Literatura académica sobre el tema "Micelas inversas"

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Artículos de revistas sobre el tema "Micelas inversas"

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Berthod, Alain, Jun Xiang, Serge Alex, and Colette Gonnet-Collet. "Chromatographie à contre courant et micelles inverses pour la séparation et l'extraction de cations métalliques." Canadian Journal of Chemistry 74, no. 2 (1996): 277–86. http://dx.doi.org/10.1139/v96-031.

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Countercurrent chromatography (CCC) is a separation technique in which the stationary phase is a liquid. Diethylhexyl phosphoric acid (DEHPA) forms reverse micelles in heptane. Metallic ions, located in an aqueous phase, can be extracted into the aqueous core of the reverse micelles in the heptane phase. A CCC apparatus can be considered as a powerful mixing and extracting machine with efficiency above several hundreds of theoretical plates. La3+, Ce3+, Pr3+, and Nd3+ lanthanide cations were separated using CCC with a DEHPA-containing heptane stationary phase. Studying the retention variations
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Andriamanampisoa, R., B. Boyer, G. Lamaty, and J. P. Roque. "Hydrolyse enantioselective d'esters d'aminoacide catalysee par l'imidazole dans des micelles inverses chirales." Tetrahedron 43, no. 1 (1987): 77–84. http://dx.doi.org/10.1016/s0040-4020(01)89932-4.

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Chen, J. P., C. M. Sorensen, K. J. Klabunde, and G. C. Hadjipanayis. "Magnetic properties of nanophase cobalt particles synthesized in inversed micelles." Journal of Applied Physics 76, no. 10 (1994): 6316–18. http://dx.doi.org/10.1063/1.358280.

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Boyer, G., G. Lamaty, T. Makhlouf, and J. P. Roque. "Réactivité dans les micelles inverses : changement de mécanisme dans l’hydrolyse acido-catalysée des ortho-esters." Journal de Chimie Physique 86 (1989): 2201–14. http://dx.doi.org/10.1051/jcp/1989862201.

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Nagano, Shusaku, Tetsuya Kinumatsu, Yuki Ohnuma, and Takahiro Seki. ""Inversed" Surface Micelle Array Fabrication of an Amphiphilic Block Copolymer on Water Surface." Journal of Nanoscience and Nanotechnology 11, no. 4 (2011): 2973–78. http://dx.doi.org/10.1166/jnn.2011.3896.

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Kim, Gil Pyo, Seung Bum Yoon, Young Soo Jung, et al. "Fabrication of Nanoparticles Supported on Metal Oxides by PS-PVP Block Copolymer Encapsulation Method." Solid State Phenomena 119 (January 2007): 17–20. http://dx.doi.org/10.4028/www.scientific.net/ssp.119.17.

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Nanoparticles (Au, Pt, Ru) supported on metal oxides (TiO2, Heteropoly Acid) were prepared by PS-PVP block copolymer encapsulation method. It was confirmed by XPS analysis that the oxidation state of metal is 0 after calcination, which indicates the complete removal of polymer. Synthesized catalysts were characterized by TEM, SEM-EDS, and UV-VIS spectroscopy and it was observed that synthesis and calcination conditions, and the interaction between nanoparticle and metal oxide affected significantly the particle size of metal on the surface of metal oxide. When two different metal precursors we
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Lee, Min Young, Seung Ho Kim, Jong Tae Kim, Sok Won Kim, and Kwon Taek Lim. "Ordering Transitions of Semifluorinated Diblock Copolymers." Journal of Nanoscience and Nanotechnology 8, no. 9 (2008): 4864–68. http://dx.doi.org/10.1166/jnn.2008.ic51.

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A series of diblock copolymers consisting of a hydrophilic polyethylene oxide (PEO) and a hydrophobic poly(1H,1H-dihydroperfluorooctyl methacrylate) (PDHFOMA) block were synthesized with different chain lengths for application to self-assembled nanopatterning structures. The morphology of poly(DHFOMA5k-b-EO5k), poly(DHFOMA10k-b-EO10k), and poly(DHFOMA20k-b-EO20k) spin cast from micellar solution in chloroform at room temperature were spherical with average diameter of 12 nm, 17 nm and 26 nm, respectively by TEM analysis. The spherical structures were reorganized to different shapes with thermo
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Rahmawati, Fitria, Indah Rizki Fitriani, and Abu Masykur. "REVERSE MICROEMULSION OF IGEPAL Co-720 SYSTEM AS MICROREACTOR FOR CdS SYNTHESIS." ALCHEMY Jurnal Penelitian Kimia 10, no. 2 (2016): 157. http://dx.doi.org/10.20961/alchemy.10.2.538.157-172.

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<p>A Research on CdS synthesis in reverse microemulsion of Igepal CO-720 system has been conducted at various weight ratio of water to surfactant. Igepal CO-720 naturally forms oil in water (o/w) emulsion type due to its high HLB (Hydrophilic -Lipophilic Balance) value. Therefore, in this research the Igepal CO-720 system was inversed into water in oil (w/o) system before it was used as microreactor for CdS synthesis. As comparison, a system of AOT (Aerosol OT; sodium bis (2-ethylhexyl) sulfosuccinate) which is naturally w/o system was also used as microreactor for CdS synthesis. The pre
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Rahmawati, Fitria, Indah Rizki Fitriani, and Abu Masykur. "REVERSE MICROEMULSION OF IGEPAL Co-720 SYSTEM AS MICROREACTOR FOR CdS SYNTHESIS." ALCHEMY Jurnal Penelitian Kimia 10, no. 2 (2016): 157. http://dx.doi.org/10.20961/alchemy.v10i2.538.

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<p>A Research on CdS synthesis in reverse microemulsion of Igepal CO-720 system has been conducted at various weight ratio of water to surfactant. Igepal CO-720 naturally forms oil in water (o/w) emulsion type due to its high HLB (Hydrophilic -Lipophilic Balance) value. Therefore, in this research the Igepal CO-720 system was inversed into water in oil (w/o) system before it was used as microreactor for CdS synthesis. As comparison, a system of AOT (Aerosol OT; sodium bis (2-ethylhexyl) sulfosuccinate) which is naturally w/o system was also used as microreactor for CdS synthesis. The pre
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Qin, Guanghui, Jian Liu, Yong Xue, et al. "Enhanced stability of antimicrobial bamboo fiber by launching ultra fine silver particles in a sodium dodecyl sulfate microemulsion system." Textile Research Journal 87, no. 20 (2016): 2505–12. http://dx.doi.org/10.1177/0040517516673329.

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Currently, the antimicrobial textile market is emerging and has rapidly developed to meet the inherent demands placed on public hygiene. Silver (Ag) is an efficient antimicrobial due to its direct function with the cellular membrane of probe samples. The application of Ag in the textile industry is limited due to its poor stability in repeatedly washing. In this study we synthesized a kind of novel antibacterial fiber containing nano-size silver particles in a reversed emulsion reaction system. The Ag nano-particles are incorporated onto the bamboo fibers solidly through primitive oxidation by
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Tesis sobre el tema "Micelas inversas"

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Gomes, Washington Charles de Macedo. "Aplica??o da espectroscopia de absor??o de raios X no estudo do comportamento do ?on Cu2+ em micelas inversas." Universidade Federal do Rio Grande do Norte, 2009. http://repositorio.ufrn.br:8080/jspui/handle/123456789/17615.

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Made available in DSpace on 2014-12-17T15:41:47Z (GMT). No. of bitstreams: 1 WashingtonCMGpdf.pdf: 1072479 bytes, checksum: d37434aed1d2ae898ee7a9fd3701e0d7 (MD5) Previous issue date: 2009-04-29<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>This work deals with the application of X-Ray Absorption Spectroscopy on the study of the behavior of Cu2+ ions in inverse micelles. The formation of copper nanoparticles in water-in-oil microemulsions in pseudo-ternary systems of cetyl trimethylammonium Bromide (CTAB) surfactant, butanol co-surfactant, heptane as oil phase and aqueous
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Brochette, Pascal. "Réactivité en micelles inverses." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb376034664.

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Brochette, Pascal. "Reactivite en micelles inverses." Paris 6, 1987. http://www.theses.fr/1987PA066087.

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En utilisant l'electron hydrate comme sonde intramicellaire, etude du comportement de l'eau au sein des microphases aqueuses, et du transfert d'electron de la chlorophylle vers des viologenes dans la microemulsion
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Robert, Stéphane. "Acylation de protéines en micelles inverses." Compiègne, 1995. http://www.theses.fr/1995COMP836S.

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Dans le but de greffer une ou deux chaînes d'acides gras à des protéines hydrophiles afin de leur conférer une capacité d'interaction avec les membranes (et plus largement d'étudier le phénomène de l'acylation naturelle des protéines), un système micellaire de surfactant dans un solvant organique apolaire a été utilisé comme milieu de réaction pour la modification protéique par des réactifs lipophiles comme les chlorures d'acides gras. Le degré d'hydratation du surfactant qui gouverne la taille des micelles inverses, et d'autres paramètres tels que le pH du compartiment aqueux, la quantité de
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JOLIVALT, MACKOWIAK CLAUDE. "Extraction des proteines par micelles inverses." Paris, ENMP, 1991. http://www.theses.fr/1991ENMP0282.

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L'extraction par micelles inverses est un procede biphasique d'extraction; la phase aqueuse contenant la proteine a extraire est contactee avec une phase organique immiscible. A l'equilibre, la proteine se partage entre la phase aqueuse et la phase organique. Dans la phase organique, la proteine est solubilisee dans le cur aqueux des micelles inverses qui sont entourees d'une coquille de molecules de tensioactif. Ce travail, a caractere essentiellement experimental, s'est focalise sur l'etude de systemes differents. On a montre que l'alpha chymotrypsine pouvait etre extraite a 90% dans des sys
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Kalfat, Rafik. "Etude de la réactivité dans les micelles inverses phénomènes catalytiques des réactions d'hydrolyse, stabiblité des micelles inverses de dioctylsulfosuccinate de sodium." Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb37598622z.

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Bardez, Elisabeth. "Relation entre structure et réactivité acido-basique de l'eau incluse dans les micelles inverses." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb376026026.

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Petit, Christophe. "Relation entre structure et réactivité en micelles inverses d'AOT." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37617448c.

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Petit, Christophe. "Relation entre structure et reactivite en micelles inverses d'aot." Paris 6, 1988. http://www.theses.fr/1988PA066473.

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Les micelles inverses d'aerosol ot sont des muroemulsions eau/huile dont la taille est controlee par la quantite d'eau solubilisee. La solubilisation des petites molecules ainsi que des petites proteines entrainent des perturbations dans la structure et la reactivite. Un modele de localisation des sondes en micelle est propose a partir des mesures de structure, par diffusion des rayons x, et de reactivite par radiolyse pulse. De plus, une synthese in situ des semiconducteurs en micelle inverse est exposee
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PITRE, FRANCK. "L'alpha-chymotrypsine et ses derives hydrophobes en micelles inverses." Paris 6, 1993. http://www.theses.fr/1993PA066206.

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Nous avons montre que la chymotrypsine, enzyme non membranaire, se localise au cur de la micelle inverse et qu'elle ne modifie pas le potentiel d'interaction intermicellaire. Afin de transformer la chymotrypsine en une enzyme membranaire, nous avons fixe chimiquement des molecules hydrophobes sur sa surface. La chymotrypsine ainsi modifiee est en contact avec la surface de la micelle inverse hote. Mais contrairement aux proteines peripheriques membranaires qui interagissent electrostatiquement avec les molecules tensioactives, le potentiel d'interaction intermicellaire n'est pas modifie.
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Más fuentes

Libros sobre el tema "Micelas inversas"

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Thomas, Ulrich. Zeitaufgelöste Untersuchungen zur Bildung und Rekombination geminaler Radikalpaare in inversen Mizellen: Ein Beitrag zum Verständnis von Magnetfeldeffekten in der chemischen Kinetik. Hartung-Gorre, 1986.

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Felsted, William Ney. Production of ceramic particles in inverse micelles. 1990.

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Biomolecules in organic solvents. CRC Press, 1992.

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Capítulos de libros sobre el tema "Micelas inversas"

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Seddon, John, and John Robins. "Inverse Micellar Lyotropic Cubic Phases." In Foams and Emulsions. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-015-9157-7_25.

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Seddon, J. M., and E. A. Bartle. "Inverse Micellar Cubic Phases of Lipids." In Springer Proceedings in Physics. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-84763-9_50.

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Kondo, Minako, Ismael A. Heisler, and Stephen R. Meech. "Reactive Dynamics in Nanoscale Water droplets Confined in Inverse Micelles." In Springer Series in Chemical Physics. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-95946-5_101.

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RAVEY, J. C., and M. BUZIER. "Influence of Temperature on the Structures of Inverse Nonionic Micelles and Microemulsions." In ACS Symposium Series. American Chemical Society, 1985. http://dx.doi.org/10.1021/bk-1985-0272.ch016.

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Nóbrega, Geraldine Angélica Silva da, Diego Angelo de Araújo Gomes, Mylla Monteiro Albuquerque, Cintia Mara de Souza, Geronillane Valentim, and Ingridy Cardoso Campelo. "Investigação sobre a condutividade e comportamento de fases de hidrocarboneto/tensoativos não iônicos/água sob a forma de micelas inversas." In Processos Químicos e Biotecnológicos – Volume 7. Editora Poisson, 2021. http://dx.doi.org/10.36229/978-65-5866-059-0.cap.02.

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Actas de conferencias sobre el tema "Micelas inversas"

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Barz, Dominik P. J., Michael J. Vogel, and Paul H. Steen. "Generation of Electrokinetic Flow in a Doped Non-Polar Liquid." In ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels collocated with 3rd Joint US-European Fluids Engineering Summer Meeting. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30258.

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The presence of considerable amounts of free charge dispersed in a liquid is the basis for electrokinetic phenomena which are related to the existence of an electrical double layer (EDL). In polar liquids, the dissociation of electrolytes into ionic species is well understood and numerous electrokinetic phenomena are known; a good overview is given by e.g. Delgado et al. [1]. In nonpolar liquids it is known that electrical charges can exist as well. The presence of these electrical charges is utilized, for example, in colloid science to stabilize particle suspensions [2]. For this purpose, sur
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Chen, Huaxing, Yufei Wang, Ming Pang, et al. "Research on Plugging Mechanism and Optimisation of Plug Removal Measure of Polymer Flooding Response Well in Bohai Oilfield." In International Petroleum Technology Conference. IPTC, 2021. http://dx.doi.org/10.2523/iptc-21271-ms.

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Abstract Since the field test of polymer flooding technology was carried out in the Bohai Oilfield in 2003, problems such as plugging of polymer-response wells have become increasingly worse, and conventional acidizing and plugging removal measures have had poor results. Therefore, this paper carries out research to provide a basis for effective plug removal in oil wells, to improve the productivity of polymer flooding oil wells. In this paper, the component analysis of the plug samples from the benefit injection wells in the field was carried out. The clogging mechanism was studied through X-
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Informes sobre el tema "Micelas inversas"

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Hampden-Smith, M., J. S. Kawola, A. Martino, A. G. Sault, and S. A. Yamanaka. Highly Dispersed Pseudo-Homogeneous and Heterogeneous Catalysts Synthesized via Inverse Micelle Solutions for the Liquefaction of Coal. Office of Scientific and Technical Information (OSTI), 1999. http://dx.doi.org/10.2172/2606.

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