, Rajib, und Kamalika Sen. „Aqueous biphasic extraction of metal ions: An alternative technology for metal regeneration“. Journal of Molecular Liquids 273 (Januar 2019): 231–47. http://dx.doi.org/10.1016/j.molliq.2018.10.036.

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David, Romain, und Norihisa Miki. „Synthesis of sub-micrometer biphasic Au–AuGa2/liquid metal frameworks“. Nanoscale 11, Nr. 44 (2019): 21419–32. http://dx.doi.org/10.1039/c9nr05551g.

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Won, Eun-Seo, und Jong-Won Lee. „Biphasic Solid Electrolytes with Homogeneous Li-Ion Transport Pathway Enabled By Metal-Organic Frameworks“. ECS Meeting Abstracts MA2022-01, Nr. 55 (07.07.2022): 2248. http://dx.doi.org/10.1149/ma2022-01552248mtgabs.

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Solid-state batteries based on nonflammable inorganic solid electrolytes provide a promising technical solution that can resolve the safety issues of current lithium-ion batteries. Biphasic solid electrolytes comprising Li7La3Zr2O12 (LLZO) garnet and polymer have been attracting significant interest for solid-state Li batteries because of their mechanical robustness and enhanced Li+ conductivity, compared to conventional polymer electrolytes. Furthermore, the hybridization allows for the fabrication of thin and large-area electrolyte membranes without the need for high-temperature sintering of LLZO. However, the non-uniform distribution of LLZO particles and polymer species in biphasic electrolytes may cause uneven Li+ conduction, which results in poor interfacial stability with electrodes during repeated charge–discharge cycling. In this study, we report a biphasic solid electrolyte with homogeneous Li+ transport pathway achieved by a metal–organic framework (MOF) layer. To regulate and homogenize the Li+ flux across the interface between the electrolyte and electrode, a free-standing, biphasic solid electrolyte membrane is integrated with the MOF nanoparticle layer. A mixture of plastic crystal (PC) and polymeric phase is infused into porous networks of the MOF-integrated electrolyte membrane, producing the percolating Li+ conduction pathways. The MOF-integrated electrolyte membrane is found to form the smooth and uniform interface with nanoporous channels in contact with the electrodes, effectively facilitating homogeneous Li+ transport. A solid-state battery with the MOF-integrated electrolyte membrane shows the enhanced rate-capability and cycling stability in comparison to the battery with the unmodified biphasic electrolyte. This study demonstrates that the proposed electrolyte design provides an effective approach to improving the interfacial stability of biphasic electrolytes with electrodes for long-cycling solid-state batteries. [1] H.-S. Shin, W. Jeong, M.-H. Ryu, S.W. Lee, K.-N. Jung, J.-W. Lee, Electrode-to-electrode monolithic integration for high-voltage bipolar solid-state batteries based on plastic-crystal polymer electrolyte, Chem. Eng. J, published online. [2] T. Jiang, P. He, G. Wang, Y. Shen, C.-W. Nan, L.-Z. Fan, Solvent-free synthesis of thin, flexible, nonflammable garnet-based composite solid electrolyte for all-solid-state lithium batteries, Adv. Energy Mater. 10 (2020) 1903376.

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GRUSHIN, V., und H. ALPER. „ChemInform Abstract: Recent Developments in Metal-Catalyzed Biphasic Reactions“. ChemInform 27, Nr. 22 (05.08.2010): no. http://dx.doi.org/10.1002/chin.199622249.

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Sinoimeri, Eris, Victor Maia Fernandes, Jérôme Cognard, Jorge Fernando Brandão Pereira, Lenka Svecova, Ismaël Guillotte und Isabelle Billard. „Uncommon biphasic behaviour induced by very high metal ion concentrations in HCl/H2O/[P44414]Cl and HCl/H2O/PEG-600 systems“. Physical Chemistry Chemical Physics 22, Nr. 40 (2020): 23226–36. http://dx.doi.org/10.1039/d0cp03689g.

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Large amounts of Fe(iii) or Fe(ii) strongly modify the biphasic behavior of the system P₄₄₄₁₄Cl/HCl/H₂O while large amounts of Fe(iii) induce a biphasic regime for the mixture PEG-600/HCl/H₂O.

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Depuydt, Daphne, Arne Van den Bossche, Wim Dehaen und Koen Binnemans. „Metal extraction with a short-chain imidazolium nitrate ionic liquid“. Chemical Communications 53, Nr. 38 (2017): 5271–74. http://dx.doi.org/10.1039/c7cc01685a.

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The ionic liquid 1,3-dihexylimidazolium nitrate shows temperature-dependent phase behavior of the UCST-type. The biphasic system efficiently separates rare earths from 1st row transition metals, relevant for recycling of batteries (La/Ni) and permanent magnets (Sm/Co).

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El-Hosainy, Hamza, Said El-Sheikh, Adel Ismail, Amer Hakki, Ralf Dillert, Hamada Killa, Ibrahim Ibrahim und Detelf Bahnemann. „Highly Selective Photocatalytic Reduction of o-Dinitrobenzene to o-Phenylenediamine over Non-Metal-Doped TiO2 under Simulated Solar Light Irradiation“. Catalysts 8, Nr. 12 (09.12.2018): 641. http://dx.doi.org/10.3390/catal8120641.

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Photocatalytic reduction and hydrogenation reaction of o-dinitrobenzene in the presence of oxalic acid over anatase-brookite biphasic TiO2 and non-metal-doped anatase-brookite biphasic TiO2 photocatalysts under solar simulated light was investigated. Compared with commercial P25 TiO2, the prepared un-doped and doped anatase-brookite biphasic TiO2 exhibited a high selectivity towards the formation of o-nitroaniline (85.5%) and o-phenylenediamine ~97%, respectively. The doped anatase-brookite biphasic TiO2 has promoted photocatalytic reduction of the two-nitro groups of o-dinitrobenzene to the corresponding o-phenylenediamine with very high yield ~97%. Electron paramagnetic resonance analysis, Transient Absorption Spectroscopy (TAS) and Photoluminescence analysis (PL) were performed to determine the distribution of defects and the fluorescence lifetime of the charge carriers for un-doped and doped photocatalysts. The superiority of the doped TiO2 photocatalysts is accredited to the creation of new dopants (C, N, and S) as hole traps, the formation of long-lived Ti3+ defects which leads to an increase in the fluorescence lifetime of the formed charge carriers. The schematic diagram of the photocatalytic reduction of o-dinitrobenzene using the doped TiO2 under solar light was also illustrated in detail.

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Dissertationen zum Thema "Biphasic metal"

Manda, Krishnagoud. „Finite Element Simulations of Biphasic Articular Cartilages With Localized Metal Implants“. Licentiate thesis, KTH, Strukturmekanik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-26381.

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Articular cartilage is a specialized connective soft tissue that resides onthe ends of long-bones, transfers the load smoothly between the bones in diarthrodialjoints by providing almost frictionless, wear resistant sliding surfacesduring joint articulation. Focal chondral or osteochondral defects in articularcartilage are common and show limited capacity for biological repair. Furthermore,changes in the bio-mechanical forces at the defect site may makethe tissue more susceptible to continued degeneration. Alternatively, the contouredfocal resurfacing metal implant can be used to treat such full thicknesscartilage defects. Physiological and biomechanical studies on animal modelswith metal implant have shown good clinical outcomes. However, the mechanicalbehavior of cartilage surrounding the implant is not clearly known withrespect to the joint function after treating such defects with metal implantsand also to improve the implant design. We developed a simple 3-dimensionalfinite element model by approximating one of the condyles of the sheep kneejoint. Parametric study was conducted in the simulations to verify differentprofiles for the implant, positioning of the implant with respect to cartilagesurface, defect size and to show the mechanical sealing effect due to the wedgeshape of the implant. We found the maximal deformations, contact pressuresand stresses which constitute the mechanical behavior of cartilages. We alsoconfirmed that using a metal implant to fill the full thickness chondral defectsis more beneficial than to leave the defect untreated from mechanical point ofview. The implant should be positioned slightly sunk into the cartilage basedon the defect size, in order to avoid damage to the opposing surface. The largerthe defect size, the closer the implant should be to the flush. We also simulatedthe time dependent behavior of the cartilages. In all the simulations, a staticaxial loading was considered. The wedge shape of the implant provided themechanical sealing of the cartilage surrounding the implant. The determineddeformations in the cartilages immediately surrounding the implant are instrumentalin predicting the sticking-up of the implant into the joint cavity whichmay damage opposing soft tissues.
QC 20101125

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Jagtap, S. V. „Studies in heck reaction using transition metal catalysts in biphasic medium“. Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2007. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2573.

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Tian, Jianhua. „Syntheses and applications of soluble polyisobutylene (PIB)-supported transition metal catalysts“. [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-3129.

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Ahmed, Ejaz, und Michael Ruck. „Chemistry of polynuclear transition-metal complexes in ionic liquids“. Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-138716.

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Transition-metal chemistry in ionic liquids (IL) has achieved intrinsic fascination in the last few years. The use of an IL as environmental friendly solvent, offers many advantages over traditional materials synthesis methods. The change from molecular to ionic reaction media leads to new types of materials being accessible. Room-temperature IL have been found to be excellent media for stabilising transition-metal clusters in solution and to crystallise homo- and heteronuclear transition-metal complexes and clusters. Furthermore, the use of IL as solvent provides the option to replace high-temperature routes, such as crystallisation from the melt or gas-phase deposition, by convenient room- or low-temperature syntheses. Inorganic IL composed of alkali metal cations and polynuclear transition-metal cluster anions are also known. Each of these areas will be discussed briefly in this contribution
Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich

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Ahmed, Ejaz, und Michael Ruck. „Chemistry of polynuclear transition-metal complexes in ionic liquids“. Royal Society of Chemistry, 2011. https://tud.qucosa.de/id/qucosa%3A27774.

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Transition-metal chemistry in ionic liquids (IL) has achieved intrinsic fascination in the last few years. The use of an IL as environmental friendly solvent, offers many advantages over traditional materials synthesis methods. The change from molecular to ionic reaction media leads to new types of materials being accessible. Room-temperature IL have been found to be excellent media for stabilising transition-metal clusters in solution and to crystallise homo- and heteronuclear transition-metal complexes and clusters. Furthermore, the use of IL as solvent provides the option to replace high-temperature routes, such as crystallisation from the melt or gas-phase deposition, by convenient room- or low-temperature syntheses. Inorganic IL composed of alkali metal cations and polynuclear transition-metal cluster anions are also known. Each of these areas will be discussed briefly in this contribution.
Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.

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Escárcega, Bobadilla Martha Verónica. „Organometallic compounds and metal nanoparticles as catalysts in low environmental impact solvents“. Doctoral thesis, Universitat Rovira i Virgili, 2011. http://hdl.handle.net/10803/9114.

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Durant les darreres dècades, el disseny de processos en el marc de la química sostenible ha anat creixent de forma exponencial. La recerca constant de processos mes benignes amb el medi ambient ha implicat un gran esforç per obtenir millors rendiments mitjançant l'activació de llocs específics, i possant especial èmfasi amb el control de la quimio-, la regio- i la enantioselectivitat, punts crucials per a l'economia atómica. En aquest sentit, els dissolvents juguen un paper crític, i com podrà veure's al llarg d'aquesta memòria..
Aquesta Tesi s'enfoca en l'ús de mitjans de reacció alternatius i sostenibles, com són els líquids iònics (ILs), el diòxid de carboni supercrític (scCO2) i la barreja de ambdós dissolvents, amb l'objectiu de disminuir l'ús de dissolvents orgànics convencionals i la seva aplicació en els següents processos catalítics: hidrogenació asimètrica, reacció de Suzuki d'acoblament creuat C-C, reacció d'alquilació al·lílica asimètrica i la hidrogenació de arens.
In the last decades, the design of processes in the framework of the sustainable chemistry has been exponentially growing. The constant searching of cleaner processes has led to a lot of effort to obtain higher yields by activation of specific sites, and improving chemo-, regio- and enantio-selectivities, which are crucial from a point of view of an atom economy strategy. In this sense, solvents play a critical role.
This PhD thesis focuses on the use of alternative sustainable reaction media such as ionic liquids (ILs), supercritical carbon dioxide (scCO2) and mixtures of both solvents in different catalytic processes, with the aim of decreasing the use of conventional organic solvents applied in the following catalytic reactions: homogeneous and supported rhodium catalysed asymmetric hydrogenation, biphasic palladium catalysed Suzuki C-C cross-coupling, homogeneous palladium catalysed asymmetric allylic alkylation, and ruthenium and rhodium nanoparticles catalysed arene hydrogenation were tested.

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Zhang, Teng. „Elaboration and characterization of functionalized hybrid carbon fiber reinforced composites (CFRCs) for innovative applications“. Electronic Thesis or Diss., Bourgogne Franche-Comté, 2024. http://www.theses.fr/2024UBFCA005.

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Les besoins d’allègement de poids dans le transport principalement en vue d’une réduction des émissions des gaz à effet de serre placent les composites à renfort de fibres de carbone (CFRC) comme matériaux potentiels. La fonctionnalisation de ces matériaux leur confèrerait une valeur ajoutée et de nouvelles perspectives d’application. La fonctionnalisation des composites CFRC implique de nombreux travaux de recherche qui se heurtent à une problématique de la décohésion du dépôt de surface en raison de la faible adhérence CFRC-dépôt, car les deux parties étant respectivement en polymère et en métal. Ce problème est un verrou scientifique. L’objectif de ce travail de thèse est alors de mettre au point une solution de fonctionnalisation de surface d’un composite CFRC par une technique de métallisation par collision à haute vitesse. Une partie des travaux effectués consiste à développer une structure composite hybride constituée d’une structure CFRC et d’une sous-couche composée d’une phase métallique et d’une phase polymère calibrée pour compatibiliser la structure CFRC et la technique de métallisation par projection à froid.Une partie de ce travail de thèse est consacrée à l’élaboration d’un système hybride CFRC/sous-couche biphasique superficielle en polymère/métal. Le procédé d’infusion sous vide a été mis en œuvre pour la polymérisation de ce système. La sous-couche biphasique consiste en un mélange de poudre micrométrique métallique avec de la résine thermodurcissable (époxy) ou thermoplastique (poly méthacrylate de méthyle) à différentes concentrations, permettant de produire des sous-couches de type TS-Al, TS-Cu, ou TP-Cu directement intégrées à la surface de la structure CFRC. Des essais de métallisation de ces sous-couches par projection à froid ont ensuite été réalisés, en utilisant le système de projection à basse pression Dymet 423. Des poudres de cuivre, d’aluminium, de zinc et d’étain sont choisies comme matériau de métallisation en raison de leur bonne conductivité électrique et thermique. Des poudres composites constituées d’un mélange métal/alumine ont aussi été considérées pour améliorer la formation de revêtement en tirant profit de l’effet de martelage produit par les particules d’alumine. Un revêtement (Sn + Al2O3) d’une épaisseur de 60 µm a été obtenu sur la sous-couche TS-Cu, démontrant en cela la faisabilité d’une métallisation d’une structure CFRC via la sous-couche biphasique, par projection à basse pression.Une autre partie de cette thèse porte sur une analyse phénoménologique de la réponse mécanique de la sous-couche biphasique TS en utilisant la simulation numérique. La collision à haute vitesse endommage la sous-couche à matrice thermodurcissable qui se fragmente sous l’effet de la contrainte de collision. Ce phénomène explique la difficulté de formation de revêtement sur la sous-couche à base de polymère thermodurcissable. Afin d’identifier des matériaux polymères appropriés pour une bonne tenue mécanique de la sous-couche pendant la collision à haute vitesse, une simulation sur des substrats thermoplastiques (TP et TP-Cu) a été étudiée. Les résultats montrent une pénétration des particules de Cu projetées, dans le substrat TP, en formant en cela une adhésion métal/résine par ancrage mécanique. Les particules de Cu constituant la sous-couche permettent de favoriser la déformation plastique des particules de Cu projetées, et ensuite la formation d’un revêtement. Ce constat a permis d’élaborer des essais expérimentaux de projection à froid à haute pression pour métalliser des substrats à base de matrice TP. Il en résulte une formation de revêtement pour différentes poudres (Cu sphérique, Cu dendritique, Cu + Al2O3). Le revêtement obtenu peut atteindre une épaisseur de 95 µm, 231 µm et 114 µm respectivement. Ces résultats démontrent bien la faisabilité d’une métallisation d’une structure CFRC via une sous-couche biphasique TP et une technique additive par projection à froid à haute pression
Carbon fiber reinforced composites (CFRC) have been successfully developed since decades as efficient and lightweight materials for various innovative applications and mostly for transport applications. Due to the low electrical conductivity of the polymer matrix of CFRCs, a better functionalization of such materials, such as developing a metallic coating on the CFRC structure of an aircraft, brings added values that contribute to a longer life and new performances such as the lightning strike protection (LSP) performance. The major objective of this PhD research program is to improve the metallization of a CFRC substrate by a new approach that focuses on the development of a hybrid layered structure made of CFRC and a biphasic sublayer embedded onto the top surface of this structure, prior to a cold spray metallization. To achieve this objective, the research works rely on an experimental task and a computational analysis which can be divided into three significant contributions:The first experimental part focuses on the development of a biphasic sublayer in between the CFRC substrate and the metal coating. This sublayer consists of a mixture of a polymer (Thermoset Epoxy, Thermoplastic Polymethyl methacrylate) with a micron sized metal powder (Al, Cu). The vacuum assisted resin infusion process is used to produce the hybrid CFRC with the biphasic sublayer on its top face. Prior to the cold spray metallization, the thermo-physical properties of the hybrid CFRCs/biphasic sublayer are characterized using a differential scanning calorimetry (DSC) analysis and a thermal conductivity measurement. The mechanical properties of the hybrid CFRC system are characterized by means of mechanical testing (impact test, tensile test, three-point flexural test, lap-shear adhesion test).The second part of this PhD work investigates the metallization of the hybrid system CFRC/biphasic sublayer using the low-pressure cold spray Dymet 423 system. Copper, aluminum, zinc, and tin powders are used as coating material due to their good electrical and thermal conductivity. Powder mixtures made of these metals and alumina powders (Al2O3) are considered as other potential materials for the cold spray metallization of the biphasic sublayer/CFRC system. An embedment of the cold spray powders onto the biphasic sublayer is found to ease the coating formation, except for the Cu cold spray powder. A continuous 60 μm thick coating of Sn+Al2O3 is obtained onto the biphasic TS-Cu sublayer, that shows the feasibility of surface functionalization of CFRC via a biphasic sublayer and a low-pressure cold spraying.The third part of this PhD work focuses on a phenomenological analysis of the mechanical response of the TS biphasic sublayer during the high-speed collision of the cold spray process. This part aims to depict further improvements through a computational analysis. The erosion issue of the epoxy matrix of the sublayer is found to govern the unsuccessful coating formation onto the thermoset sublayer. Therefore, to find out suitable biphasic polymer materials, a simulation of a Cu powder collision onto thermoplastic media (TP and TP-Cu) has been investigated, that shows a good embedment of the Cu powder onto the TP substrate via a mechanical interlocking (metal-to-resin bonding). The copper particles of the biphasic TP-Cu sublayer enable to promote a plastic deformation of the sprayed Cu particles and is conducive to a bonding formation and coating growth. Finally, to provide a proof of concept, experimental HPCS metallization onto biphasic sublayers made of a TP matrix are performed. A continuous coating formation of spherical Cu, dendritic Cu, and Cu+Al2O3 is obtained onto TP-Cu sublayer, with a thickness of 95 µm, 231 µm, and 114 μm respectively. Thereby, the feasibility of the metallization of CFRC via a TP biphasic sublayer and a high-pressure cold spray deposition has been demonstrated

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Bücher zum Thema "Biphasic metal"

D, Rogers Robin, Eiteman Mark A und American Chemical Society Meeting, Hrsg. Aqueous biphasic separations: Biomolecules to metal ions. New York: Plenum Press, 1995.

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Rogers, Robin D., und M. A. Eiteman. Aqueous Biphasic Separations. Springer, 2012.

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(Editor), Robin D. Rogers, und M. A. Eiteman (Editor), Hrsg. Aqueous Biphasic Separations: Biomolecules to Metal Ions. Springer, 1995.

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Eiteman, M. A., und Robin D. Rogers. Aqueous Biphasic Separations: Biomolecules to Metal Ions. Springer London, Limited, 2012.

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Aqueous Biphasic Separations: Biomolecules to Metal Ions. Springer, 2011.

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Buchteile zum Thema "Biphasic metal"

Mathison, Clare R., und David J. Cole-Hamilton. „Fluorous Biphasic Catalysis“. In Catalysis by Metal Complexes, 145–81. Dordrecht: Springer Netherlands, 2006. http://dx.doi.org/10.1007/1-4020-4087-3_6.

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Wiebus, Ernst, und Boy Cornils. „Biphasic Systems: Water — Organic“. In Catalysis by Metal Complexes, 105–43. Dordrecht: Springer Netherlands, 2006. http://dx.doi.org/10.1007/1-4020-4087-3_5.

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Rogers, Robin D., Andrew H. Bond, Cary B. Bauer, Jianhua Zhang, Mary L. Jezl, Debra M. Roden, Scott D. Rein und Richard R. Chomko. „Metal Ion Separations in Polyethylene Glycol-Based Aqueous Biphasic Systems“. In Aqueous Biphasic Separations, 1–20. Boston, MA: Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-1953-9_1.

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Spivakov, Boris Ya, Tatjana I. Nifant’eva und Valery M. Shkinev. „Metal Extraction in Two-Phase Water-Poly(Ethylene Glycol)-Salt Systems“. In Aqueous Biphasic Separations, 83–90. Boston, MA: Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-1953-9_7.

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Guzmán, Roberto, und Carlos M. Téllez. „Affinity Partitioning of Metal Ions in Aqueous Biphasic Systems: Experimental and Theoretical Aspects“. In Aqueous Biphasic Separations, 101–17. Boston, MA: Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-1953-9_9.

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Grushin, Vladimir, und Howard Alper. „Recent Developments in Metal Catalyzed Biphasic Reactions“. In Aqueous Organometallic Chemistry and Catalysis, 81–95. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0355-8_7.

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Huddleston, Jonathan G., Scott T. Griffin, Jinhua Zhang, Heather D. Willauer und Robin D. Rogers. „Metal Ion Separations in Aqueous Biphasic Systems and Using Aqueous Biphasic Extraction Chromatography“. In ACS Symposium Series, 79–100. Washington, DC: American Chemical Society, 1999. http://dx.doi.org/10.1021/bk-1999-0716.ch005.

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Naik, Prashant U., Carrie Lee Trider, Jeff Farrell und Robert D. Singer. „Ionic Liquid Complexes for Metal Extractions and Biphasic Catalysis“. In ACS Symposium Series, 239–53. Washington DC: American Chemical Society, 2009. http://dx.doi.org/10.1021/bk-2009-1030.ch017.

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Ali, Sk Musharaf, Anil Boda, Ashish Kumar Singha Deb und Pooja Sahu. „Computational Chemistry Assisted Simulation for Metal Ion Separation in the Aqueous-Organic Biphasic Systems“. In Aqueous Phase Adsorption, 69–110. Boca Raton : Taylor & Francis, CRC Press, 2019.: CRC Press, 2018. http://dx.doi.org/10.1201/9781351272520-3.

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Manoury, Eric, Florence Gayet, Franck D’Agosto, Muriel Lansalot, Henri Delmas, Carine Julcour, Jean-François Blanco, Laurie Barthe und Rinaldo Poli. „Core-Cross-Linked Micelles and Amphiphilic Nanogels as Unimolecular Nanoreactors for Micellar-Type, Metal-Based Aqueous Biphasic Catalysis“. In Effects of Nanoconﬁnement on Catalysis, 147–72. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-50207-6_7.

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Konferenzberichte zum Thema "Biphasic metal"

Manda, Krishnagoud, und Anders Eriksson. „Simulating Metal Implants in Full Thickness Cartilage Defects“. In ASME 2011 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2011. http://dx.doi.org/10.1115/sbc2011-53235.

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Damage or degeneration in the articular cartilage is a major problem that affects millions of people in the world. The biomechanical forces at a site of damage in the cartilage may make the tissue more susceptible to continued long-term degeneration. Various biological treatments are currently available, but all have drawbacks. Alternatively, a contoured articular resurfacing implant is developed to offer a treatment to such full thickness chondral defects [1,3,4]. The main goal of using metal implants, to fill the degenerated portion of the cartilage, is to seal the surrounding cartilage so that further damage can be prevented, and to re-establish the integrity of the joint articulating surface. Many researchers have studied the safety, feasibility and reliability of the metal implants in animal models from a biological point of view [3,4]. They showed promising results. Till date, the mechanical behavior of cartilages surrounding the implant has not been studied, even in animal models. It is essential to understand the time dependent behavior of the cartilages due to biphasic nature of cartilage. Any protrusion of metal implant into the joint cavity damages the opposing soft tissue [1]. In order to avoid this, the positioning of implant together with the behavior of the cartilages immediately surrounding the implant have to be studied.

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Zhang, Martin Y., und Gary J. Cheng. „Laser Coating of HAp/Ti Nanoparticles on Metal Implants: Interfacial Bonding Strength, Chemical Analysis and Biocompatibility“. In ASME 2010 International Manufacturing Science and Engineering Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/msec2010-34295.

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In this paper, laser coating of hydroxyapatite (HAp) and Ti nanoparticles on Ti-6Al-4V implants was developed. An Nd:YAG laser was used to coat multilayers of HAp and Ti nanoparticles on implants. This coating process has the following advantages: (1) low temperature coating of nanoscale HAp is realized due to good sinterability of titanium nanoparticles; (2) high interfacial strength between layer and substrate because of the functional multilayer coating; (3) HAp nanoparticles provide better biocompability than micro-particles; (4) biphasic calcium phosphate (BCP) could be introduced, which has been reported to have excellent biocompatibility. In order to achieve these goals, careful selection of laser processing parameters is required. A multiphysics model is built and validated with experiments. This model is employed to determine the appropriate laser processing conditions. After laser processing, the features of the coated samples were characterized, including microstructures, chemical compositions, surface roughness, structure porosity and interfacial bonding strength. Qualitative cell culture studies with osteoblast-like UMR-105 cells were carried out to reveal the biocompatibility of so-coated implants. It is found that multilayer laser coated nanoHAp/Ti implants has beneficial biocompatibility, surface roughness, maintained chemical composition, porous microstructure and strong coating/substrate interfacial strength.

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Dascaliuc, Alexandru. „Hormesis, screening and practical use of biostimulators in agriculture“. In International Scientific Symposium "Plant Protection – Achievements and Prospects". Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2020. http://dx.doi.org/10.53040/9789975347204.44.

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The term hormesis describes the biphasic response of any biological system to increasing the dose of the stress factor of a different nature, characterized in that low doses have stimulating, beneficial effects. In contrast, high doses cause harmful, inhibitory effects. The hormonal response is practically universal, being stimulated by the action of toxic substances, heavy metal ions, hormones, including physical factors. The standard type of response to different factors suggests installing these evolving mechanisms, so they are of particular interest in elucidating plant adaptation mechanisms to various stressors, including developing screening methods and practical use of biostimulators. The practical use of hormesis principles was the theoretical basis for elaboration and rational use of the biostimulator Reglalg in agriculture.

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Nevskii, Sergey A., Vladimir D. Sarychev, Elena Martusevich, Sergey V. Konovalov, Victor E. Gromov und Alexei Granovskii. „Biphase model of electroplastic deformation metals“. In PHYSICAL MESOMECHANICS OF CONDENSED MATTER: Physical Principles of Multiscale Structure Formation and the Mechanisms of Nonlinear Behavior: MESO2022. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0163399.

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Kumar, D., N. Sudhir, S. Yarmolenko, Q. Wei, J. Sankar, J. Narayan und S. J. Pennycook. „Synthesis and Characterization of Metal-Ceramic Thin Film Nanocomposites With Improved Mechanical Properties“. In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-39370.

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Thin films composite materials consisting of metallic nanocrystals embedded in an insulator host have been synthesized using alternating-target pulsed laser deposition of Fe/Ni and Al2O3. The evaluation of structural quality of the thin film composites using high resolution transmission electron microscopy and scanning transmission electron microscopy with atomic number contrast has revealed the formation of a biphase system with thermodynamically driven segregation of Ni and alumina during pulsed laser deposition. The best hardness values of the thin film composites, measured using nanoindentation techniques, was found to 20–30% larger than pure alumina films fabricated under identical conditions. The improvement in values of hardness of Al2O3 thin films by embedding metal nanocrystals is related to the evolution of a microstructure which efficiently hinders the manipulation and movement of dislocation and the growth of microcracks, which in turn, is achieved by grain boundary hardening.

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Berichte der Organisationen zum Thema "Biphasic metal"

Chaiko, D. J., B. Zaslavsky, A. N. Rollins, Y. Vojta, J. Gartelmann und W. Mego. Metal separations using aqueous biphasic partitioning systems. Office of Scientific and Technical Information (OSTI), Mai 1996. http://dx.doi.org/10.2172/231396.

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